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Report for 2021 09
Monthly Climatological Summary for Sep 2021 Name: ofallonweather.com City: O'Fallon State: MO Elevation: 550 ft Lat: N 38° 50' 20" Lon: W 090° 43' 43" Temperature (°F), Rain (in), Wind Speed (mph) Heat Cool Avg Mean Deg Deg Wind Dom Day Temp High Time Low Time Days Days Rain Speed High Time Dir ---------------------------------------------------------------------------------- 1 72.6 83.5 3:56p 64.8 11:57p 0.0 7.6 0.01 2.8 15.0 2:35p NE 2 69.5 81.9 3:16p 56.8 6:29a 1.7 6.2 0.00 2.1 16.0 4:19p SE 3 69.8 78.2 5:47p 60.1 6:00a 1.0 5.8 0.07 2.8 14.0 9:53a S 4 72.9 77.1 4:36p 69.3 11:24p 0.0 7.9 0.28 3.5 19.0 10:44a WSW 5 71.7 83.5 3:57p 61.1 6:34a 0.4 7.1 0.00 2.2 11.0 3:08p NNW 6 74.4 88.3 4:14p 61.1 6:02a 0.4 9.9 0.00 2.9 13.0 3:41p WSW 7 78.5 91.0 3:34p 66.6 4:34a 0.0 13.5 0.00 4.9 20.0 3:08p SW 8 71.9 82.9 3:09p 59.9 11:35p 0.7 7.6 0.00 3.9 17.0 12:57p NW 9 68.1 82.0 3:42p 55.8 6:18a 2.7 5.8 0.00 2.3 13.0 12:05p NW 10 71.4 86.1 3:24p 55.8 3:42a 2.7 9.1 0.00 3.7 17.0 3:41p S 11 78.3 90.0 3:08p 67.6 6:43a 0.0 13.3 0.00 5.4 19.0 8:56a SW 12 79.4 90.1 2:59p 71.5 7:20a 0.0 14.4 0.00 6.0 21.0 3:44p SW 13 77.8 90.3 3:02p 62.0 5:14a 0.2 12.9 0.00 4.5 22.0 4:19p SSW 14 77.8 92.1 3:17p 70.4 10:06p 0.0 12.8 0.00 4.9 21.0 9:41a WSW 15 71.7 83.6 4:28p 61.5 11:57p 0.2 6.9 0.00 2.3 13.0 11:05a NE 16 69.8 86.3 4:30p 55.2 5:42a 2.7 7.6 0.00 1.6 11.0 11:26a SE 17 74.7 90.1 2:21p 60.4 5:07a 1.1 10.9 0.00 1.3 10.0 2:44p ESE 18 76.8 91.3 4:16p 63.5 7:13a 0.1 11.9 0.00 1.5 11.0 12:25p E 19 75.2 87.2 4:36p 65.1 6:53a 0.0 10.2 0.00 3.0 18.0 3:39p SSE 20 78.2 87.3 3:36p 69.7 7:03a 0.0 13.2 0.00 5.3 19.0 10:50a S 21 65.2 77.8 12:00a 58.9 11:58p 1.3 1.6 0.68 4.2 19.0 12:24a NNW 22 60.9 71.6 4:55p 52.1 11:58p 5.6 1.5 0.00 4.2 22.0 12:05p NNW 23 59.0 74.3 4:24p 46.0 6:49a 8.3 2.3 0.00 2.3 15.0 3:12p NW 24 65.3 81.3 2:52p 47.3 3:49a 5.5 5.8 0.00 4.1 21.0 3:57p SW 25 62.3 76.9 4:43p 51.5 5:24a 5.6 2.8 0.06 3.0 16.0 12:31p WNW 26 68.1 86.3 4:26p 47.7 4:59a 5.0 8.1 0.00 4.6 23.0 3:14p SSW 27 78.3 92.1 2:54p 65.2 11:57p 0.0 13.3 0.00 5.3 22.0 6:16a SW 28 75.1 91.8 2:42p 58.5 7:16a 0.7 10.8 0.00 2.0 11.0 9:49a SW 29 73.7 87.9 2:54p 60.0 7:09a 0.9 9.6 0.00 1.7 15.0 3:51p SSE 30 70.9 86.8 1:33p 63.4 6:29a 0.2 6.1 0.00 1.6 21.0 3:57p S ---------------------------------------------------------------------------------- 72.0 92.1 14 46.0 23 47.0 256.5 1.10 3.3 23.0 26 SW Max >= 90.0: 9 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.68 on day 21 Days of Rain: 5 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration