V/Λ SELECT: Month and Year
OR > Month
Monthly Climatological Summary for Aug 2021
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 72.4 84.4 14:50 62.0 04:25 0.6 8.1 0.00 2.6 13.0 14:55 NW
02 71.1 80.9 14:55 62.7 06:35 0.4 6.5 0.00 1.9 13.0 14:05 NE
03 71.1 81.4 14:50 61.1 06:20 0.9 6.9 0.00 1.5 12.0 13:00 NNE
04 71.5 84.6 16:05 58.6 06:30 1.7 8.1 0.00 1.4 11.0 16:30 WNW
05 73.1 84.0 13:55 59.4 05:40 1.1 9.2 0.00 2.5 14.0 14:00 S
06 77.1 88.4 15:55 67.9 05:30 0.0 12.0 0.00 3.6 12.0 15:20 SSW
07 81.1 91.8 16:10 70.1 06:10 0.0 16.1 0.00 3.9 15.0 16:10 S
08 77.7 91.4 15:15 69.9 16:35 0.0 12.7 0.61 4.9 37.0 15:50 S
09 82.3 94.6 16:40 71.3 03:15 0.0 17.3 0.00 4.0 16.0 13:05 S
10 83.6 91.6 12:05 79.8 06:00 0.0 18.6 0.00 4.8 16.0 10:55 SSW
11 86.4 96.0 16:15 77.6 06:20 0.0 21.3 0.00 5.7 23.0 15:30 SSW
12 81.6 98.3 15:10 67.6 18:55 0.0 16.6 1.13 4.4 41.0 18:10 SSW
13 76.0 89.1 16:00 66.1 05:15 0.0 11.0 0.01 1.7 11.0 19:05 WNW
14 74.0 84.0 15:55 64.4 06:40 0.0 9.0 0.00 1.5 10.0 11:30 ESE
15 72.7 82.9 15:50 63.2 06:40 0.2 7.8 0.00 2.2 14.0 17:00 NE
16 72.5 83.5 16:05 60.2 06:25 0.9 8.4 0.00 1.6 10.0 12:05 ENE
17 76.0 87.6 15:45 65.8 04:55 0.0 10.9 0.00 1.0 10.0 11:35 NNE
18 77.3 88.8 13:35 66.9 06:35 0.0 12.3 0.00 1.9 16.0 15:10 SSW
19 77.2 88.0 16:10 66.0 06:45 0.0 12.2 0.00 1.7 9.0 11:35 E
20 79.7 90.6 15:40 69.2 05:50 0.0 14.7 0.01 2.8 15.0 12:35 S
21 79.1 88.6 15:25 72.8 23:50 0.0 14.0 0.00 2.9 16.0 17:05 W
22 77.2 90.4 16:10 65.4 06:45 0.0 12.2 0.00 1.7 10.0 14:00 NW
23 78.8 97.5 15:00 69.4 04:05 0.0 13.7 0.99 3.0 37.0 16:20 SW
24 84.1 97.3 16:10 71.3 06:05 0.0 19.0 0.00 2.9 16.0 15:00 S
25 86.5 96.6 15:05 78.3 06:40 0.0 21.5 0.00 2.6 12.0 05:35 WSW
26 81.3 93.4 12:05 74.5 23:50 0.0 16.3 0.00 2.6 19.0 15:20 E
27 81.7 93.1 14:00 69.8 06:00 0.0 16.6 0.00 2.7 13.0 14:25 S
28 83.3 93.7 16:50 72.9 07:05 0.0 18.3 0.00 3.7 22.0 17:25 S
29 82.2 93.1 15:10 73.3 06:40 0.0 17.1 0.00 3.4 17.0 15:30 WSW
30 78.3 88.9 14:05 72.4 23:59 0.0 13.3 0.01 2.0 14.0 16:00 SSE
31 76.0 86.6 16:25 69.2 05:20 0.0 10.9 0.21 2.0 16.0 19:05 NNE
----------------------------------------------------------------------------------
78.2 98.3 12 58.6 4 5.8 412.6 2.97 2.7 41.0 12 SSW
Max >= 90.0 15
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.13 on day 12
Days of Rain: 7 (>= 0.01 in) 4 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration