SXCN10 CWTO 250630
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 06:26
SXCN10 CWTO 250730
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 07:21
SXCN10 CWTO 250830
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 08:26
SXCN10 CWTO 250930
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 09:21
SXCN10 CWTO 251030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 10:28
SXCN10 CWTO 251130
PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:48 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3

   DAILY MEANS   11    4.895     321.6            16.3
   STANDARD DEVIATION              0.0             0.0
                             1 / 1


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:48 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:33:00    11     88.335      11.391    0.0     294.0   6.0      37
 10:52:01    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:34    11     81.213       5.769    0.1     339.0   5.0      32

DAILY MEANS  11                  8.503            324.3            33
STANDARD DEVIATION                                 26.3             4
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 11:27
SXCN10 CWTO 251230
PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:48 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3

   DAILY MEANS   11    3.849     332.5             6.0
   STANDARD DEVIATION              5.4             6.0
                             6 / 6


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:48 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:33:00    11     88.335      11.391    0.0     294.0   6.0      37
 10:52:01    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:34    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:49    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:04    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36

DAILY MEANS  11                  5.727            325.1            34
STANDARD DEVIATION                                 16.0             3
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 12:29
SXCN10 CWTO 251330
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:47 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1

   DAILY MEANS   11    1.965     316.2             6.8
   STANDARD DEVIATION              0.0             0.0
                             1 / 1


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:47 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3

   DAILY MEANS   11    3.207     333.0             3.4
   STANDARD DEVIATION              4.1             5.6
                             10 / 10


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:47 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:59    11     88.335      11.391    0.0     294.0   6.0      37
 10:52:00    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:33    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:48    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:03    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:19    11     58.282       1.885    0.5     332.0   1.0      22

DAILY MEANS  11                  4.441            324.7            33
STANDARD DEVIATION                                 12.8             5
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 13:29
SXCN10 CWTO 251430
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:47 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1

   DAILY MEANS   11    1.965     316.2             6.8
   STANDARD DEVIATION              0.0             0.0
                             1 / 1


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:47 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3

   DAILY MEANS   11    2.762     335.3             3.4
   STANDARD DEVIATION              5.2             4.7
                             14 / 14


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:47 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:59    11     88.335      11.391    0.0     294.0   6.0      37
 10:52:00    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:33    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:48    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:03    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:19    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:13    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32

DAILY MEANS  11                  3.690            327.8            32
STANDARD DEVIATION                                 13.1             5
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 14:29
SXCN10 CWTO 251530
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1

   DAILY MEANS   11    1.965     316.2             6.8
   STANDARD DEVIATION              0.0             0.0
                             1 / 1


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0

   DAILY MEANS   11    2.451     339.6             4.2
   STANDARD DEVIATION              9.5             4.4
                             18 / 18


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:46 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:58    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:59    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:32    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:47    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:02    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:18    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:12    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:27    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:23    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26

DAILY MEANS  11                  3.304            333.4            30
STANDARD DEVIATION                                 19.3             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 15:29
SXCN10 CWTO 251630
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1

   DAILY MEANS   12    1.394     340.6             9.2
   STANDARD DEVIATION             16.4             2.0
                             4 / 4


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3

   DAILY MEANS   11    2.275     341.1             4.5
   STANDARD DEVIATION              9.7             4.1
                             21 / 21


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:46 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:58    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:59    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:32    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:47    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:02    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:18    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:12    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:27    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:23    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:42    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26

DAILY MEANS  11                  2.926            335.6            30
STANDARD DEVIATION                                 18.8             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 16:29
SXCN10 CWTO 251730
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0

   DAILY MEANS   12    1.347     341.8             8.9
   STANDARD DEVIATION             14.4             1.9
                             5 / 5


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:46 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6

   DAILY MEANS   11    2.097     342.2             4.5
   STANDARD DEVIATION              9.2             3.8
                             25 / 25


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:46 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:58    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:59    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:32    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:47    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:02    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:18    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:12    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:27    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:23    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:42    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40

DAILY MEANS  11                  2.655            337.2            31
STANDARD DEVIATION                                 17.7             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 17:29
SXCN10 CWTO 251830
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:45 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0
DS 0  17:40:38   13    1.163     345.1     3.5     7.6     1.2

   DAILY MEANS   12    1.317     342.3             8.7
   STANDARD DEVIATION             13.0             1.7
                             6 / 6


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:45 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6
ZS 1  17:30:53   13    1.160     348.2     2.3     3.4     0.8
ZS 1  17:44:48   13    1.165     348.6     1.4     3.6     0.6
ZS 1  17:58:09   13    1.174     350.2     1.7     3.5     0.3
ZS 1  18:12:04   13    1.186     355.1     2.0     5.0     0.8

   DAILY MEANS   11    1.970     343.4             4.5
   STANDARD DEVIATION              9.1             3.5
                             29 / 29


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:45 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:57    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:58    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:31    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:46    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:01    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:17    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:11    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:26    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:22    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:41    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40
 17:34:51    13     30.629       1.161    2.6     363.0   1.0      39
 17:48:46    13     31.165       1.167    2.4     353.0   1.0      37
 18:02:07    13     31.932       1.177    2.2     331.0   1.0      33
 18:16:02    13     32.978       1.190    1.9     342.0   1.0      29

DAILY MEANS  11                  2.457            338.5            31
STANDARD DEVIATION                                 17.4             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 18:29
SXCN10 CWTO 251930
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:45 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0
DS 0  17:40:38   13    1.163     345.1     3.5     7.6     1.2

   DAILY MEANS   12    1.317     342.3             8.7
   STANDARD DEVIATION             13.0             1.7
                             6 / 6


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:45 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6
ZS 1  17:30:53   13    1.160     348.2     2.3     3.4     0.8
ZS 1  17:44:48   13    1.165     348.6     1.4     3.6     0.6
ZS 1  17:58:09   13    1.174     350.2     1.7     3.5     0.3
ZS 1  18:12:04   13    1.186     355.1     2.0     5.0     0.8
ZS 1  18:32:25   13    1.211     359.2     1.8     4.7     0.5
ZS 1  18:46:21   14    1.234     359.8     1.2     5.0     0.5
ZS 1  19:00:22   14    1.261     357.1     2.2     4.7     0.8
ZS 1  19:14:17   14    1.293     355.9     1.2     3.7     0.6

   DAILY MEANS   12    1.882     345.1             4.5
   STANDARD DEVIATION              9.8             3.3
                             33 / 33


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:45 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:57    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:58    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:31    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:46    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:01    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:17    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:11    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:26    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:22    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:41    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40
 17:34:51    13     30.629       1.161    2.6     363.0   1.0      39
 17:48:46    13     31.165       1.167    2.4     353.0   1.0      37
 18:02:07    13     31.932       1.177    2.2     331.0   1.0      33
 18:16:02    13     32.978       1.190    1.9     342.0   1.0      29
 18:36:23    13     34.908       1.217    1.9     364.0   1.0      32
 18:50:20    14     36.470       1.241    1.7     359.0   1.0      30
 19:04:19    14     38.202       1.270    1.3     353.0   1.0      25
 19:18:16    14     40.073       1.304    1.4     349.0   1.0      28

DAILY MEANS  12                  2.316            340.6            31
STANDARD DEVIATION                                 17.4             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 19:29
SXCN10 CWTO 252030
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:44 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0
DS 0  17:40:38   13    1.163     345.1     3.5     7.6     1.2
DS 0  19:44:25   14    1.383     356.2     3.1     7.4     1.6

   DAILY MEANS   12    1.326     344.3             8.5
   STANDARD DEVIATION             13.0             1.7
                             7 / 7


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:44 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6
ZS 1  17:30:53   13    1.160     348.2     2.3     3.4     0.8
ZS 1  17:44:48   13    1.165     348.6     1.4     3.6     0.6
ZS 1  17:58:09   13    1.174     350.2     1.7     3.5     0.3
ZS 1  18:12:04   13    1.186     355.1     2.0     5.0     0.8
ZS 1  18:32:25   13    1.211     359.2     1.8     4.7     0.5
ZS 1  18:46:21   14    1.234     359.8     1.2     5.0     0.5
ZS 1  19:00:22   14    1.261     357.1     2.2     4.7     0.8
ZS 1  19:14:17   14    1.293     355.9     1.2     3.7     0.6
ZS 1  19:34:38   14    1.351     363.5     2.3     4.6     1.1
ZS 1  19:48:35   14    1.398     356.7     2.3     2.8     0.9
ZS 1  20:02:32   14    1.453     354.0     0.6     1.9     0.5
ZS 1  20:16:29   14    1.517     355.5     1.9     1.4     0.7

   DAILY MEANS   12    1.833     346.5             4.3
   STANDARD DEVIATION             10.1             3.2
                             37 / 37


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:44 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:56    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:57    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:30    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:45    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:00    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:16    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:10    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:25    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:21    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:40    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40
 17:34:51    13     30.629       1.161    2.6     363.0   1.0      39
 17:48:46    13     31.165       1.167    2.4     353.0   1.0      37
 18:02:07    13     31.932       1.177    2.2     331.0   1.0      33
 18:16:02    13     32.978       1.190    1.9     342.0   1.0      29
 18:36:23    13     34.908       1.217    1.9     364.0   1.0      32
 18:50:20    14     36.470       1.241    1.7     359.0   1.0      30
 19:04:19    14     38.202       1.270    1.3     353.0   1.0      25
 19:18:16    14     40.073       1.304    1.4     349.0   1.0      28
 19:38:36    14     43.013       1.364    1.4     356.0   1.0      31
 19:52:33    14     45.148       1.413    1.5     346.0   1.0      36
 20:06:30    14     47.366       1.470    1.2     338.0   1.0      30
 20:20:27    14     49.652       1.537    1.3     343.0   1.0      38

DAILY MEANS  12                  2.225            341.2            31
STANDARD DEVIATION                                 16.7             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 20:28
SXCN10 CWTO 252130
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:44 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0
DS 0  17:40:38   13    1.163     345.1     3.5     7.6     1.2
DS 0  19:44:25   14    1.383     356.2     3.1     7.4     1.6
DS 0  21:00:33   14    1.798     337.3     2.1     4.6     2.5

   DAILY MEANS   13    1.385     343.4             8.0
   STANDARD DEVIATION             12.3             2.1
                             8 / 8


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:44 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6
ZS 1  17:30:53   13    1.160     348.2     2.3     3.4     0.8
ZS 1  17:44:48   13    1.165     348.6     1.4     3.6     0.6
ZS 1  17:58:09   13    1.174     350.2     1.7     3.5     0.3
ZS 1  18:12:04   13    1.186     355.1     2.0     5.0     0.8
ZS 1  18:32:25   13    1.211     359.2     1.8     4.7     0.5
ZS 1  18:46:21   14    1.234     359.8     1.2     5.0     0.5
ZS 1  19:00:22   14    1.261     357.1     2.2     4.7     0.8
ZS 1  19:14:17   14    1.293     355.9     1.2     3.7     0.6
ZS 1  19:34:38   14    1.351     363.5     2.3     4.6     1.1
ZS 1  19:48:35   14    1.398     356.7     2.3     2.8     0.9
ZS 1  20:02:32   14    1.453     354.0     0.6     1.9     0.5
ZS 1  20:16:29   14    1.517     355.5     1.9     1.4     0.7
ZS 1  20:36:49   14    1.630     353.2     2.1     0.4     0.6
ZS 1  20:50:47   14    1.723     354.2     2.4     0.0     0.5
ZS 1  21:04:45   14    1.833     353.7     1.7    -0.4     0.3
ZS 1  21:18:43   14    1.962     352.5     2.3    -0.6     0.7

   DAILY MEANS   12    1.829     347.1             3.8
   STANDARD DEVIATION              9.8             3.3
                             41 / 41


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:44 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:56    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:57    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:30    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:45    11     78.490       4.642    0.1     331.0   4.0      32
 11:44:00    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:16    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:10    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:25    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:21    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:40    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40
 17:34:51    13     30.629       1.161    2.6     363.0   1.0      39
 17:48:46    13     31.165       1.167    2.4     353.0   1.0      37
 18:02:07    13     31.932       1.177    2.2     331.0   1.0      33
 18:16:02    13     32.978       1.190    1.9     342.0   1.0      29
 18:36:23    13     34.908       1.217    1.9     364.0   1.0      32
 18:50:20    14     36.470       1.241    1.7     359.0   1.0      30
 19:04:19    14     38.202       1.270    1.3     353.0   1.0      25
 19:18:16    14     40.073       1.304    1.4     349.0   1.0      28
 19:38:36    14     43.013       1.364    1.4     356.0   1.0      31
 19:52:33    14     45.148       1.413    1.5     346.0   1.0      36
 20:06:30    14     47.366       1.470    1.2     338.0   1.0      30
 20:20:27    14     49.652       1.537    1.3     343.0   1.0      38
 20:40:48    14     53.084       1.655    1.4     330.0   1.0      47
 20:54:45    14     55.490       1.752    1.1     344.0   1.0      43
 21:08:43    14     57.933       1.867    0.9     342.0   1.0      41
 21:22:41    14     60.403       2.004    0.7     334.0   1.0      37

DAILY MEANS  12                  2.186            340.8            32
STANDARD DEVIATION                                 16.0             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 21:28
SXCN10 CWTO 252230
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:43 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  13:13:05   11    1.965     316.2     4.2     6.8     2.1
DS 0  15:50:28   12    1.226     350.4     3.5    11.6     1.6
DS 0  16:04:24   12    1.205     345.9     4.5     9.3     1.9
DS 0  16:24:45   12    1.181     350.0     4.3     9.2     1.1
DS 0  17:26:43   13    1.159     346.3     2.5     7.5     1.0
DS 0  17:40:38   13    1.163     345.1     3.5     7.6     1.2
DS 0  19:44:25   14    1.383     356.2     3.1     7.4     1.6
DS 0  21:00:33   14    1.798     337.3     2.1     4.6     2.5

   DAILY MEANS   13    1.385     343.4             8.0
   STANDARD DEVIATION             12.3             2.1
                             8 / 8


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-25
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:43 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:24:51   11    4.895     321.6     2.5    16.3     1.3
ZS 0  11:35:29   11    4.268     335.2     1.8     8.4     0.8
ZS 0  11:40:05   11    4.041     335.6     2.0     6.7     0.8
ZS 0  11:50:43   11    3.596     335.1     1.0     2.8     0.5
ZS 0  11:55:20   11    3.432     333.4     1.8     2.2     0.3
ZS 0  12:15:28   11    2.862     334.0     0.9    -0.6     0.3
ZS 0  12:29:16   11    2.572     333.3     0.6    -0.9     0.2
ZS 0  12:43:06   11    2.338     333.2     0.9    -1.4     0.3
ZS 0  12:56:55   11    2.147     333.0     0.8    -1.0     0.3
ZS 0  13:17:21   11    1.923     335.6     1.0     1.2     0.3
ZS 1  13:31:19   10    1.799     338.1     1.4     2.5     0.6
ZS 1  13:45:16   10    1.694     344.0     2.8     3.7     1.2
ZS 1  13:59:14   10    1.605     340.5     1.5     3.9     0.3
ZS 1  14:19:34   10    1.498     341.6     2.2     3.4     0.3
ZS 1  14:33:31   11    1.436     359.7     2.4     7.9     0.4
ZS 1  14:47:27   11    1.384     352.4     2.2     7.2     0.7
ZS 1  15:01:24   11    1.338     350.8     1.6     6.1     0.8
ZS 1  15:21:45   11    1.283     354.8     2.3     7.0     1.0
ZS 1  15:40:42   12    1.243     351.9     1.7     6.3     0.8
ZS 1  15:54:38   12    1.219     352.7     2.1     6.7     0.6
ZS 1  16:08:34   12    1.199     347.0     0.3     5.4     0.3
ZS 1  16:28:55   12    1.177     349.7     2.4     6.0     0.8
ZS 1  16:42:49   12    1.167     347.5     2.2     4.6     0.6
ZS 2  16:56:39   12    1.161     346.6     1.6     4.9     0.8
ZS 2  17:10:31   12    1.158     348.4     2.5     4.4     0.6
ZS 1  17:30:53   13    1.160     348.2     2.3     3.4     0.8
ZS 1  17:44:48   13    1.165     348.6     1.4     3.6     0.6
ZS 1  17:58:09   13    1.174     350.2     1.7     3.5     0.3
ZS 1  18:12:04   13    1.186     355.1     2.0     5.0     0.8
ZS 1  18:32:25   13    1.211     359.2     1.8     4.7     0.5
ZS 1  18:46:21   14    1.234     359.8     1.2     5.0     0.5
ZS 1  19:00:22   14    1.261     357.1     2.2     4.7     0.8
ZS 1  19:14:17   14    1.293     355.9     1.2     3.7     0.6
ZS 1  19:34:38   14    1.351     363.5     2.3     4.6     1.1
ZS 1  19:48:35   14    1.398     356.7     2.3     2.8     0.9
ZS 1  20:02:32   14    1.453     354.0     0.6     1.9     0.5
ZS 1  20:16:29   14    1.517     355.5     1.9     1.4     0.7
ZS 1  20:36:49   14    1.630     353.2     2.1     0.4     0.6
ZS 1  20:50:47   14    1.723     354.2     2.4     0.0     0.5
ZS 1  21:04:45   14    1.833     353.7     1.7    -0.4     0.3
ZS 1  21:18:43   14    1.962     352.5     2.3    -0.6     0.7
ZS 1  21:38:53   14    2.195     352.4     0.9    -0.4     0.5
ZS 0  21:57:47   15    2.481     353.3     1.3    -0.8     0.3
ZS 0  22:11:38   15    2.749     350.6     1.7     0.2     0.4
ZS 0  22:25:28   15    3.085     349.1     3.0     1.0     0.4

   DAILY MEANS   12    1.900     347.5             3.5
   STANDARD DEVIATION              9.4             3.3
                             45 / 45


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-25
     LOCAL SOLAR NOON = 17:15:43 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:32:55    11     88.335      11.391    0.0     294.0   6.0      37
 10:51:56    11     85.022       8.349    0.0     340.0   6.0      29
 11:13:29    11     81.213       5.769    0.1     339.0   5.0      32
 11:28:44    11     78.490       4.642    0.1     331.0   4.0      32
 11:43:59    11     75.752       3.862    0.1     332.0   2.0      35
 11:59:18    11     73.005       3.302    0.2     317.0   1.0      35
 12:19:26    11     69.369       2.772    0.3     323.0   1.0      36
 12:33:15    11     66.878       2.500    0.4     325.0   1.0      38
 12:47:05    11     64.387       2.279    0.6     318.0   1.0      40
 13:00:54    11     61.911       2.099    0.5     321.0   1.0      29
 13:21:15    11     58.282       1.885    0.5     332.0   1.0      22
 13:35:17    10     55.835       1.768    0.7     343.0   1.0      27
 13:49:09    10     53.421       1.668    0.6     346.0   2.0      23
 14:03:12    10     51.046       1.582    1.1     321.0   1.0      31
 14:23:32    10     47.680       1.479    1.3     335.0   1.0      32
 14:37:24    11     45.450       1.420    0.7     387.0   2.0      21
 14:51:20    11     43.302       1.370    1.0     341.0   2.0      20
 15:05:22    11     41.247       1.327    1.3     356.0   1.0      26
 15:30:39    11     37.803       1.263    1.1     352.0   1.0      19
 15:44:40    12     36.111       1.236    1.6     340.0   1.0      26
 15:58:36    12     34.590       1.213    2.1     362.0   2.0      36
 16:12:32    12     33.265       1.194    1.8     328.0   1.0      26
 16:32:52    12     31.735       1.174    2.1     345.0   1.0      31
 16:46:47    12     30.998       1.165    2.2     342.0   1.0      32
 17:00:38    12     30.537       1.160    2.6     350.0   2.0      40
 17:14:30    12     30.362       1.158    2.7     347.0   2.0      40
 17:34:51    13     30.629       1.161    2.6     363.0   1.0      39
 17:48:46    13     31.165       1.167    2.4     353.0   1.0      37
 18:02:07    13     31.932       1.177    2.2     331.0   1.0      33
 18:16:02    13     32.978       1.190    1.9     342.0   1.0      29
 18:36:23    13     34.908       1.217    1.9     364.0   1.0      32
 18:50:20    14     36.470       1.241    1.7     359.0   1.0      30
 19:04:19    14     38.202       1.270    1.3     353.0   1.0      25
 19:18:16    14     40.073       1.304    1.4     349.0   1.0      28
 19:38:36    14     43.013       1.364    1.4     356.0   1.0      31
 19:52:33    14     45.148       1.413    1.5     346.0   1.0      36
 20:06:30    14     47.366       1.470    1.2     338.0   1.0      30
 20:20:27    14     49.652       1.537    1.3     343.0   1.0      38
 20:40:48    14     53.084       1.655    1.4     330.0   1.0      47
 20:54:45    14     55.490       1.752    1.1     344.0   1.0      43
 21:08:43    14     57.933       1.867    0.9     342.0   1.0      41
 21:22:41    14     60.403       2.004    0.7     334.0   1.0      37
 21:47:51    15     64.901       2.321    0.6     335.0   1.0      45
 22:01:45    15     67.402       2.552    0.5     340.0   1.0      45
 22:15:36    15     69.896       2.837    0.5     339.0   1.0      59

DAILY MEANS  12                  2.212            340.6            33
STANDARD DEVIATION                                 15.4             8
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170425 22:28
SXCN10 CWTO 260030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170426 00:28
SXCN10 CWTO 260130
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170426 01:29
SXCN10 CWTO 260230
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170426 02:28
SXCN10 CWTO 260330
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170426 03:24
SXCN10 CWTO 260430
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11517.145
LATEST B-FILE TIMESTAMP:  20170426 04:19
SXCN10 CWTO 260530
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 05:29
SXCN10 CWTO 260630
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 06:28
SXCN10 CWTO 260730
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 07:23
SXCN10 CWTO 260830
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 08:29
SXCN10 CWTO 260930
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 09:24
SXCN10 CWTO 261030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 10:28
SXCN10 CWTO 261130


    ***      INSUFFICIENT DATA TO CALCULATE      ***
    ***  STATISTICS FOR THIS DAY'S OBSERVATIONS. ***


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:38 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:07    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:07    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:21    13     79.220       4.902    0.2     322.0   2.0      75

DAILY MEANS  13                  7.258            324.7            74
STANDARD DEVIATION                                  3.8             1
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 11:29
SXCN10 CWTO 261230
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:38 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9

   DAILY MEANS   14    3.793     267.7            -0.6
   STANDARD DEVIATION              0.0             0.0
                             1 / 1


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:38 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2

   DAILY MEANS   14    3.607     327.6             5.1
   STANDARD DEVIATION              2.7             5.2
                             5 / 5


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:38 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:07    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:07    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:21    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:36    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55

DAILY MEANS  14                  5.367            323.5            67
STANDARD DEVIATION                                  4.2             8
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 12:25
SXCN10 CWTO 261330
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4

   DAILY MEANS   14    3.144     280.0             2.1
   STANDARD DEVIATION             17.5             3.8
                             2 / 2


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4

   DAILY MEANS   15    2.945     326.4             2.6
   STANDARD DEVIATION              2.5             4.8
                             9 / 9


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:37 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:06    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:06    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:20    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:35    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41

DAILY MEANS  14                  4.127            319.8            57
STANDARD DEVIATION                                  6.1            14
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 13:26
SXCN10 CWTO 261430
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1

   DAILY MEANS   15    2.611     291.0             3.1
   STANDARD DEVIATION             22.6             3.2
                             3 / 3


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5

   DAILY MEANS   15    2.528     324.7             2.0
   STANDARD DEVIATION              3.4             4.0
                             13 / 13


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:37 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:06    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:06    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:20    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:35    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39

DAILY MEANS  15                  3.422            317.4            52
STANDARD DEVIATION                                  6.5            15
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 14:29
SXCN10 CWTO 261530
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6

   DAILY MEANS   15    2.313     297.7             3.2
   STANDARD DEVIATION             22.8             2.6
                             4 / 4


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:37 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3

   DAILY MEANS   16    2.307     323.8             2.0
   STANDARD DEVIATION              3.6             3.6
                             16 / 16


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:37 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:06    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:06    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:20    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:35    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39

DAILY MEANS  15                  2.964            315.2            49
STANDARD DEVIATION                                  7.1            14
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 15:29
SXCN10 CWTO 261630
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:36 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9

   DAILY MEANS   16    2.087     301.7             3.6
   STANDARD DEVIATION             21.7             2.4
                             5 / 5


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:36 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6

   DAILY MEANS   16    2.089     322.9             2.3
   STANDARD DEVIATION              3.7             3.2
                             20 / 20


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:36 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:05    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:05    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:19    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:34    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39

DAILY MEANS  16                  2.645            313.9            46
STANDARD DEVIATION                                  7.2            14
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 16:29
SXCN10 CWTO 261730
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:36 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7

   DAILY MEANS   17    1.823     305.1             3.8
   STANDARD DEVIATION             18.7             2.1
                             7 / 7


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:36 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5

   DAILY MEANS   17    1.934     322.0             2.5
   STANDARD DEVIATION              4.0             3.0
                             24 / 24


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:36 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:05    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:05    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:19    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:34    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54

DAILY MEANS  16                  2.467            312.7            47
STANDARD DEVIATION                                  7.5            13
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 17:26
SXCN10 CWTO 261830
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7
DS 0  17:33:20   22    1.157     309.9     1.7     3.0     1.1
DS 0  17:47:12   22    1.163     312.2     1.5     3.2     1.3
DS 0  18:01:04   22    1.172     313.0     3.9     4.2     1.8

   DAILY MEANS   19    1.625     307.0             3.7
   STANDARD DEVIATION             15.6             1.8
                             10 / 10


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5
ZS 2  17:37:26   22    1.158     315.8     2.0     3.5     0.7
ZS 2  17:51:17   22    1.165     316.2     0.6     3.3     0.4
ZS 2  18:05:10   22    1.176     316.0     1.4     4.0     0.6
ZS 2  18:25:28   22    1.198     317.7     2.0     3.8     0.7

   DAILY MEANS   18    1.825     321.2             2.6
   STANDARD DEVIATION              4.2             2.8
                             28 / 28


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:35 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:04    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:04    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:18    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:33    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54
 17:27:33    21     30.144       1.155    4.2     304.0   1.0      53
 17:41:24    22     30.536       1.160    4.2     307.0   1.0      54
 17:55:16    22     31.206       1.168    4.6     301.0   1.0      58
 18:09:10    22     32.139       1.179    3.5     301.0   1.0      46

DAILY MEANS  17                  2.287            311.4            47
STANDARD DEVIATION                                  7.8            13
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 18:28
SXCN10 CWTO 261930
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7
DS 0  17:33:20   22    1.157     309.9     1.7     3.0     1.1
DS 0  17:47:12   22    1.163     312.2     1.5     3.2     1.3
DS 0  18:01:04   22    1.172     313.0     3.9     4.2     1.8
DS 0  19:02:58   22    1.263     317.3     4.4     4.1     2.0
DS 0  19:23:15   22    1.312     310.7     3.0     2.2     1.4

   DAILY MEANS   19    1.569     308.2             3.6
   STANDARD DEVIATION             14.4             1.7
                             12 / 12


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5
ZS 2  17:37:26   22    1.158     315.8     2.0     3.5     0.7
ZS 2  17:51:17   22    1.165     316.2     0.6     3.3     0.4
ZS 2  18:05:10   22    1.176     316.0     1.4     4.0     0.6
ZS 2  18:25:28   22    1.198     317.7     2.0     3.8     0.7
ZS 2  18:39:20   22    1.218     317.7     2.3     3.7     0.4
ZS 2  18:53:12   22    1.243     320.1     2.3     2.7     0.6
ZS 2  19:07:04   22    1.272     319.5     2.2     2.6     0.9
ZS 2  19:27:21   22    1.324     318.9     2.7     2.4     0.7

   DAILY MEANS   18    1.755     320.9             2.7
   STANDARD DEVIATION              4.0             2.6
                             32 / 32


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:35 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:04    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:04    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:18    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:33    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54
 17:27:33    21     30.144       1.155    4.2     304.0   1.0      53
 17:41:24    22     30.536       1.160    4.2     307.0   1.0      54
 17:55:16    22     31.206       1.168    4.6     301.0   1.0      58
 18:09:10    22     32.139       1.179    3.5     301.0   1.0      46
 18:29:27    22     33.923       1.203    3.0     307.0   1.0      41
 18:43:19    22     35.396       1.225    2.9     305.0   1.0      42
 18:57:11    22     37.043       1.250    3.2     306.0   1.0      49
 19:11:02    22     38.841       1.281    3.3     310.0   1.0      55

DAILY MEANS  18                  2.160            310.8            47
STANDARD DEVIATION                                  7.4            12
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 19:30
SXCN10 CWTO 262030
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7
DS 0  17:33:20   22    1.157     309.9     1.7     3.0     1.1
DS 0  17:47:12   22    1.163     312.2     1.5     3.2     1.3
DS 0  18:01:04   22    1.172     313.0     3.9     4.2     1.8
DS 0  19:02:58   22    1.263     317.3     4.4     4.1     2.0
DS 0  19:23:15   22    1.312     310.7     3.0     2.2     1.4
DS 2  19:37:02   23    1.354     314.8     4.7     0.9     1.7
DS 0  19:50:53   23    1.401     311.2     2.2     1.6     1.2
DS 3  20:04:46   23    1.457     316.0     2.0     1.7     0.5

   DAILY MEANS   20    1.536     309.4             3.2
   STANDARD DEVIATION             13.0             1.8
                             15 / 15


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:35 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5
ZS 2  17:37:26   22    1.158     315.8     2.0     3.5     0.7
ZS 2  17:51:17   22    1.165     316.2     0.6     3.3     0.4
ZS 2  18:05:10   22    1.176     316.0     1.4     4.0     0.6
ZS 2  18:25:28   22    1.198     317.7     2.0     3.8     0.7
ZS 2  18:39:20   22    1.218     317.7     2.3     3.7     0.4
ZS 2  18:53:12   22    1.243     320.1     2.3     2.7     0.6
ZS 2  19:07:04   22    1.272     319.5     2.2     2.6     0.9
ZS 2  19:27:21   22    1.324     318.9     2.7     2.4     0.7
ZS 2  19:41:07   23    1.367     317.6     1.6     2.3     0.3
ZS 2  19:55:00   23    1.417     319.7     1.4     1.5     0.6
ZS 1  20:08:56   23    1.476     316.1     1.1     1.6     0.3

   DAILY MEANS   19    1.726     320.7             2.6
   STANDARD DEVIATION              3.9             2.5
                             35 / 35


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:35 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:04    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:04    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:18    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:33    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54
 17:27:33    21     30.144       1.155    4.2     304.0   1.0      53
 17:41:24    22     30.536       1.160    4.2     307.0   1.0      54
 17:55:16    22     31.206       1.168    4.6     301.0   1.0      58
 18:09:10    22     32.139       1.179    3.5     301.0   1.0      46
 18:29:27    22     33.923       1.203    3.0     307.0   1.0      41
 18:43:19    22     35.396       1.225    2.9     305.0   1.0      42
 18:57:11    22     37.043       1.250    3.2     306.0   1.0      49
 19:11:02    22     38.841       1.281    3.3     310.0   1.0      55
 19:31:20    22     41.704       1.336    3.7     306.0   1.0      67
 19:45:05    23     43.771       1.380    3.3     305.0   1.0      65
 19:58:58    23     45.945       1.433    3.4     319.0   1.0      78
 20:12:54    24     48.200       1.494    3.3     303.0   1.0      78

DAILY MEANS  18                  2.079            310.6            50
STANDARD DEVIATION                                  7.4            14
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 20:29
SXCN10 CWTO 262130
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:34 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7
DS 0  17:33:20   22    1.157     309.9     1.7     3.0     1.1
DS 0  17:47:12   22    1.163     312.2     1.5     3.2     1.3
DS 0  18:01:04   22    1.172     313.0     3.9     4.2     1.8
DS 0  19:02:58   22    1.263     317.3     4.4     4.1     2.0
DS 0  19:23:15   22    1.312     310.7     3.0     2.2     1.4
DS 2  19:37:02   23    1.354     314.8     4.7     0.9     1.7
DS 0  19:50:53   23    1.401     311.2     2.2     1.6     1.2
DS 3  20:04:46   23    1.457     316.0     2.0     1.7     0.5
DS 4  20:38:59   25    1.636     310.6     0.8     1.9     0.3
DS 4  20:52:52   25    1.730     309.7     0.8     2.4     0.4
DS 4  21:06:47   26    1.841     310.8     1.3     2.2     0.6
DS 4  21:27:03   26    2.039     313.4     2.0     1.9     0.5

   DAILY MEANS   21    1.594     309.7             2.9
   STANDARD DEVIATION             11.5             1.6
                             19 / 19


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:34 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5
ZS 2  17:37:26   22    1.158     315.8     2.0     3.5     0.7
ZS 2  17:51:17   22    1.165     316.2     0.6     3.3     0.4
ZS 2  18:05:10   22    1.176     316.0     1.4     4.0     0.6
ZS 2  18:25:28   22    1.198     317.7     2.0     3.8     0.7
ZS 2  18:39:20   22    1.218     317.7     2.3     3.7     0.4
ZS 2  18:53:12   22    1.243     320.1     2.3     2.7     0.6
ZS 2  19:07:04   22    1.272     319.5     2.2     2.6     0.9
ZS 2  19:27:21   22    1.324     318.9     2.7     2.4     0.7
ZS 2  19:41:07   23    1.367     317.6     1.6     2.3     0.3
ZS 2  19:55:00   23    1.417     319.7     1.4     1.5     0.6
ZS 1  20:08:56   23    1.476     316.1     1.1     1.6     0.3
ZS 1  20:29:16   24    1.578     315.6     2.3     0.8     0.6
ZS 1  20:43:10   25    1.663     312.7     1.9     1.2     0.4
ZS 1  20:57:04   25    1.761     311.4     1.8     1.0     0.5
ZS 1  21:10:58   26    1.878     311.6     1.7     0.1     0.6

   DAILY MEANS   19    1.726     319.9             2.4
   STANDARD DEVIATION              4.5             2.4
                             39 / 39


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:34 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:03    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:03    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:17    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:32    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54
 17:27:33    21     30.144       1.155    4.2     304.0   1.0      53
 17:41:24    22     30.536       1.160    4.2     307.0   1.0      54
 17:55:16    22     31.206       1.168    4.6     301.0   1.0      58
 18:09:10    22     32.139       1.179    3.5     301.0   1.0      46
 18:29:27    22     33.923       1.203    3.0     307.0   1.0      41
 18:43:19    22     35.396       1.225    2.9     305.0   1.0      42
 18:57:11    22     37.043       1.250    3.2     306.0   1.0      49
 19:11:02    22     38.841       1.281    3.3     310.0   1.0      55
 19:31:20    22     41.704       1.336    3.7     306.0   1.0      67
 19:45:05    23     43.771       1.380    3.3     305.0   1.0      65
 19:58:58    23     45.945       1.433    3.4     319.0   1.0      78
 20:12:54    24     48.200       1.494    3.3     303.0   1.0      78
 20:33:13    24     51.593       1.601    3.2     304.0   3.0      93
 20:47:08    25     53.974       1.689    2.7     311.0   1.0      89
 21:01:02    25     56.391       1.793    2.3     309.0   1.0      89
 21:14:56    26     58.838       1.915    1.9     312.0   1.0      86

DAILY MEANS  19                  2.047            310.4            54
STANDARD DEVIATION                                  7.1            18
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 21:29
SXCN10 CWTO 262230
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:34 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:44:21   14    3.793     267.7     3.5    -0.6     3.9
DS 0  12:32:09   14    2.495     292.4     4.2     4.8     1.4
DS 0  14:08:21   16    1.546     312.8     1.4     5.1     1.1
DS 0  14:36:15   17    1.419     317.9     2.6     3.6     1.6
DS 0  16:17:35   19    1.184     317.5     2.8     4.9     0.9
DS 0  16:31:27   20    1.171     315.7     4.2     5.7     0.9
DS 0  17:19:29   21    1.154     311.4     1.6     3.0     0.7
DS 0  17:33:20   22    1.157     309.9     1.7     3.0     1.1
DS 0  17:47:12   22    1.163     312.2     1.5     3.2     1.3
DS 0  18:01:04   22    1.172     313.0     3.9     4.2     1.8
DS 0  19:02:58   22    1.263     317.3     4.4     4.1     2.0
DS 0  19:23:15   22    1.312     310.7     3.0     2.2     1.4
DS 2  19:37:02   23    1.354     314.8     4.7     0.9     1.7
DS 0  19:50:53   23    1.401     311.2     2.2     1.6     1.2
DS 3  20:04:46   23    1.457     316.0     2.0     1.7     0.5
DS 4  20:38:59   25    1.636     310.6     0.8     1.9     0.3
DS 4  20:52:52   25    1.730     309.7     0.8     2.4     0.4
DS 4  21:06:47   26    1.841     310.8     1.3     2.2     0.6
DS 4  21:27:03   26    2.039     313.4     2.0     1.9     0.5
DS 4  21:46:00   27    2.279     314.7     2.0     2.0     0.5
DS 3  21:59:56   27    2.501     314.3     2.3     2.4     1.2
DS 2  22:13:53   26    2.776     314.4     1.4     2.0     0.2

   DAILY MEANS   22    1.720     310.4             2.8
   STANDARD DEVIATION             10.8             1.5
                             22 / 22


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-26
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:34 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:30:01   14    4.490     322.8     1.5    11.9     1.0
ZS 0  11:34:37   14    4.241     328.9     3.8     9.0     0.6
ZS 0  11:48:28   14    3.630     329.3     1.2     4.2     0.3
ZS 0  12:08:37   14    2.997     328.6     1.1     0.8     0.2
ZS 0  12:22:26   14    2.679     328.3     1.3    -0.3     0.2
ZS 0  12:36:15   15    2.425     326.9     0.9    -0.8     0.3
ZS 1  12:50:09   15    2.217     324.7     1.1    -0.5     0.4
ZS 1  13:10:19   15    1.979     324.5     1.7    -0.6     0.6
ZS 1  13:24:17   16    1.846     323.8     1.3    -0.3     0.4
ZS 1  13:38:15   16    1.734     321.9     1.2     0.5     0.5
ZS 1  13:52:12   16    1.639     320.7     1.9     0.8     0.7
ZS 1  14:12:32   16    1.524     320.6     1.4     0.6     0.3
ZS 1  14:26:28   17    1.459     320.2     1.3     1.3     0.5
ZS 1  14:40:25   17    1.403     320.0     2.1     1.3     0.6
ZS 1  14:54:21   17    1.354     320.0     1.5     2.1     0.4
ZS 1  15:14:44   18    1.295     319.3     1.3     2.3     0.3
ZS 2  15:33:37   19    1.252     320.6     2.8     2.9     0.7
ZS 2  15:47:29   19    1.226     319.4     2.6     3.6     0.8
ZS 1  16:01:25   19    1.204     318.6     1.7     3.4     0.3
ZS 2  16:21:41   20    1.180     319.9     2.1     3.5     0.6
ZS 2  16:35:32   20    1.168     318.1     1.3     3.6     0.7
ZS 2  16:49:24   20    1.160     317.5     1.1     3.5     0.5
ZS 2  17:03:15   20    1.155     317.9     3.2     2.8     0.7
ZS 2  17:23:34   21    1.154     315.8     1.5     3.5     0.5
ZS 2  17:37:26   22    1.158     315.8     2.0     3.5     0.7
ZS 2  17:51:17   22    1.165     316.2     0.6     3.3     0.4
ZS 2  18:05:10   22    1.176     316.0     1.4     4.0     0.6
ZS 2  18:25:28   22    1.198     317.7     2.0     3.8     0.7
ZS 2  18:39:20   22    1.218     317.7     2.3     3.7     0.4
ZS 2  18:53:12   22    1.243     320.1     2.3     2.7     0.6
ZS 2  19:07:04   22    1.272     319.5     2.2     2.6     0.9
ZS 2  19:27:21   22    1.324     318.9     2.7     2.4     0.7
ZS 2  19:41:07   23    1.367     317.6     1.6     2.3     0.3
ZS 2  19:55:00   23    1.417     319.7     1.4     1.5     0.6
ZS 1  20:08:56   23    1.476     316.1     1.1     1.6     0.3
ZS 1  20:29:16   24    1.578     315.6     2.3     0.8     0.6
ZS 1  20:43:10   25    1.663     312.7     1.9     1.2     0.4
ZS 1  20:57:04   25    1.761     311.4     1.8     1.0     0.5
ZS 1  21:10:58   26    1.878     311.6     1.7     0.1     0.6
ZS 0  21:31:15   26    2.087     311.1     0.9    -0.1     0.2
ZS 0  21:50:09   27    2.340     311.7     0.7    -0.2     0.2
ZS 0  22:04:05   26    2.576     311.5     1.0     0.0     0.2
ZS 0  22:18:01   25    2.870     318.3     1.6     0.0     0.3

   DAILY MEANS   20    1.795     319.2             2.2
   STANDARD DEVIATION              4.8             2.4
                             43 / 43


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-26
     LOCAL SOLAR NOON = 17:15:34 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:36:03    13     87.541      10.723    0.0     329.0   5.0      75
 11:08:03    13     81.931       6.150    0.1     323.0   5.0      73
 11:23:17    13     79.220       4.902    0.2     322.0   2.0      75
 11:38:32    14     76.488       4.046    0.2     321.0   3.0      62
 11:52:26    14     73.998       3.485    0.3     328.0   1.0      64
 12:12:35    14     70.361       2.898    0.4     318.0   1.0      55
 12:26:25    14     67.862       2.600    0.4     316.0   2.0      42
 12:40:14    15     65.370       2.361    0.6     315.0   1.0      43
 12:54:07    15     62.875       2.165    0.7     317.0   1.0      42
 13:14:17    15     59.279       1.939    0.9     309.0   1.0      41
 13:28:15    16     56.813       1.812    1.0     314.0   1.0      39
 13:42:13    16     54.376       1.705    1.1     309.0   1.0      36
 13:56:10    16     51.978       1.614    1.4     311.0   1.0      40
 14:16:29    16     48.569       1.505    1.6     311.0   1.0      39
 14:30:27    17     46.297       1.442    1.7     308.0   1.0      39
 14:44:23    17     44.102       1.388    1.8     306.0   1.0      36
 14:58:20    17     41.990       1.342    1.9     311.0   1.0      35
 15:23:43    18     38.419       1.274    2.4     306.0   1.0      39
 15:37:36    19     36.651       1.244    2.3     308.0   1.0      36
 15:51:28    19     35.041       1.219    2.5     303.0   1.0      36
 16:05:23    19     33.607       1.199    2.1     311.0   1.0      30
 16:25:40    20     31.899       1.176    3.0     309.0   1.0      39
 16:39:31    20     31.027       1.166    3.5     308.0   1.0      46
 16:53:23    20     30.420       1.158    4.0     303.0   1.0      50
 17:07:15    20     30.094       1.154    4.3     301.0   1.0      54
 17:27:33    21     30.144       1.155    4.2     304.0   1.0      53
 17:41:24    22     30.536       1.160    4.2     307.0   1.0      54
 17:55:16    22     31.206       1.168    4.6     301.0   1.0      58
 18:09:10    22     32.139       1.179    3.5     301.0   1.0      46
 18:29:27    22     33.923       1.203    3.0     307.0   1.0      41
 18:43:19    22     35.396       1.225    2.9     305.0   1.0      42
 18:57:11    22     37.043       1.250    3.2     306.0   1.0      49
 19:11:02    22     38.841       1.281    3.3     310.0   1.0      55
 19:31:20    22     41.704       1.336    3.7     306.0   1.0      67
 19:45:05    23     43.771       1.380    3.3     305.0   1.0      65
 19:58:58    23     45.945       1.433    3.4     319.0   1.0      78
 20:12:54    24     48.200       1.494    3.3     303.0   1.0      78
 20:33:13    24     51.593       1.601    3.2     304.0   3.0      93
 20:47:08    25     53.974       1.689    2.7     311.0   1.0      89
 21:01:02    25     56.391       1.793    2.3     309.0   1.0      89
 21:14:56    26     58.838       1.915    1.9     312.0   1.0      86
 21:40:14    27     63.347       2.199    1.3     311.0   1.0      86
 21:54:07    27     65.841       2.403    1.0     315.0   1.0      78
 22:08:03    26     68.351       2.653    0.7     305.0   1.0      68
 22:22:00    25     70.867       2.968    0.6     323.0   1.0      79

DAILY MEANS  20                  2.092            310.7            56
STANDARD DEVIATION                                  7.1            18
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170426 22:28
SXCN10 CWTO 270030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170427 00:28
SXCN10 CWTO 270130
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170427 01:19
SXCN10 CWTO 270230
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170427 02:27
SXCN10 CWTO 270330
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170427 03:25
SXCN10 CWTO 270430
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11617.145
LATEST B-FILE TIMESTAMP:  20170427 04:20
SXCN10 CWTO 270530
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 05:29
SXCN10 CWTO 270630
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 06:30
SXCN10 CWTO 270730
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 07:25
SXCN10 CWTO 270830
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 08:26
SXCN10 CWTO 270930
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 09:26
SXCN10 CWTO 271030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 10:27
SXCN10 CWTO 271130
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:29 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2

   DAILY MEANS   15    5.197     303.8            -1.7
   STANDARD DEVIATION              4.9             4.0
                             2 / 2


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:29 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:11    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:45    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:36    15     79.645       5.067    0.2     326.0   2.0      88

DAILY MEANS  14                  7.154            309.3            87
STANDARD DEVIATION                                 17.0             2
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 11:29
SXCN10 CWTO 271230
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6

   DAILY MEANS   17    3.828     307.7             0.8
   STANDARD DEVIATION              3.8             2.7
                             6 / 6


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4

   DAILY MEANS   17    3.518     305.8             4.8
   STANDARD DEVIATION              1.9             5.1
                             4 / 4


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:28 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:10    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:44    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:35    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:26    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86

DAILY MEANS  16                  4.996            310.9            87
STANDARD DEVIATION                                 10.3             1
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 12:29
SXCN10 CWTO 271330
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8

   DAILY MEANS   18    3.252     308.2             1.3
   STANDARD DEVIATION              3.3             2.3
                             9 / 9


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4

   DAILY MEANS   19    2.839     307.4             2.2
   STANDARD DEVIATION              2.1             4.3
                             8 / 8


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:28 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:10    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:44    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:35    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:26    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90

DAILY MEANS  18                  3.947            311.5            87
STANDARD DEVIATION                                  8.2             2
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 13:29
SXCN10 CWTO 271430
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7

   DAILY MEANS   20    2.755     307.9             1.6
   STANDARD DEVIATION              2.7             1.9
                             13 / 13


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:28 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4

   DAILY MEANS   21    2.429     308.2             1.8
   STANDARD DEVIATION              2.2             3.5
                             12 / 12


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:28 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:10    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:44    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:35    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:26    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82

DAILY MEANS  20                  3.317            310.7            86
STANDARD DEVIATION                                  7.2             3
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 14:29
SXCN10 CWTO 271530
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5

   DAILY MEANS   22    2.424     307.7             1.8
   STANDARD DEVIATION              2.4             1.7
                             17 / 17


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3

   DAILY MEANS   22    2.215     308.8             1.8
   STANDARD DEVIATION              2.3             3.1
                             15 / 15


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:27 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:09    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:43    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:34    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:25    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91

DAILY MEANS  21                  2.988            310.1            87
STANDARD DEVIATION                                  6.7             3
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 15:30
SXCN10 CWTO 271630
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9

   DAILY MEANS   24    2.191     307.6             1.9
   STANDARD DEVIATION              2.2             1.5
                             21 / 21


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9

   DAILY MEANS   24    2.005     309.7             2.0
   STANDARD DEVIATION              2.8             2.8
                             19 / 19


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:27 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:09    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:43    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:34    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:25    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89

DAILY MEANS  23                  2.665            309.7            87
STANDARD DEVIATION                                  6.3             3
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 16:29
SXCN10 CWTO 271730
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8

   DAILY MEANS   25    2.061     307.7             2.0
   STANDARD DEVIATION              2.0             1.5
                             24 / 24


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:27 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4

   DAILY MEANS   25    1.890     310.2             2.2
   STANDARD DEVIATION              2.9             2.6
                             22 / 22


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:27 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:09    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:43    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:34    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:25    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:40    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:05    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:50    33     29.721       1.150    6.2     311.0   4.0      82
 17:25:01    33     29.789       1.151    5.8     355.0   4.0      88

DAILY MEANS  25                  2.433            312.3            87
STANDARD DEVIATION                                 11.1             3
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 17:29
SXCN10 CWTO 271830
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:26 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8
DS 3  17:30:19   33    1.152     313.3     2.0     3.5     0.3
DS 5  17:40:15   34    1.156     310.1     1.6     2.8     0.5
DS 5  18:00:30   34    1.168     311.1     3.4     3.4     0.7
DS 4  18:14:23   35    1.181     311.8     0.3     3.1     0.5
DS 4  18:28:11   35    1.198     308.7     2.9     3.6     1.1

   DAILY MEANS   27    1.908     308.3             2.2
   STANDARD DEVIATION              2.3             1.4
                             29 / 29


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:26 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4
ZS 2  17:44:21   34    1.157     316.1     3.9     3.6     1.2
ZS 2  18:04:36   34    1.171     318.0     2.3     3.8     0.9
ZS 2  18:18:29   35    1.186     319.3     2.3     3.4     0.9

   DAILY MEANS   26    1.804     311.1             2.3
   STANDARD DEVIATION              3.7             2.5
                             25 / 25


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:26 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:08    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:42    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:33    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:24    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:39    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:04    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:49    33     29.721       1.150    6.2     311.0   4.0      82
 17:25:00    33     29.789       1.151    5.8     355.0   4.0      88
 17:34:23    34     29.990       1.153    7.3     309.0   1.0      93
 17:48:20    34     30.533       1.160    6.9     308.0   1.0      88
 18:08:35    35     31.805       1.175    6.1     299.0   1.0      77
 18:22:28    35     32.977       1.190    5.4     325.0   1.0      79

DAILY MEANS  26                  2.264            312.0            87
STANDARD DEVIATION                                 10.9             4
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 18:30
SXCN10 CWTO 271930
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:26 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8
DS 3  17:30:19   33    1.152     313.3     2.0     3.5     0.3
DS 5  17:40:15   34    1.156     310.1     1.6     2.8     0.5
DS 5  18:00:30   34    1.168     311.1     3.4     3.4     0.7
DS 4  18:14:23   35    1.181     311.8     0.3     3.1     0.5
DS 4  18:28:11   35    1.198     308.7     2.9     3.6     1.1
DS 4  18:42:00   36    1.218     310.2     3.3     3.3     0.7
DS 4  19:02:13   36    1.257     312.1     2.1     3.6     1.0
DS 4  19:16:02   36    1.289     312.3     1.8     3.4     0.5

   DAILY MEANS   27    1.846     308.6             2.4
   STANDARD DEVIATION              2.4             1.4
                             32 / 32


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:26 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4
ZS 2  17:44:21   34    1.157     316.1     3.9     3.6     1.2
ZS 2  18:04:36   34    1.171     318.0     2.3     3.8     0.9
ZS 2  18:18:29   35    1.186     319.3     2.3     3.4     0.9
ZS 2  18:32:17   35    1.203     320.0     2.9     3.9     1.1
ZS 2  18:46:06   36    1.225     319.9     1.7     3.3     0.7
ZS 2  19:06:19   36    1.266     320.2     2.4     3.2     0.5
ZS 2  19:20:08   36    1.300     320.7     1.3     3.5     0.6

   DAILY MEANS   28    1.727     312.4             2.5
   STANDARD DEVIATION              4.7             2.4
                             29 / 29


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:26 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:08    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:42    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:33    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:24    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:39    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:04    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:49    33     29.721       1.150    6.2     311.0   4.0      82
 17:25:00    33     29.789       1.151    5.8     355.0   4.0      88
 17:34:23    34     29.990       1.153    7.3     309.0   1.0      93
 17:48:20    34     30.533       1.160    6.9     308.0   1.0      88
 18:08:35    35     31.805       1.175    6.1     299.0   1.0      77
 18:22:28    35     32.977       1.190    5.4     325.0   1.0      79
 18:36:13    35     34.355       1.209    5.0     310.0   1.0      70
 18:50:01    36     35.919       1.233    6.0     310.0   1.0      89
 19:10:15    36     38.499       1.275    5.0     323.0   2.0      82
 19:24:07    36     40.424       1.310    4.0     314.0   1.0      69

DAILY MEANS  27                  2.146            312.3            86
STANDARD DEVIATION                                 10.4             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 19:29
SXCN10 CWTO 272030
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8
DS 3  17:30:19   33    1.152     313.3     2.0     3.5     0.3
DS 5  17:40:15   34    1.156     310.1     1.6     2.8     0.5
DS 5  18:00:30   34    1.168     311.1     3.4     3.4     0.7
DS 4  18:14:23   35    1.181     311.8     0.3     3.1     0.5
DS 4  18:28:11   35    1.198     308.7     2.9     3.6     1.1
DS 4  18:42:00   36    1.218     310.2     3.3     3.3     0.7
DS 4  19:02:13   36    1.257     312.1     2.1     3.6     1.0
DS 4  19:16:02   36    1.289     312.3     1.8     3.4     0.5
DS 4  19:29:50   36    1.327     312.9     2.3     3.5     0.8
DS 4  19:43:39   36    1.371     314.3     1.3     3.0     0.4

   DAILY MEANS   28    1.817     308.9             2.4
   STANDARD DEVIATION              2.6             1.4
                             34 / 34


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4
ZS 2  17:44:21   34    1.157     316.1     3.9     3.6     1.2
ZS 2  18:04:36   34    1.171     318.0     2.3     3.8     0.9
ZS 2  18:18:29   35    1.186     319.3     2.3     3.4     0.9
ZS 2  18:32:17   35    1.203     320.0     2.9     3.9     1.1
ZS 2  18:46:06   36    1.225     319.9     1.7     3.3     0.7
ZS 2  19:06:19   36    1.266     320.2     2.4     3.2     0.5
ZS 2  19:20:08   36    1.300     320.7     1.3     3.5     0.6
ZS 2  19:33:56   36    1.339     318.9     1.8     3.3     0.8
ZS 1  19:47:50   37    1.385     317.4     1.4     3.0     0.4
ZS 1  20:08:06   37    1.466     322.0     2.5     1.1     0.5
ZS 1  20:22:08   36    1.533     322.5     1.1     1.1     0.3

   DAILY MEANS   29    1.691     313.3             2.5
   STANDARD DEVIATION              5.1             2.2
                             33 / 33


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:25 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:07    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:41    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:32    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:23    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:38    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:03    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:48    33     29.721       1.150    6.2     311.0   4.0      82
 17:24:59    33     29.789       1.151    5.8     355.0   4.0      88
 17:34:23    34     29.990       1.153    7.3     309.0   1.0      93
 17:48:20    34     30.533       1.160    6.9     308.0   1.0      88
 18:08:35    35     31.805       1.175    6.1     299.0   1.0      77
 18:22:28    35     32.977       1.190    5.4     325.0   1.0      79
 18:36:12    35     34.355       1.209    5.0     310.0   1.0      70
 18:50:00    36     35.919       1.233    6.0     310.0   1.0      89
 19:10:14    36     38.499       1.275    5.0     323.0   2.0      82
 19:24:07    36     40.424       1.310    4.0     314.0   1.0      69
 19:37:55    36     42.457       1.352    4.5     307.0   1.0      84
 19:51:48    37     44.595       1.400    3.6     306.0   1.0      72
 20:12:05    37     47.854       1.484    3.0     330.0   1.0      78
 20:26:06    36     50.186       1.554    3.3     315.0   1.0      91

DAILY MEANS  28                  2.072            312.5            85
STANDARD DEVIATION                                 10.4             6
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 20:29
SXCN10 CWTO 272130
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8
DS 3  17:30:19   33    1.152     313.3     2.0     3.5     0.3
DS 5  17:40:15   34    1.156     310.1     1.6     2.8     0.5
DS 5  18:00:30   34    1.168     311.1     3.4     3.4     0.7
DS 4  18:14:23   35    1.181     311.8     0.3     3.1     0.5
DS 4  18:28:11   35    1.198     308.7     2.9     3.6     1.1
DS 4  18:42:00   36    1.218     310.2     3.3     3.3     0.7
DS 4  19:02:13   36    1.257     312.1     2.1     3.6     1.0
DS 4  19:16:02   36    1.289     312.3     1.8     3.4     0.5
DS 4  19:29:50   36    1.327     312.9     2.3     3.5     0.8
DS 4  19:43:39   36    1.371     314.3     1.3     3.0     0.4
DS 4  20:31:54   36    1.586     316.4     1.5     3.2     0.6
DS 3  21:04:15   36    1.810     323.6     1.1     2.6     0.5
DS 3  21:23:09   35    1.986     322.2     1.2     3.2     0.4

   DAILY MEANS   29    1.815     309.9             2.5
   STANDARD DEVIATION              4.2             1.3
                             37 / 37


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4
ZS 2  17:44:21   34    1.157     316.1     3.9     3.6     1.2
ZS 2  18:04:36   34    1.171     318.0     2.3     3.8     0.9
ZS 2  18:18:29   35    1.186     319.3     2.3     3.4     0.9
ZS 2  18:32:17   35    1.203     320.0     2.9     3.9     1.1
ZS 2  18:46:06   36    1.225     319.9     1.7     3.3     0.7
ZS 2  19:06:19   36    1.266     320.2     2.4     3.2     0.5
ZS 2  19:20:08   36    1.300     320.7     1.3     3.5     0.6
ZS 2  19:33:56   36    1.339     318.9     1.8     3.3     0.8
ZS 1  19:47:50   37    1.385     317.4     1.4     3.0     0.4
ZS 1  20:08:06   37    1.466     322.0     2.5     1.1     0.5
ZS 1  20:22:08   36    1.533     322.5     1.1     1.1     0.3
ZS 1  20:36:06   36    1.611     322.4     1.3     1.0     0.4
ZS 1  20:48:08   36    1.688     323.2     0.9     0.3     0.3
ZS 1  21:08:26   36    1.846     322.1     1.4     0.2     0.5
ZS 1  21:27:17   35    2.030     324.0     1.9    -0.1     0.4

   DAILY MEANS   30    1.702     314.4             2.2
   STANDARD DEVIATION              5.7             2.2
                             37 / 37


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:25 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:07    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:41    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:32    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:23    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:38    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:03    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:48    33     29.721       1.150    6.2     311.0   4.0      82
 17:24:59    33     29.789       1.151    5.8     355.0   4.0      88
 17:34:23    34     29.990       1.153    7.3     309.0   1.0      93
 17:48:20    34     30.533       1.160    6.9     308.0   1.0      88
 18:08:35    35     31.805       1.175    6.1     299.0   1.0      77
 18:22:28    35     32.977       1.190    5.4     325.0   1.0      79
 18:36:12    35     34.355       1.209    5.0     310.0   1.0      70
 18:50:00    36     35.919       1.233    6.0     310.0   1.0      89
 19:10:14    36     38.499       1.275    5.0     323.0   2.0      82
 19:24:07    36     40.424       1.310    4.0     314.0   1.0      69
 19:37:55    36     42.457       1.352    4.5     307.0   1.0      84
 19:51:48    37     44.595       1.400    3.6     306.0   1.0      72
 20:12:05    37     47.854       1.484    3.0     330.0   1.0      78
 20:26:06    36     50.186       1.554    3.3     315.0   1.0      91
 20:40:04    36     52.560       1.635    2.2     307.0   1.0      67
 20:52:06    36     54.639       1.716    2.3     323.0   1.0      85
 21:17:26    35     59.092       1.928    1.6     320.0   1.0      77

DAILY MEANS  29                  2.049            312.8            85
STANDARD DEVIATION                                 10.2             7
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 21:29
SXCN10 CWTO 272230
PRELIMINARY DIRECT SUN DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
DS 0  11:11:30   14    5.706     300.3     1.9    -4.5     2.3
DS 0  11:25:20   15    4.687     307.3     1.1     1.1     0.2
DS 1  11:39:16   16    3.954     309.8     0.7     1.4     0.4
DS 2  11:59:29   17    3.214     309.8     1.4     1.9     0.4
DS 3  12:13:26   18    2.847     308.8     1.5     2.6     0.9
DS 3  12:27:18   19    2.559     310.1     1.4     2.6     0.6
DS 3  12:41:09   20    2.327     309.9     1.6     2.7     0.6
DS 3  13:01:21   22    2.061     311.1     1.8     2.0     0.7
DS 4  13:15:17   22    1.916     306.7     3.0     2.2     0.8
DS 4  13:29:11   23    1.793     307.8     1.2     2.0     0.4
DS 4  13:43:06   24    1.689     307.2     1.2     2.3     0.4
DS 4  14:03:21   25    1.564     306.7     0.9     2.1     0.2
DS 4  14:17:15   26    1.493     306.6     1.8     2.3     0.7
DS 4  14:31:08   27    1.432     307.6     1.8     1.9     0.5
DS 4  14:45:01   28    1.380     306.3     2.9     2.4     0.8
DS 5  15:06:04   29    1.313     307.0     2.8     2.5     0.9
DS 5  15:24:58   30    1.266     307.5     1.7     2.6     0.5
DS 5  15:38:51   31    1.237     308.2     2.4     2.3     0.5
DS 5  15:52:44   31    1.213     307.6     1.3     2.5     0.5
DS 5  16:12:58   32    1.185     307.2     2.3     2.8     0.8
DS 5  16:26:47   32    1.171     307.1     2.4     2.8     0.9
DS 5  16:40:36   32    1.161     307.6     1.8     2.2     0.4
DS 5  17:12:25   33    1.150     309.2     2.6     2.6     0.6
DS 5  17:21:36   33    1.150     308.3     3.1     3.4     0.8
DS 3  17:30:19   33    1.152     313.3     2.0     3.5     0.3
DS 5  17:40:15   34    1.156     310.1     1.6     2.8     0.5
DS 5  18:00:30   34    1.168     311.1     3.4     3.4     0.7
DS 4  18:14:23   35    1.181     311.8     0.3     3.1     0.5
DS 4  18:28:11   35    1.198     308.7     2.9     3.6     1.1
DS 4  18:42:00   36    1.218     310.2     3.3     3.3     0.7
DS 4  19:02:13   36    1.257     312.1     2.1     3.6     1.0
DS 4  19:16:02   36    1.289     312.3     1.8     3.4     0.5
DS 4  19:29:50   36    1.327     312.9     2.3     3.5     0.8
DS 4  19:43:39   36    1.371     314.3     1.3     3.0     0.4
DS 4  20:31:54   36    1.586     316.4     1.5     3.2     0.6
DS 3  21:04:15   36    1.810     323.6     1.1     2.6     0.5
DS 3  21:23:09   35    1.986     322.2     1.2     3.2     0.4

   DAILY MEANS   29    1.815     309.9             2.5
   STANDARD DEVIATION              4.2             1.3
                             37 / 37


PRELIMINARY ZENITH SKY DATA


TORONTO OZONE - BREWER # 145
              PRELIMINARY DATA   -   LOCAL DATE 2017-04-27
              LATITUDE - 43.781  :   LONGITUDE - 79.468
              LOCAL SOLAR NOON = 17:15:25 GMT
   ETC'S - O3/SO2 - 1590 / 340  :   ABSORPTION - 0.346 / 1.151

TYPE  TIME-GMT  TEMP  AIRMASS    OZONE    ERROR    SO2    ERROR
ZS 0  11:29:28   15    4.444     303.1     1.8    11.7     0.9
ZS 0  11:43:23   16    3.777     306.1     1.4     5.6     0.4
ZS 0  12:03:38   17    3.095     306.8     0.8     1.4     0.3
ZS 0  12:17:35   19    2.754     307.3     0.8     0.4     0.4
ZS 0  12:31:27   20    2.484     308.0     1.0    -0.2     0.3
ZS 0  12:45:18   20    2.266     308.8     1.2    -0.5     0.3
ZS 0  13:05:29   22    2.015     309.8     1.3    -0.7     0.3
ZS 1  13:19:29   23    1.876     309.3     1.8     0.1     0.4
ZS 1  13:33:23   23    1.760     308.1     1.9     0.7     0.7
ZS 1  13:47:17   24    1.661     309.3     2.1     0.8     0.6
ZS 1  14:07:32   25    1.542     310.5     2.6     0.8     0.9
ZS 1  14:21:25   27    1.474     311.1     1.2     1.1     0.4
ZS 1  14:35:18   27    1.416     311.1     2.1     1.4     0.5
ZS 1  14:49:54   28    1.363     310.7     1.3     2.1     0.4
ZS 1  15:10:15   29    1.302     311.9     0.7     2.2     0.3
ZS 1  15:29:09   30    1.257     312.8     1.9     2.5     0.8
ZS 1  15:43:02   31    1.229     313.1     0.8     2.5     0.4
ZS 2  15:56:50   31    1.207     314.4     3.3     2.8     1.1
ZS 2  16:17:04   32    1.181     312.7     2.7     4.0     0.9
ZS 2  16:30:53   32    1.168     313.0     2.3     3.1     0.9
ZS 2  16:44:42   33    1.159     313.6     2.3     3.3     1.0
ZS 2  16:56:08   33    1.154     313.8     1.9     2.8     0.4
ZS 2  17:44:21   34    1.157     316.1     3.9     3.6     1.2
ZS 2  18:04:36   34    1.171     318.0     2.3     3.8     0.9
ZS 2  18:18:29   35    1.186     319.3     2.3     3.4     0.9
ZS 2  18:32:17   35    1.203     320.0     2.9     3.9     1.1
ZS 2  18:46:06   36    1.225     319.9     1.7     3.3     0.7
ZS 2  19:06:19   36    1.266     320.2     2.4     3.2     0.5
ZS 2  19:20:08   36    1.300     320.7     1.3     3.5     0.6
ZS 2  19:33:56   36    1.339     318.9     1.8     3.3     0.8
ZS 1  19:47:50   37    1.385     317.4     1.4     3.0     0.4
ZS 1  20:08:06   37    1.466     322.0     2.5     1.1     0.5
ZS 1  20:22:08   36    1.533     322.5     1.1     1.1     0.3
ZS 1  20:36:06   36    1.611     322.4     1.3     1.0     0.4
ZS 1  20:48:08   36    1.688     323.2     0.9     0.3     0.3
ZS 1  21:08:26   36    1.846     322.1     1.4     0.2     0.5
ZS 1  21:27:17   35    2.030     324.0     1.9    -0.1     0.4
ZS 0  21:41:17   35    2.200     334.2     0.8     0.5     0.9
ZS 0  21:55:06   34    2.402     337.4     2.3     0.6     0.9
ZS 0  22:12:02   33    2.714     347.3     4.8     2.1     1.1
ZS 0  22:16:38   32    2.815     341.0     2.3     0.6     0.5
ZS 0  22:27:16   32    3.079     372.9     4.7     5.6     1.1

   DAILY MEANS   30    1.814     318.2             2.2
   STANDARD DEVIATION             12.8             2.2
                             42 / 42


     SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2017-04-27
     LOCAL SOLAR NOON = 17:15:25 GMT
 TIME-GMT  TEMP  ZENITH ANGLE  AIRMASS  UV INDEX  OZONE ERROR  CLEARNESS

 10:38:07    14     86.932      10.147    0.0     292.0   4.0      85
 11:05:41    14     82.104       6.249    0.1     310.0   3.0      89
 11:19:32    15     79.645       5.067    0.2     326.0   2.0      88
 11:33:23    16     77.170       4.232    0.3     311.0   2.0      87
 11:47:22    16     74.669       3.620    0.4     317.0   1.0      87
 12:07:36    17     71.020       2.989    0.6     308.0   1.0      86
 12:21:33    19     68.503       2.670    0.8     312.0   1.0      86
 12:35:25    20     66.000       2.417    1.0     317.0   1.0      81
 12:49:16    21     63.506       2.211    1.4     311.0   1.0      88
 13:09:28    22     59.891       1.973    1.7     314.0   1.0      85
 13:23:27    23     57.411       1.841    2.2     309.0   1.0      90
 13:37:21    24     54.973       1.730    2.4     312.0   1.0      84
 13:51:15    24     52.567       1.636    2.8     308.0   1.0      85
 14:11:30    26     49.138       1.522    3.6     306.0   1.0      92
 14:25:24    27     46.849       1.456    3.6     308.0   1.0      82
 14:39:17    27     44.629       1.400    4.2     308.0   1.0      87
 14:53:52    28     42.385       1.350    4.7     307.0   1.0      88
 15:19:14    30     38.738       1.279    5.6     306.0   1.0      91
 15:33:07    31     36.915       1.248    5.8     308.0   1.0      90
 15:47:00    31     35.243       1.222    6.2     304.0   1.0      91
 16:00:49    31     33.751       1.201    6.5     306.0   1.0      90
 16:21:03    32     31.931       1.177    6.6     314.0   1.0      89
 16:48:38    33     30.274       1.157    6.5     310.0   3.0      89
 17:00:03    33     29.906       1.152    6.6     329.0   5.0      94
 17:15:48    33     29.721       1.150    6.2     311.0   4.0      82
 17:24:59    33     29.789       1.151    5.8     355.0   4.0      88
 17:34:23    34     29.990       1.153    7.3     309.0   1.0      93
 17:48:20    34     30.533       1.160    6.9     308.0   1.0      88
 18:08:35    35     31.805       1.175    6.1     299.0   1.0      77
 18:22:28    35     32.977       1.190    5.4     325.0   1.0      79
 18:36:12    35     34.355       1.209    5.0     310.0   1.0      70
 18:50:00    36     35.919       1.233    6.0     310.0   1.0      89
 19:10:14    36     38.499       1.275    5.0     323.0   2.0      82
 19:24:07    36     40.424       1.310    4.0     314.0   1.0      69
 19:37:55    36     42.457       1.352    4.5     307.0   1.0      84
 19:51:48    37     44.595       1.400    3.6     306.0   1.0      72
 20:12:05    37     47.854       1.484    3.0     330.0   1.0      78
 20:26:06    36     50.186       1.554    3.3     315.0   1.0      91
 20:40:04    36     52.560       1.635    2.2     307.0   1.0      67
 20:52:06    36     54.639       1.716    2.3     323.0   1.0      85
 21:17:26    35     59.092       1.928    1.6     320.0   1.0      77
 21:31:15    35     61.552       2.075    1.2     321.0   1.0      70
 21:45:15    35     64.061       2.254    0.4     317.0   1.0      29
 21:59:05    33     66.550       2.468    0.5     362.0   1.0      47
 22:20:32    32     70.430       2.908    0.1     341.0   2.0      15

DAILY MEANS  29                  2.083            314.8            81
STANDARD DEVIATION                                 12.9            16
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170427 22:29
SXCN10 CWTO 280030
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170428 00:29
SXCN10 CWTO 280130
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170428 01:29
SXCN10 CWTO 280230
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170428 02:29
SXCN10 CWTO 280330
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170428 03:24
SXCN10 CWTO 280430
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11717.145
LATEST B-FILE TIMESTAMP:  20170428 04:20
SXCN10 CWTO 280530
*** NO VALID DATA FILES FOUND FOR BREWER #145 TODAY ***
=
LATEST B-FILE          :  C:/BR#145/DATA/B11817.145
LATEST B-FILE TIMESTAMP:  20170428 05:29