V/Λ SELECT: Month and Year
OR > Month
Monthly Climatological Summary for Sep 2015
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
----------------------------------------------------------------------------------
01 81.3 90.4 15:24 72.7 06:27 0.0 16.3 0.00 3.3 15.0 16:13 SSW
02 80.4 90.3 14:33 71.3 05:57 0.0 15.4 0.00 2.4 13.0 09:42 SW
03 81.7 92.6 16:48 73.4 04:18 0.0 16.7 0.00 2.3 12.0 11:41 SW
04 81.4 92.7 15:31 70.1 06:23 0.0 16.4 0.00 1.5 10.0 11:57 SW
05 81.7 92.2 15:31 70.6 06:54 0.0 16.7 0.00 1.6 11.0 11:53 S
06 82.3 93.1 15:29 70.6 05:54 0.0 17.3 0.00 2.5 13.0 15:59 SSW
07 78.8 88.1 14:42 70.9 06:53 0.0 13.8 0.03 2.2 12.0 14:22 SSW
08 77.3 84.1 12:33 70.0 23:39 0.0 12.3 0.11 3.5 20.0 09:53 SW
09 74.1 82.4 17:11 68.6 23:57 0.0 9.1 0.08 1.3 10.0 14:54 NNE
10 74.7 86.9 16:05 64.5 06:10 0.0 9.7 0.00 1.5 16.0 20:32 SW
11 67.0 74.2 14:48 57.3 23:56 1.0 3.1 0.24 4.4 20.0 14:48 N
12 57.9 66.2 16:43 50.1 06:37 7.2 0.0 0.00 3.2 18.0 11:07 NNW
13 60.7 73.9 16:20 46.6 06:06 6.5 2.2 0.00 2.1 14.0 13:25 SW
14 69.2 81.7 15:57 58.1 05:22 2.0 6.2 0.00 5.7 20.0 15:29 S
15 71.1 83.2 16:42 57.2 06:19 1.0 7.2 0.00 4.3 20.0 15:52 S
16 73.4 86.3 15:17 58.3 06:57 0.9 9.3 0.00 3.9 18.0 16:45 S
17 78.8 89.7 15:44 68.0 06:01 0.0 13.8 0.00 5.4 21.0 17:07 SSW
18 80.0 88.8 13:34 71.2 09:38 0.0 15.0 0.34 4.4 21.0 18:17 SSW
19 66.5 78.8 00:00 56.6 23:59 1.5 3.0 0.00 3.9 19.0 02:16 NNW
20 62.3 73.7 17:00 51.2 07:07 5.2 2.5 0.01 1.2 13.0 10:32 ESE
21 64.3 79.0 16:11 50.6 06:58 4.7 4.0 0.00 1.3 13.0 14:49 S
22 68.8 83.5 16:25 54.3 06:34 2.7 6.5 0.00 0.8 8.0 10:18 SSE
23 69.7 84.6 14:35 56.5 06:39 2.1 6.8 0.00 0.9 11.0 16:51 ESE
24 69.0 83.2 15:27 57.2 05:45 2.1 6.1 0.00 1.0 13.0 14:43 E
25 69.2 83.2 16:29 56.2 07:06 2.2 6.4 0.01 1.5 13.0 14:05 NE
26 67.7 75.2 14:56 58.1 06:21 1.6 4.3 0.00 2.6 18.0 13:13 E
27 70.2 76.7 12:54 65.1 04:55 0.0 5.2 0.00 1.1 8.0 15:23 SE
28 72.0 82.2 15:59 64.4 05:55 0.0 7.0 0.00 1.2 11.0 16:33 S
29 68.8 78.3 15:00 61.5 23:55 0.4 4.2 0.54 2.4 17.0 16:15 NNE
30 61.0 69.2 16:03 54.6 23:59 4.6 0.6 0.00 4.4 17.0 03:49 NNE
----------------------------------------------------------------------------------
72.0 93.1 6 46.6 13 45.7 257.1 1.36 2.6 21.0 17 SSW
Max >= 90.0 6
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 0.54 on day 29
Days of Rain: 8 (>= 0.01 in) 4 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration