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Monthly Climatological Summary for Jun 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 74.6 85.5 15:47 65.1 07:17 0.0 9.6 1.69 2.1 17.0 05:45 W
02 71.8 80.7 15:55 61.0 23:58 0.3 7.1 0.00 3.5 16.0 15:20 E
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73.2 85.5 1 61.0 2 0.3 16.8 1.69 2.8 17.0 1 E
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.69 on day 1
Days of Rain: 1 (>= 0.01 in) 1 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration