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Report for 2018 05
 Monthly Climatological Summary for May 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 73.2 86.2 3:37p 54.6 6:10a 1.7 9.9 0.00 5.7 24.0 10:17a SSW 2 77.6 87.3 5:49p 68.6 5:38a 0.0 12.6 0.00 6.6 24.0 10:00a SSW 3 69.3 76.9 12:37a 65.0 7:12a 0.0 4.3 1.51 6.5 28.0 5:52p SSW 4 68.4 73.5 6:33p 58.9 11:05p 0.5 3.9 0.00 4.1 23.0 12:36a W 5 68.3 80.4 4:16p 54.7 4:37a 2.5 5.8 0.00 1.5 13.0 12:13p NNW 6 70.2 84.4 4:04p 34.7 6:50p 0.7 5.9 0.30 2.8 22.0 6:50p W 7 67.6 78.7 4:24p 56.2 6:29a 1.9 4.4 0.00 1.2 14.0 1:13p E 8 69.0 80.7 4:54p 50.8 6:01a 3.2 7.2 0.00 3.4 17.0 1:25p SE 9 76.0 88.2 4:59p 64.7 7:12a 0.0 11.0 0.13 4.4 21.0 1:14p SW 10 75.5 89.0 3:37p 59.5 6:26a 0.4 10.9 0.00 1.0 18.0 10:34a W 11 77.0 88.8 6:06p 66.5 6:21a 0.0 12.0 0.00 4.3 26.0 1:04p SSW 12 78.7 89.2 5:19p 71.3 6:18a 0.0 13.7 0.00 3.8 20.0 5:30p SSW 13 80.4 90.3 4:58p 71.5 6:09a 0.0 15.4 0.00 2.8 15.0 9:39a SW 14 76.2 89.1 3:41p 65.2 6:25p 0.0 11.2 0.34 3.5 33.0 5:21p SW 15 71.9 81.6 4:32p 65.5 3:49a 0.0 6.9 0.00 2.1 13.0 5:08a NW 16 70.9 81.4 6:05p 61.2 6:29a 0.5 6.4 0.00 1.9 12.0 2:50p NNE 17 73.0 82.2 4:17p 63.7 5:56a 0.1 8.1 0.00 0.9 13.0 11:09a ENE 18 65.9 68.1 3:51p 64.5 7:42a 0.0 0.9 0.57 1.4 9.0 3:54p N 19 68.8 79.1 2:06p 63.5 6:46a 0.1 4.0 0.17 1.9 23.0 2:40p WSW ---------------------------------------------------------------------------------- 72.5 90.3 13 34.7 6 11.6 154.5 3.02 3.2 33.0 14 SW Max >= 90.0: 1 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.51 on day 3 Days of Rain: 6 (>= 0.01 in) 6 (>= 0.10 in) 1 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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