MONTHLY CLIMATOLOGICAL SUMMARY for Sep 2026 NAME: CasCom Office, Yellowknife ELEV: 189 meters LAT: 62-25.74 N LONG: 114-24.60 W TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/h) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 16.3 20.9 15:13 11.6 04:53 2.0 0.0 0.0 13.1 37.0 14:05 73 02 17.6 23.5 16:55 13.4 06:27 0.7 0.0 0.0 3.5 24.1 11:19 110 03 16.6 19.9 14:16 12.3 23:59 1.7 0.0 0.0 9.6 38.6 19:46 305 04 11.0 13.4 17:31 8.6 08:42 7.3 0.0 0.0 12.9 46.7 13:25 322 05 10.6 15.6 13:01 7.7 23:59 7.8 0.0 0.6 6.5 30.6 16:08 3 06 11.4 15.6 15:28 7.6 03:13 6.9 0.0 0.2 12.4 27.4 10:57 58 07 13.8 16.8 15:18 9.6 23:58 4.5 0.0 0.2 6.6 29.0 01:24 146 08 12.2 16.7 18:41 6.8 03:34 6.2 0.0 6.6 7.8 43.5 23:20 94 09 13.8 18.0 13:01 11.3 07:18 4.5 0.0 5.8 8.0 41.8 00:07 54 10 12.8 15.6 15:16 9.9 23:08 5.5 0.0 0.0 20.0 51.5 18:02 345 11 8.3 11.4 15:08 4.8 23:59 10.0 0.0 0.0 11.3 41.8 01:11 313 12 10.7 14.8 18:37 4.8 00:00 7.6 0.0 1.2 4.9 27.4 16:28 197 13 11.2 13.3 13:49 8.6 23:47 7.1 0.0 0.8 7.1 37.0 08:30 308 14 8.2 11.7 16:23 5.9 23:59 10.1 0.0 0.4 4.6 25.7 14:08 286 15 5.3 8.1 15:35 2.7 07:01 13.0 0.0 0.2 8.9 29.0 18:19 285 16 3.6 7.8 14:36 -1.6 07:28 14.7 0.0 0.2 6.8 25.7 17:03 115 17 8.1 10.3 16:11 4.7 23:55 10.2 0.0 2.8 10.5 38.6 16:11 114 18 8.9 15.2 17:38 3.4 02:04 9.5 0.0 1.4 2.2 19.3 15:07 193 19 11.0 15.9 17:02 7.1 03:15 7.3 0.0 0.4 9.4 38.6 15:09 104 20 11.4 16.3 18:01 6.1 06:25 7.0 0.0 0.2 4.3 25.7 13:49 133 21 13.8 18.3 16:06 10.9 23:00 4.5 0.0 0.0 6.8 32.2 11:20 177 22 9.7 15.9 15:21 5.0 07:24 8.6 0.0 0.0 1.4 12.9 16:44 153 23 9.0 13.4 18:12 4.4 04:56 9.4 0.0 1.2 6.3 40.2 22:06 96 24 8.3 10.2 15:36 5.8 23:42 10.1 0.0 2.8 4.7 30.6 17:35 211 25 6.8 11.6 14:59 2.4 07:53 11.5 0.0 0.4 3.0 20.9 23:56 86 26 5.8 7.1 00:02 2.6 23:32 12.5 0.0 0.0 15.4 49.9 21:00 359 27 3.0 5.5 14:11 -0.7 23:41 15.3 0.0 0.0 13.7 38.6 00:07 336 28 2.7 5.5 18:49 -1.5 05:23 15.7 0.0 0.4 7.7 30.6 19:07 44 29 4.8 6.9 16:23 3.4 23:59 13.6 0.0 0.0 15.6 43.5 10:05 9 30 3.8 7.5 16:11 0.0 08:32 14.5 0.0 0.0 6.0 24.1 17:00 295 --------------------------------------------------------------------------------------- 9.7 23.5 02 -1.6 16 259.3 0.0 25.8 8.4 51.5 10 11