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Monthly Climatological Summary for Dec 2014
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 26.4 31.3 13:11 22.6 06:02 38.6 0.0 0.00 0.0 0.0 00:00 E
02 29.6 35.2 23:09 24.2 07:15 35.4 0.0 0.00 0.0 0.0 00:00 E
03 35.0 43.6 13:21 28.4 07:46 30.0 0.0 0.00 0.0 0.0 00:00 E
04 35.1 39.2 23:32 31.8 08:03 29.9 0.0 0.02 0.0 0.0 00:00 E
05 41.4 44.3 15:52 39.0 00:09 23.6 0.0 1.10 0.7 26.0 23:06 ENE
06 37.0 40.5 00:56 32.1 23:58 28.0 0.0 0.01 4.3 17.0 18:20 N
07 34.4 40.0 14:39 26.3 07:19 30.6 0.0 0.00 2.3 13.0 10:24 ESE
08 42.1 48.2 15:45 37.7 00:04 22.9 0.0 0.00 0.4 9.0 00:02 S
09 34.7 39.6 00:00 32.7 06:26 30.4 0.0 0.00 3.1 20.0 05:29 NNW
10 33.9 36.1 13:04 32.4 23:32 31.1 0.0 0.00 1.8 12.0 12:20 NE
11 33.1 38.1 15:12 30.4 06:56 31.9 0.0 0.00 1.5 22.0 14:16 E
12 41.6 50.9 13:12 33.4 00:02 23.4 0.0 0.00 2.0 23.0 07:29 ESE
13 46.9 56.5 13:27 34.4 08:15 18.1 0.0 0.00 2.2 11.0 13:27 S
14 53.8 64.1 15:04 48.6 04:24 11.2 0.0 0.00 3.6 12.0 10:10 SSE
15 49.4 54.0 15:54 42.1 23:56 15.6 0.0 0.09 6.7 26.0 06:45 S
16 35.1 42.2 00:00 30.0 23:57 29.9 0.0 0.00 9.7 32.0 05:59 W
17 31.1 36.6 13:46 28.6 07:14 33.9 0.0 0.05 3.3 15.0 00:39 NW
18 30.5 33.1 15:38 27.8 07:29 34.5 0.0 0.02 1.6 9.0 01:42 E
19 33.5 36.3 14:01 31.0 07:00 31.5 0.0 0.07 1.7 10.0 23:47 ESE
20 38.0 42.1 15:28 33.9 03:54 27.0 0.0 0.04 2.4 10.0 09:55 SSE
21 41.3 44.4 13:13 39.6 07:02 23.7 0.0 0.01 4.8 17.0 16:02 SSE
22 44.3 49.5 21:40 38.7 06:44 20.7 0.0 0.06 4.3 17.0 21:04 SE
23 44.5 51.4 15:19 39.9 07:37 20.5 0.0 0.02 3.0 17.0 02:17 SW
24 37.4 40.1 00:00 36.0 22:55 27.6 0.0 0.00 4.7 22.0 15:33 WNW
25 42.6 53.6 15:22 33.1 07:12 22.4 0.0 0.01 6.2 21.0 20:42 S
26 49.5 59.9 14:44 39.5 01:18 15.5 0.0 0.00 5.8 20.0 11:08 S
27 41.0 49.7 04:56 32.5 23:38 24.0 0.0 0.00 5.2 20.0 09:43 W
28 30.8 37.0 15:08 24.5 23:32 34.2 0.0 0.01 2.4 14.0 01:33 NW
29 29.5 38.2 15:24 20.5 07:58 35.5 0.0 0.10 2.0 16.0 10:46 NE
30 23.8 31.0 00:00 17.1 23:53 41.2 0.0 0.00 5.7 25.0 01:50 NNW
31 19.4 26.3 15:05 11.1 07:19 45.6 0.0 0.00 3.7 22.0 23:32 W
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37.0 64.1 14 11.1 31 868.4 0.0 1.61 3.1 32.0 16 SW
Max >= 90.0 0
Max <= 32.0 3
Min <= 32.0 14
Min <= 0.0 0
Max Rain: 1.10 on day 5
Days of Rain: 14 (>= 0.01 in) 2 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration