SXCN10 CWTO 051831 PRELIMINARY ZENITH SKY DATA TORONTO OZONE - BREWER # 019 PRELIMINARY DATA - LOCAL DATE 2025-01-05 LATITUDE - 43.781 : LONGITUDE - 79.468 LOCAL SOLAR NOON = 17:23:26 GMT ETC'S - O3/SO2 - 3140 / 3200 : ABSORPTION - 0.3422 / 1.1475 TYPE TIME-GMT TEMP AIRMASS OZONE ERROR SO2 ERROR ZS 0 15:08:24 2 3.335 388.2 3.7 -10.9 0.8 ZS 0 15:13:32 2 3.250 382.4 5.0 -9.7 0.7 ZS 0 15:23:39 2 3.102 383.3 4.0 -9.8 1.2 ZS 0 15:28:50 3 3.035 378.4 3.8 -8.6 0.9 ZS 0 15:53:22 3 2.783 377.6 3.4 -8.2 1.3 ZS 0 16:03:30 3 2.705 373.7 3.4 -8.0 0.9 ZS 0 16:08:05 3 2.673 373.9 2.2 -8.2 0.6 ZS 0 16:12:40 3 2.645 369.1 2.7 -7.1 1.1 ZS 0 16:17:43 3 2.616 369.6 2.7 -7.0 0.8 ZS 0 16:22:46 3 2.589 369.2 3.9 -7.0 1.2 ZS 0 16:33:22 3 2.542 368.9 4.3 -6.7 1.2 ZS 0 16:38:25 4 2.523 367.3 1.9 -6.4 0.6 ZS 0 16:43:28 4 2.506 366.1 3.9 -6.0 0.8 ZS 0 16:48:31 4 2.491 365.2 2.7 -5.6 0.7 ZS 0 16:53:34 4 2.479 365.0 2.7 -5.8 0.8 ZS 0 16:58:36 4 2.469 365.4 3.1 -5.7 0.7 ZS 0 17:03:47 4 2.460 368.3 3.2 -6.1 0.6 ZS 0 17:18:12 4 2.446 367.0 3.8 -5.6 0.9 ZS 0 17:23:15 4 2.445 368.1 2.7 -6.4 0.8 ZS 0 17:35:11 5 2.450 368.1 4.7 -6.6 1.0 DAILY MEANS 3 2.677 371.7 -7.3 STANDARD DEVIATION 6.8 1.5 20 / 20 SUMMARY OF BREWER UVB SCAN MEASUREMENTS FOR 2025-01-05 LOCAL SOLAR NOON = 17:23:26 GMT TIME-GMT TEMP ZENITH ANGLE AIRMASS UV INDEX OZONE ERROR CLEARNESS 12:59:13 1 89.695 12.042 0.0 322.0 2.0 67 13:11:30 1 87.846 10.996 0.0 310.0 2.0 75 13:20:23 1 86.539 9.764 0.0 323.0 4.0 78 13:51:48 1 82.132 6.265 0.1 326.0 3.0 77 14:13:24 1 79.329 4.943 0.2 339.0 2.0 66 15:00:21 2 73.987 3.483 0.3 353.0 2.0 50 15:37:46 2 70.606 2.931 0.2 350.0 1.0 33 16:27:53 3 67.525 2.565 0.4 337.0 1.0 36 17:12:43 3 66.353 2.450 0.5 341.0 1.0 43 17:29:20 4 66.320 2.447 0.4 343.0 1.0 38 17:44:02 4 66.473 2.461 0.4 339.0 1.0 31 DAILY MEANS 2 5.486 334.8 54 STANDARD DEVIATION 13.1 19 = Latest B-File : /datalocal/arqxozone/brewnet/Br#019/Data/B00525.019 Latest B-File timestamp: 20250105 17:54