Monthly Climatological Summary for Dec 2010

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  28.5  34.6   14:44  24.7   07:22  36.5   0.0  0.00   7.3  27.0   06:28     W
02  33.2  46.2   15:29  25.6   00:20  31.8   0.0  0.00   1.9  12.0   13:46   SSE
03  30.6  35.8   23:47  25.1   05:30  34.4   0.0  0.00   3.2  14.0   22:01     E
04  32.1  35.8   00:20  28.3   23:52  32.9   0.0  0.00   6.2  30.0   12:23    NW
05  24.4  28.4   00:00  20.7   23:14  40.6   0.0  0.00   5.8  17.0   04:36   WNW
06  20.7  27.9   13:50  14.3   07:13  44.3   0.0  0.00   4.9  22.0   02:58   WNW
07  19.7  27.2   15:17  13.3   07:08  45.3   0.0  0.00   1.9  12.0   11:15    NW
08  22.5  32.3   15:39  14.4   06:45  42.5   0.0  0.00   1.9  12.0   12:23   WNW
09  30.8  40.8   14:43  19.3   03:29  34.2   0.0  0.00   4.9  21.0   18:31   SSE
10  40.8  54.1   15:35  29.9   06:42  24.2   0.0  0.00   2.2  12.0   02:07   SSW
11  33.9  44.8   13:30  17.5   23:57  31.1   0.0  0.32   7.0  35.0   18:48   WSW
12  16.2  24.8   06:11   7.0   23:54  48.8   0.0  0.01  10.4  31.0   06:09   WNW
13   7.8  15.6   14:54   1.0   07:07  57.2   0.0  0.00   4.9  22.0   00:06   WNW
14  12.9  20.5   23:58   3.2   05:32  52.1   0.0  0.00   2.2  10.0   19:19   ESE
15  24.9  28.0   16:25  20.4   00:00  40.1   0.0  0.00   5.7  18.0   13:36   ESE
16  27.3  28.4   14:01  25.8   07:56  37.7   0.0  0.02   4.1  22.0   12:48    NW
17  24.1  29.3   15:04  17.7   07:24  40.9   0.0  0.00   2.2  13.0   01:47     W
18  26.8  33.8   13:28  20.0   07:24  38.2   0.0  0.00   2.4  13.0   12:38     W
19  30.5  37.1   15:17  24.4   01:11  34.5   0.0  0.01   1.0   8.0   10:34   SSE
20  37.8  44.0   12:36  30.5   07:09  27.2   0.0  0.00   4.4  20.0   15:34    SE
21  38.6  41.6   15:54  31.5   23:56  26.4   0.0  0.00   2.0  17.0   23:26   NNE
22  27.1  31.5   00:00  22.2   05:51  37.9   0.0  0.00   4.5  17.0   07:50    NW
23  30.0  32.8   15:16  24.7   05:47  35.0   0.0  0.00   2.0  10.0   10:15     E
24  30.9  32.4   01:51  29.3   08:48  34.1   0.0  0.12   2.1  12.0   06:47   ESE
25  27.3  29.5   00:00  22.8   23:55  37.7   0.0  0.01   4.5  21.0   17:33   NNW
26  21.7  27.2   14:44  15.6   21:48  43.3   0.0  0.00   5.1  16.0   04:19   WNW
27  19.0  27.1   13:56  14.5   07:29  46.0   0.0  0.00   2.1  12.0   19:24   NNE
28  28.7  39.4   14:14  16.3   04:17  36.3   0.0  0.00   1.4  15.0   11:24    SW
29  35.4  43.8   22:02  28.1   06:55  29.6   0.0  0.00   3.4  17.0   21:31    SE
30  52.6  57.6   14:41  42.2   02:06  12.4   0.0  0.00   9.0  31.0   10:29   SSE
31  55.4  63.0   11:15  35.4   23:58   9.6   0.0  0.44   6.9  24.0   03:47     S
----------------------------------------------------------------------------------
    28.8  63.0    31     1.0    13  1122.8   0.0  0.93   4.1  35.0    11       W

Max >=  90.0  0
Max <=  32.0 13
Min <=  32.0 29
Min <=   0.0  0
Max Rain: 0.44 on day 31
Days of Rain: 7 (>= 0.01 in)  3 (>= 0.10 in)  0 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration