Monthly Climatological Summary for Dec 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  52.5  66.1   14:15  44.0   00:45  12.5   0.0  0.03   3.1  16.0   15:05    SW
02  57.0  71.0   14:10  46.5   23:00   8.9   0.8  0.00   3.6  17.0   10:30   WSW
03  54.0  75.0   13:50  39.5   07:30  12.7   1.7  0.00   2.4  15.0   11:05    NW
04  43.2  51.9   14:00  35.5   07:35  21.7   0.0  0.00   3.3  16.0   11:00    SE
05  49.7  61.8   15:20  36.0   00:05  15.2   0.0  0.03   4.4  25.0   23:59   NNW
06  35.8  50.4   00:05  26.2   23:55  29.1   0.0  0.00   6.7  26.0   03:45    NW
07  27.6  31.6   15:15  23.4   05:35  37.2   0.0  0.00   3.7  17.0   18:45     S
08  36.8  50.1   14:45  21.5   02:50  28.1   0.0  0.00   2.6  12.0   05:25    SE
09  49.7  66.7   14:50  38.2   01:30  15.4   0.1  0.00   4.5  22.0   09:05   WSW
10  51.7  66.0   19:35  36.4   03:15  13.3   0.0  0.80   3.8  38.0   19:45    SW
11  40.9  62.6   00:20  32.9   23:30  24.0   0.0  0.00   8.5  36.0   03:35    SW
12  42.0  54.5   14:35  32.4   05:40  22.9   0.0  0.00   4.9  20.0   14:40     S
13  41.8  58.4   14:15  26.6   07:25  23.1   0.0  0.00   1.8  11.0   11:00     S
14  52.9  66.6   13:55  35.2   01:35  12.2   0.1  0.00   4.3  22.0   15:35     S
15  67.8  73.3   12:35  60.3   00:05   0.6   3.4  0.01  10.4  39.0   22:00   WNW
16  46.1  62.6   00:05  27.2   23:40  18.9   0.0  0.06   4.4  20.0   01:15    NW
17  33.4  38.7   11:20  26.6   02:50  31.5   0.0  0.32   2.7  18.0   12:55   NNW
18  34.2  37.9   12:35  26.1   23:59  30.5   0.0  0.14   2.6  17.0   05:20   NNW
19  28.1  39.2   14:53  18.4   06:52  36.7   0.0  0.00   1.5   8.0   13:51     S
20  34.3  48.8   14:07  21.9   04:41  30.5   0.0  0.00   2.8  16.0   12:05    NW
21  36.0  50.8   14:10  23.0   07:07  28.9   0.0  0.00   3.3  17.0   12:41     W
22  33.4  44.2   14:25  21.3   07:57  31.5   0.0  0.00   2.6  11.0   13:49   SSW
23  48.5  63.2   14:05  30.6   02:13  16.4   0.0  0.00   5.3  25.0   15:06   SSW
24  60.7  72.7   14:38  46.4   02:15   6.3   1.9  0.00   6.8  26.0   14:56   SSW
25  52.7  66.1   00:10  40.9   19:07  12.3   0.0  0.00   3.1  21.0   00:49    NW
26  45.6  58.7   23:59  38.3   07:13  19.4   0.0  0.01   4.6  24.0   21:16     S
27  53.8  62.9   03:42  41.2   20:55  11.2   0.0  0.00   5.4  21.0   09:59   ENE
28  41.9  45.9   15:44  37.8   06:41  23.1   0.0  1.59   4.1  18.0   05:55    NW
29  35.9  42.3   00:52  32.5   06:48  29.1   0.0  0.04   3.4  13.0   09:57   NNE
30  38.6  42.9   14:31  34.7   08:07  26.3   0.0  0.01   1.3   9.0   15:53     W
31  50.8  66.0   14:43  40.0   05:57  14.2   0.0  0.00   2.5  16.0   12:39   NNW
----------------------------------------------------------------------------------
    44.4  75.0     3    18.4    19   643.7   8.0  3.04   3.7  39.0    15     WSW

Max >=  90.0  0
Max <=  32.0  1
Min <=  32.0 12
Min <=   0.0  0
Max Rain: 1.59 on day 28
Days of Rain: 11 (>= 0.01 in)  4 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration