Monthly Climatological Summary for Dec 2018

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  55.7  65.4   13:30  47.6   02:09   9.3   0.0  0.86   4.4  30.0   19:09   SSE
02  43.1  56.3   00:13  38.2   23:31  22.0   0.0  0.00   6.6  35.0   11:15   WSW
03  35.1  38.3   00:19  32.9   23:54  29.9   0.0  0.00   1.2  16.0   05:42    NW
04  30.8  33.4   12:39  27.4   23:29  34.2   0.0  0.06   1.0  19.0   22:44   WNW
05  35.4  45.2   15:16  27.2   00:47  29.6   0.0  0.06   0.2  13.0   10:20   WSW
06  33.9  40.2   00:41  23.8   23:55  31.1   0.0  0.12   0.5  15.0   05:03    NW
07  25.1  30.6   13:21  20.8   04:38  39.9   0.0  0.00   0.0  10.0   13:47     N
08  25.3  31.0   13:56  21.6   23:56  39.7   0.0  0.00   0.4  15.0   11:28     E
09  24.5  34.7   15:03  16.5   07:24  40.5   0.0  0.00   0.2  10.0   05:15   NNE
10  27.2  41.0   15:29  16.2   07:44  37.7   0.0  0.00   0.0   8.0   14:22     N
11  40.6  53.8   14:52  28.3   05:54  24.4   0.0  0.00   0.5  17.0   13:40    SW
12  45.4  54.1   15:44  37.3   23:42  19.6   0.0  0.00   0.7  17.0   00:30   WSW
13  42.2  46.6   14:36  34.0   02:35  22.8   0.0  0.40   0.0   7.0   12:58     S
14  41.2  44.4   00:00  38.5   23:45  23.8   0.0  0.06   1.6  24.0   19:46     N
15  40.7  49.6   15:03  36.5   07:54  24.3   0.0  0.02   0.7  15.0   04:12     N
16  43.8  58.1   14:44  32.5   05:50  21.2   0.0  0.00   0.1  13.0   12:53     W
17  40.3  52.8   14:51  31.3   07:16  24.7   0.0  0.00   0.0   9.0   08:32     N
18  39.0  51.9   14:51  26.8   04:38  26.0   0.0  0.00   0.0  10.0   10:04   SSE
19  45.9  54.9   14:15  34.7   07:18  19.1   0.0  0.02   0.2  12.0   10:00   SSW
20  42.4  48.0   00:00  35.9   23:30  22.6   0.0  0.24   4.0  20.0   22:37    NW
21  32.5  35.9   00:00  25.8   22:31  32.5   0.0  0.00   3.7  21.0   01:13    NW
22  36.8  54.3   15:33  22.8   04:45  28.1   0.0  0.00   0.2  14.0   11:24   SSW
23  35.9  44.8   15:03  28.6   05:33  29.1   0.0  0.00   0.4  18.0   14:21    NW
24  40.7  50.2   13:29  30.9   07:27  24.3   0.0  0.00   0.0  12.0   02:20    SW
25  42.3  49.8   13:12  37.1   23:19  22.7   0.0  0.00   0.0   5.0   03:22     N
26  42.3  50.7   13:36  33.1   06:44  22.7   0.0  0.00   1.9  23.0   20:48    SE
27  52.1  59.4   17:08  44.6   02:26  12.9   0.0  0.73   3.4  35.0   10:38   SSE
28  32.9  48.9   00:00  27.3   23:55  32.1   0.0  0.00   2.6  24.0   00:49     W
29  27.1  30.5   15:29  24.0   09:18  37.9   0.0  0.00   0.1  15.0   00:05   WNW
30  32.4  42.6   21:39  21.8   03:58  32.6   0.0  0.13   0.0  13.0   22:11     S
31  41.3  46.1   15:05  38.6   02:28  23.7   0.0  1.79   1.4  29.0   16:02     W
----------------------------------------------------------------------------------
    37.9  65.4     1    16.2    10   841.0   0.0  4.49   1.2  35.0     2       W

Max >=  90.0  0
Max <=  32.0  3
Min <=  32.0 17
Min <=   0.0  0
Max Rain: 1.79 on day 31
Days of Rain: 12 (>= 0.01 in)  7 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration