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Monthly Climatological Summary for Apr 2013
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 41.5 49.7 00:00 34.6 23:32 23.5 0.0 0.00 4.7 18.0 16:51 NNW
02 37.9 47.6 17:42 27.2 06:33 27.1 0.0 0.00 1.4 15.0 16:17 N
03 42.1 51.3 16:36 32.3 06:41 22.9 0.0 0.00 3.3 16.0 15:17 ENE
04 47.5 59.2 16:46 34.1 07:00 17.5 0.0 0.00 1.4 12.0 13:37 NE
05 53.1 65.0 17:16 40.1 06:59 11.9 0.0 0.00 2.1 11.0 21:59 NNE
06 64.1 74.0 17:44 51.6 05:50 4.2 3.2 0.00 7.7 32.0 11:50 S
07 67.2 78.3 15:15 53.4 07:34 1.6 3.8 0.00 3.7 23.0 23:36 SE
08 69.7 79.3 15:47 61.7 04:29 0.8 5.5 0.00 6.5 26.0 01:01 S
09 70.3 78.2 17:16 64.5 04:55 0.0 5.4 0.00 6.1 30.0 11:01 S
10 63.7 71.5 14:39 56.8 22:22 2.6 1.2 0.72 3.5 39.0 19:51 NNE
11 45.2 59.0 00:26 40.2 20:59 19.8 0.0 0.60 6.7 21.0 12:07 WSW
12 40.6 43.6 16:42 35.3 06:49 24.4 0.0 0.12 6.0 23.0 11:23 W
13 47.7 59.3 15:30 36.2 04:00 17.3 0.0 0.03 3.9 19.0 09:38 W
14 64.1 79.7 14:42 47.1 06:01 5.7 4.8 0.00 7.8 32.0 18:44 SSE
15 58.9 65.9 13:58 48.9 23:58 6.1 0.0 0.25 3.8 29.0 23:45 SSW
16 45.6 48.9 00:00 43.3 07:51 19.4 0.0 0.61 4.2 19.0 05:12 NNE
17 62.6 85.2 17:01 47.8 05:25 7.6 5.1 0.00 5.1 25.0 23:03 SE
18 58.9 76.2 00:00 40.3 23:53 8.7 2.6 1.70 8.8 38.0 23:38 SW
19 42.8 50.1 16:29 37.2 08:01 22.2 0.0 0.00 10.2 35.0 17:43 W
20 44.4 54.3 17:03 31.4 06:23 20.6 0.0 0.00 2.7 13.0 11:15 NNE
21 52.4 63.2 15:48 42.9 06:29 12.6 0.0 0.00 4.2 18.0 11:04 SE
22 59.4 71.9 16:56 41.9 06:23 7.4 1.8 0.00 2.8 21.0 18:04 SE
23 50.1 61.8 00:00 38.6 23:27 14.9 0.0 0.94 2.7 20.0 14:37 NNW
24 43.3 53.1 17:38 35.2 07:35 21.6 0.0 0.03 5.0 23.0 06:27 WNW
25 51.6 63.7 17:27 41.3 02:31 13.4 0.0 0.00 3.8 18.0 13:41 W
26 53.4 60.1 16:31 46.9 05:51 11.6 0.0 0.00 4.4 21.0 12:24 S
27 50.5 52.0 13:34 48.3 06:18 14.5 0.0 0.60 2.8 12.0 00:02 E
28 53.2 57.2 17:46 49.0 23:58 11.8 0.0 0.00 3.3 16.0 11:09 WNW
29 64.8 82.5 16:49 45.1 06:28 6.4 6.3 0.01 3.6 20.0 23:14 SSE
30 75.1 87.5 15:59 60.4 06:12 0.3 10.4 0.00 5.8 24.0 16:50 S
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54.1 87.5 30 27.2 2 378.4 50.1 5.61 4.6 39.0 10 SSW
Max >= 90.0 0
Max <= 32.0 0
Min <= 32.0 2
Min <= 0.0 0
Max Rain: 1.70 on day 18
Days of Rain: 11 (>= 0.01 in) 8 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration