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Monthly Climatological Summary for Apr 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 47.8 58.1 15:41 33.2 06:24 17.2 0.0 0.00 5.9 26.0 10:23 SE
02 66.5 79.8 14:07 56.7 00:08 2.0 3.6 0.90 8.4 46.0 11:31 S
03 52.3 59.4 00:00 47.7 23:57 12.7 0.0 0.27 2.3 13.0 03:29 W
04 47.4 50.5 17:13 45.7 23:56 17.6 0.0 2.12 3.9 30.0 15:09 NE
05 44.6 47.0 10:33 43.4 20:31 20.4 0.0 0.49 5.2 20.0 15:36 NNW
06 44.9 52.4 18:00 38.7 23:58 20.1 0.0 0.00 3.9 17.0 04:52 NNE
07 46.4 61.3 14:04 34.0 07:06 18.6 0.0 0.00 5.1 22.0 17:18 NW
08 41.9 52.8 18:02 28.2 06:53 23.0 0.0 0.00 2.9 15.0 22:47 SE
09 53.8 70.1 17:27 41.5 01:59 11.8 0.6 0.00 4.6 27.0 11:28 S
10 54.4 68.3 13:38 44.1 05:50 10.8 0.2 0.11 2.9 36.0 16:47 WNW
11 48.4 53.0 16:38 40.1 23:44 16.6 0.0 0.00 3.0 17.0 06:56 N
12 51.5 65.0 17:06 34.7 05:37 13.5 0.0 0.00 3.3 18.0 22:53 SSE
13 67.2 85.3 17:53 50.4 06:03 4.6 6.9 0.00 6.5 30.0 13:55 S
14 62.7 69.6 02:13 53.8 23:17 3.2 0.8 0.00 6.0 22.0 13:16 WNW
15 52.5 62.3 16:35 43.8 06:27 12.5 0.0 0.00 8.3 30.0 11:41 WNW
16 58.3 73.3 15:35 38.9 06:57 8.7 2.0 0.00 4.0 21.0 18:02 S
17 66.7 80.0 17:58 53.0 09:44 3.6 5.2 0.20 7.7 29.0 15:59 S
18 71.4 77.6 11:45 63.2 04:32 0.1 6.5 0.01 3.7 25.0 14:53 SSW
19 53.8 65.9 00:00 51.1 14:21 11.2 0.0 1.51 2.7 18.0 02:10 NW
20 60.4 77.9 17:04 51.7 00:41 7.0 2.4 1.03 6.0 37.0 17:18 SE
21 59.0 71.2 17:06 51.7 08:01 6.9 0.9 0.00 5.1 24.0 04:31 W
22 65.4 81.2 16:49 46.9 05:08 5.5 6.0 0.00 3.4 20.0 12:52 S
23 66.5 78.4 16:15 49.5 06:04 3.5 5.0 0.00 2.1 13.0 13:54 SE
24 69.6 82.6 15:36 53.5 06:22 2.8 7.4 0.00 2.6 15.0 13:16 SSE
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56.4 85.3 13 28.2 8 253.9 47.6 6.64 4.6 46.0 2 SSW
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 1
Min <= 0.0 0
Max Rain: 2.12 on day 4
Days of Rain: 9 (>= 0.01 in) 8 (>= 0.10 in) 3 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration