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Monthly Climatological Summary for Jan 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 33.1 39.9 14:32 26.2 22:36 31.9 0.0 0.00 5.6 25.0 10:26 WNW
02 35.2 43.6 14:55 26.7 04:45 29.8 0.0 0.00 3.4 17.0 21:19 WSW
03 29.5 34.3 14:12 24.7 07:18 35.5 0.0 0.00 5.4 19.0 09:19 NW
04 26.2 28.0 19:30 23.8 06:51 38.8 0.0 0.00 3.3 14.0 22:10 ENE
05 23.1 26.2 00:00 19.0 23:58 41.9 0.0 0.00 6.7 21.0 17:27 NE
06 19.9 24.0 13:57 15.9 06:50 45.1 0.0 0.00 5.9 17.0 02:39 NW
07 18.9 25.3 12:57 11.2 21:24 46.1 0.0 0.13 3.6 13.0 13:17 WNW
08 18.3 27.7 13:22 11.7 00:00 46.7 0.0 0.09 3.6 16.0 12:43 WNW
09 21.4 32.6 13:04 5.9 04:42 43.6 0.0 0.02 3.0 15.0 13:38 S
10 29.9 32.9 14:02 27.9 02:49 35.0 0.0 0.01 3.2 17.0 23:29 WSW
11 31.2 36.5 14:43 25.7 07:43 33.4 0.0 0.23 5.2 19.0 01:38 SSW
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26.1 43.6 2 5.9 9 427.8 0.0 0.48 4.4 25.0 1 WNW
Max >= 90.0 0
Max <= 32.0 5
Min <= 32.0 11
Min <= 0.0 0
Max Rain: 0.23 on day 11
Days of Rain: 5 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration