SXCN10 CWEZ 202238 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 DS 0 18:41:25 11 1.653 429.3 2.3 -0.2 0.6 DS 1 18:45:13 11 1.641 428.2 2.7 0.7 0.9 DS 0 18:49:42 11 1.628 430.3 1.7 -0.7 0.4 DS 1 18:56:15 12 1.610 429.7 6.2 -0.5 1.6 DAILY MEANS 10 2.240 435.2 -0.1 STANDARD DEVIATION 4.2 0.9 14 / 14 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 ZS 0 18:36:46 11 1.669 438.8 2.2 -5.5 0.3 ZS 0 19:13:56 12 1.569 438.0 1.5 -4.7 0.9 ZS 0 19:25:20 12 1.548 441.1 2.2 -2.7 0.6 ZS 0 19:30:30 12 1.540 438.8 3.9 -4.6 0.7 ZS 0 20:01:07 12 1.510 438.0 1.3 -2.9 0.6 ZS 0 20:06:48 12 1.508 440.1 2.6 -2.4 0.6 ZS 0 20:12:29 12 1.506 441.4 2.1 -3.3 0.9 ZS 0 20:18:09 11 1.505 441.0 2.8 -2.9 0.6 ZS 0 20:38:05 11 1.510 432.9 3.2 -1.3 1.0 ZS 0 20:58:04 11 1.526 433.7 2.3 -4.3 0.9 ZS 0 21:03:46 11 1.532 432.5 2.7 -3.7 0.7 ZS 0 21:09:26 11 1.540 432.4 1.0 -3.8 0.5 ZS 0 21:14:35 11 1.548 435.3 1.8 -3.3 0.6 ZS 0 21:19:44 11 1.556 435.4 1.8 -2.9 0.8 ZS 0 21:25:25 11 1.567 437.2 1.3 -2.5 0.6 ZS 0 21:31:05 11 1.579 437.4 1.9 -2.5 0.4 ZS 0 22:08:58 12 1.688 427.4 1.2 -4.0 0.5 ZS 0 22:14:40 12 1.710 426.7 1.9 -3.6 0.8 ZS 0 22:20:20 12 1.733 430.1 2.6 -3.1 1.2 DAILY MEANS 11 1.671 439.2 -4.0 STANDARD DEVIATION 7.6 1.4 25 / 25 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 18:27:31 12 54.301 1.702 0.7 454.0 2.0 38 19:04:40 12 51.237 1.589 1.3 415.0 1.0 48 19:51:52 12 48.967 1.516 1.2 421.0 1.0 40 20:28:06 11 48.617 1.506 1.1 426.0 1.0 37 20:48:51 11 48.980 1.517 1.0 433.0 1.0 34 21:35:53 11 51.259 1.589 0.8 434.0 1.0 33 21:59:43 11 53.114 1.656 1.1 419.0 1.0 48 DAILY MEANS 10 3.213 430.5 54 STANDARD DEVIATION 14.0 17 = Latest B-File : /datalocal/arqxozone/brewnet/Br#206/Data/B07925.206 Latest B-File timestamp: 20250320 22:25