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Report for 2018 12
 Monthly Climatological Summary for Dec 2018 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 55.7 65.4 1:30p 47.6 2:09a 9.3 0.0 0.86 4.4 30.0 7:09p SSE 2 43.1 56.3 12:13a 38.2 11:31p 22.0 0.0 0.00 6.6 35.0 11:15a WSW 3 35.1 38.3 12:19a 32.9 11:54p 29.9 0.0 0.00 1.2 16.0 5:42a NW 4 30.8 33.4 12:39p 27.4 11:29p 34.2 0.0 0.06 1.0 19.0 10:44p WNW 5 35.4 45.2 3:16p 27.2 12:47a 29.6 0.0 0.06 0.2 13.0 10:20a WSW 6 33.9 40.2 12:41a 23.8 11:55p 31.1 0.0 0.12 0.5 15.0 5:03a NW 7 25.1 30.6 1:21p 20.8 4:38a 39.9 0.0 0.00 0.0 10.0 1:47p --- 8 25.3 31.0 1:56p 21.6 11:56p 39.7 0.0 0.00 0.4 15.0 11:28a E 9 24.5 34.7 3:03p 16.5 7:24a 40.5 0.0 0.00 0.2 10.0 5:15a NNE 10 27.2 41.0 3:29p 16.2 7:44a 37.7 0.0 0.00 0.0 8.0 2:22p --- 11 40.6 53.8 2:52p 28.3 5:54a 24.4 0.0 0.00 0.5 17.0 1:40p SW 12 45.4 54.1 3:44p 37.3 11:42p 19.6 0.0 0.00 0.7 17.0 12:30a WSW 13 42.2 46.6 2:36p 34.0 2:35a 22.8 0.0 0.40 0.0 7.0 12:58p S 14 41.2 44.4 12:00a 38.5 11:45p 23.8 0.0 0.06 1.6 24.0 7:46p N 15 40.7 49.6 3:03p 36.5 7:54a 24.3 0.0 0.02 0.7 15.0 4:12a N 16 43.8 58.1 2:44p 32.5 5:50a 21.2 0.0 0.00 0.1 13.0 12:53p W 17 40.3 52.8 2:51p 31.3 7:16a 24.7 0.0 0.00 0.0 9.0 8:32a --- 18 39.0 51.9 2:51p 26.8 4:38a 26.0 0.0 0.00 0.0 10.0 10:04a SSE 19 45.9 54.9 2:15p 34.7 7:18a 19.1 0.0 0.02 0.2 12.0 10:00a SSW 20 42.4 48.0 12:00a 35.9 11:30p 22.6 0.0 0.24 4.0 20.0 10:37p NW 21 32.5 35.9 12:00a 25.8 10:31p 32.5 0.0 0.00 3.7 21.0 1:13a NW 22 36.8 54.3 3:33p 22.8 4:45a 28.1 0.0 0.00 0.2 14.0 11:24a SSW 23 35.9 44.8 3:03p 28.6 5:33a 29.1 0.0 0.00 0.4 18.0 2:21p NW 24 40.7 50.2 1:29p 30.9 7:27a 24.3 0.0 0.00 0.0 12.0 2:20a SW 25 42.3 49.8 1:12p 37.1 11:19p 22.7 0.0 0.00 0.0 5.0 3:22a --- 26 42.3 50.7 1:36p 33.1 6:44a 22.7 0.0 0.00 1.9 23.0 8:48p SE 27 52.1 59.4 5:08p 44.6 2:26a 12.9 0.0 0.73 3.4 35.0 10:38a SSE 28 32.9 48.9 12:00a 27.3 11:55p 32.1 0.0 0.00 2.6 24.0 12:49a W 29 27.1 30.5 3:29p 24.0 9:18a 37.9 0.0 0.00 0.1 15.0 12:05a WNW 30 32.4 42.6 9:39p 21.8 3:58a 32.6 0.0 0.13 0.0 13.0 10:11p S 31 41.3 46.1 3:05p 38.6 2:28a 23.7 0.0 1.79 1.4 29.0 4:02p W ---------------------------------------------------------------------------------- 37.9 65.4 1 16.2 10 841.0 0.0 4.49 1.2 35.0 2 W Max >= 90.0: 0 Max <= 32.0: 3 Min <= 32.0: 17 Min <= 0.0: 0 Max Rain: 1.79 on day 31 Days of Rain: 12 (>= 0.01 in) 7 (>= 0.10 in) 1 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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