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Monthly Climatological Summary for Jan 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 31.8 34.4 00:00 26.3 04:05 33.2 0.0 0.00 1.2 8.0 09:33 E
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31.8 34.4 1 26.3 1 33.2 0.0 0.00 1.2 8.0 1 E
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 1
Min <= 0.0 0
Max Rain: 0.00 on day 0
Days of Rain: 0 (>= 0.01 in) 0 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration