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Monthly Climatological Summary for May 2024
Name: OFallon Weather City: OFallon State: MO
Elevation: 532 ft Lat: N 38° 50' 20" Lon: W 090° 43' 42"
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
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01 70.3 79.5 17:27 59.9 06:26 0.6 5.9 0.00 2.8 17.0 21:01 E
02 70.0 84.6 14:46 58.6 06:27 1.5 6.4 0.49 3.9 28.0 18:16 SSW
03 65.3 74.6 17:09 59.8 06:18 2.0 2.2 0.33 1.6 10.0 08:01 NE
04 68.8 83.7 15:33 57.7 03:38 1.9 5.8 0.00 3.4 23.0 16:11 WSW
05 61.7 68.2 15:29 50.7 05:57 4.1 0.8 0.04 1.7 11.0 11:33 ENE
06 67.3 77.4 16:53 59.9 05:15 1.8 4.0 0.42 3.0 16.0 15:40 SSE
07 71.8 83.2 16:15 57.5 23:50 0.8 7.7 0.71 4.9 26.0 11:32 SW
08 62.6 70.7 15:33 51.2 05:11 3.8 1.4 0.41 2.9 24.0 14:26 SE
09 66.6 75.5 16:16 58.1 23:57 1.5 3.1 0.00 5.6 25.0 11:44 WNW
10 61.8 72.9 17:28 53.1 05:56 4.8 1.6 0.00 2.9 15.0 14:13 WNW
11 66.0 77.2 15:50 53.5 06:15 3.3 4.3 0.00 3.9 18.0 11:45 WNW
12 70.0 82.4 16:07 54.0 06:16 2.7 7.7 0.00 3.4 17.0 09:11 SSW
13 66.5 75.2 13:07 61.1 04:48 0.8 2.3 0.05 3.4 26.0 13:52 S
14 65.6 73.2 16:54 61.6 12:09 0.6 1.2 1.57 2.1 13.0 18:07 NE
15 66.8 79.5 17:02 60.0 05:28 1.7 3.5 0.00 2.3 12.0 03:05 NNW
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66.7 84.6 2 50.7 5 31.9 57.9 4.02 3.2 28.0 2 SW
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.57 on day 14
Days of Rain: 8 (>= 0.01 in) 6 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration