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Monthly Climatological Summary for Oct 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 88.2 16:22 59.1 07:05 1.4 7.6 0.00 0.8 11.0 14:23 ESE
02 74.2 89.0 15:31 61.2 07:03 0.7 9.9 0.00 0.9 11.0 16:11 SSE
03 76.3 89.0 15:58 64.0 05:56 0.0 11.3 0.00 2.5 14.0 10:14 SSW
04 72.5 85.6 15:57 58.1 06:46 1.1 8.6 0.00 3.0 18.0 15:59 S
05 71.0 85.7 15:40 54.9 07:08 2.1 8.1 0.00 3.3 20.0 12:55 S
06 72.7 85.3 15:16 60.0 07:19 0.9 8.7 0.00 1.7 12.0 20:41 S
07 63.9 70.3 00:00 54.3 23:46 2.0 1.0 0.00 2.1 23.0 07:01 NNW
08 59.3 74.4 14:37 47.1 07:11 7.8 2.2 0.00 1.4 15.0 13:24 NE
09 58.2 74.1 15:18 44.5 07:37 8.8 2.0 0.00 1.2 11.0 12:21 ESE
10 59.4 74.5 15:20 46.8 04:32 7.2 1.5 0.02 1.6 23.0 10:28 SW
11 64.4 76.6 15:00 56.3 05:45 3.2 2.6 0.00 0.9 10.0 12:07 ESE
12 66.1 80.8 15:54 51.2 06:53 4.0 5.1 0.00 2.3 17.0 12:28 SSE
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67.4 89.0 2 44.5 9 39.3 68.7 0.02 1.8 23.0 7 S
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 0.02 on day 10
Days of Rain: 1 (>= 0.01 in) 0 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration