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Monthly Climatological Summary for Aug 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 69.9 77.6 14:58 66.2 06:17 0.0 4.9 0.15 5.3 20.0 16:18 WNW
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69.9 77.6 1 66.2 1 0.0 4.9 0.15 5.3 20.0 1 WNW
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 0.15 on day 1
Days of Rain: 1 (>= 0.01 in) 1 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration