SXCN10 CWEZ 201838 PRELIMINARY DIRECT SUN DATA SATURNA ISLAND OZONE - BREWER # 206 PRELIMINARY DATA - LOCAL DATE 2025-03-20 LATITUDE - 48.775 : LONGITUDE - 123.128 LOCAL SOLAR NOON = 20:19:49 GMT ETC'S - O3/SO2 - 1635 / 170 : ABSORPTION - 0.3406 / 1.1441 TYPE TIME-GMT TEMP AIRMASS OZONE ERROR SO2 ERROR DS 0 15:56:38 8 3.532 435.8 1.3 -0.1 0.4 DS 0 16:10:49 9 3.141 435.7 2.3 -0.1 1.5 DS 0 16:14:37 9 3.052 433.5 4.7 1.3 2.2 DS 1 16:37:29 9 2.618 437.2 2.7 -0.1 0.8 DS 1 16:45:03 10 2.505 438.4 0.7 0.1 0.3 DS 0 16:59:08 10 2.323 440.2 2.3 -2.6 2.0 DS 2 17:30:48 10 2.020 439.1 1.5 0.3 0.4 DS 2 17:37:12 10 1.973 438.4 0.7 0.4 0.4 DS 1 17:57:34 11 1.843 437.3 6.8 0.4 2.3 DS 0 18:01:23 11 1.822 439.2 1.9 -0.5 0.6 DAILY MEANS 10 2.483 437.5 -0.1 STANDARD DEVIATION 2.0 1.0 10 / 10 PRELIMINARY ZENITH SKY DATA SATURNA ISLAND OZONE - BREWER # 206 PRELIMINARY DATA - LOCAL DATE 2025-03-20 LATITUDE - 48.775 : LONGITUDE - 123.128 LOCAL SOLAR NOON = 20:19:49 GMT ETC'S - O3/SO2 - 1635 / 170 : ABSORPTION - 0.3406 / 1.1441 TYPE TIME-GMT TEMP AIRMASS OZONE ERROR SO2 ERROR ZS 0 16:49:32 10 2.443 451.3 4.3 -6.8 0.9 ZS 0 17:17:42 10 2.131 455.5 2.7 -6.5 0.8 ZS 0 17:23:11 10 2.083 452.3 2.8 -6.4 0.7 ZS 0 18:05:58 11 1.798 447.5 2.0 -5.3 0.4 ZS 0 18:16:59 12 1.746 447.9 1.4 -5.0 0.6 ZS 0 18:22:40 12 1.722 447.5 2.5 -4.8 1.1 DAILY MEANS 11 1.987 450.3 -5.8 STANDARD DEVIATION 3.3 0.9 6 / 6 SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2025-03-20 LOCAL SOLAR NOON = 20:19:49 GMT TIME-GMT TEMP ZENITH ANGLE AIRMASS UV INDEX OZONE ERROR CLEARNESS 14:38:37 8 86.835 10.052 0.0 429.0 6.0 76 14:47:25 8 85.387 8.673 0.0 405.0 11.0 68 15:24:38 8 79.323 4.941 0.1 450.0 4.0 48 16:02:31 8 73.318 3.358 0.4 447.0 2.0 81 16:29:21 9 69.231 2.755 0.6 443.0 1.0 82 17:08:40 10 63.606 2.219 0.7 426.0 3.0 61 17:45:36 11 58.850 1.915 1.0 425.0 2.0 61 DAILY MEANS 9 4.845 432.1 68 STANDARD DEVIATION 15.8 12 = Latest B-File : /datalocal/arqxozone/brewnet/Br#206/Data/B07925.206 Latest B-File timestamp: 20250320 18:25