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Monthly Climatological Summary for Aug 2025
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 71.2 80.0 15:31 63.2 06:21 0.1 6.3 0.00 3.0 16.0 12:59 NE
02 68.7 78.2 15:01 59.8 06:22 1.2 4.9 0.00 2.1 18.0 14:59 ENE
03 68.9 79.4 16:20 57.1 05:37 2.0 5.9 0.00 1.7 13.0 16:30 NE
04 73.7 84.6 13:34 62.3 05:51 0.4 9.1 0.00 1.9 16.0 15:18 N
05 75.4 86.5 16:15 67.4 04:28 0.0 10.4 0.00 1.8 9.0 00:28 ENE
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71.6 86.5 5 57.1 3 3.7 36.7 0.00 2.1 18.0 2 NE
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
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