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Report for 2019 12
 Monthly Climatological Summary for Dec 2019 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 38.0 48.4 12:00a 33.3 10:09p 27.0 0.0 0.01 11.1 34.0 3:32p W 2 33.6 39.6 3:11p 28.0 11:33p 31.4 0.0 0.00 5.1 21.0 12:03a NW 3 39.3 50.9 3:27p 27.7 12:27a 25.7 0.0 0.00 4.4 17.0 3:16p WSW 4 45.5 56.0 1:59p 38.2 10:54p 19.5 0.0 0.00 4.5 18.0 3:37a WNW 5 48.3 62.0 2:05p 32.0 7:10a 16.7 0.0 0.00 2.6 14.0 1:16p SSW 6 40.9 52.6 12:00a 29.7 11:14p 24.1 0.0 0.00 3.2 20.0 6:53a N 7 34.7 46.5 3:13p 22.9 7:03a 30.3 0.0 0.00 1.8 10.0 11:26a S 8 46.1 58.0 2:19p 34.6 12:00a 18.8 0.0 0.00 5.6 22.0 1:17p S 9 44.3 53.6 12:36p 24.4 11:53p 20.7 0.0 0.02 7.0 31.0 3:45p W 10 25.9 33.9 3:48p 20.3 6:23a 39.1 0.0 0.00 3.6 19.0 1:08a W 11 31.8 46.2 2:43p 19.6 5:09a 33.2 0.0 0.00 3.2 21.0 10:58a W 12 42.8 53.4 3:22p 28.6 12:37a 22.2 0.0 0.00 5.7 23.0 12:02p SSW 13 41.6 48.7 12:26p 36.3 7:44a 23.4 0.0 0.00 1.4 9.0 2:13a S ---------------------------------------------------------------------------------- 39.4 62.0 5 19.6 11 332.1 0.0 0.03 4.6 34.0 1 W Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 9 Min <= 0.0: 0 Max Rain: 0.02 on day 9 Days of Rain: 2 (>= 0.01 in) 0 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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