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Monthly Climatological Summary for Dec 2023
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 45.7 53.8 13:51 40.9 22:48 19.0 0.0 0.38 4.9 18.0 12:18 SW
02 39.6 41.0 00:00 38.0 07:17 25.4 0.0 0.17 2.3 14.0 02:08 WSW
03 43.2 50.7 14:53 38.8 18:49 21.8 0.0 0.04 4.0 20.0 08:27 WSW
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42.8 53.8 1 38.0 2 66.3 0.0 0.59 3.7 20.0 3 WSW
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 0.38 on day 1
Days of Rain: 3 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration