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Monthly Climatological Summary for Mar 2026
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 35.4 44.6 14:01 25.8 06:33 29.6 0.0 0.09 5.8 23.0 14:08 ENE
02 37.0 39.6 16:06 34.0 00:55 28.0 0.0 0.06 3.6 17.0 00:31 E
03 44.9 52.5 15:10 38.8 02:27 20.1 0.0 0.18 2.6 13.0 11:42 ESE
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39.1 52.5 3 25.8 1 77.6 0.0 0.33 4.0 23.0 1 E
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 1
Min <= 0.0 0
Max Rain: 0.18 on day 3
Days of Rain: 3 (>= 0.01 in) 1 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration