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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 ---------------------------------------------------------------------------------- 35.2 65.4 1 16.2 10 357.9 0.0 1.10 1.3 35.0 2 WSW Max >= 90.0: 0 Max <= 32.0: 2 Min <= 32.0: 8 Min <= 0.0: 0 Max Rain: 0.86 on day 1 Days of Rain: 4 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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