Monthly Climatological Summary for Jan 2009

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
----------------------------------------------------------------------------------
11  33.9  41.3   16:06  28.8   23:58  10.3   0.0  0.00   2.4  14.0   16:06   NNW
12  32.3  42.2   15:54  23.3   03:17  32.7   0.0  0.00   3.8  27.0   23:08   WNW
13  19.4  33.9   00:01  13.5   08:31  45.6   0.0  0.00   7.9  34.0   01:02   SSE
14  22.8  39.5   09:22   4.4   23:57  42.2   0.0  0.00   9.5  36.0   10:09    NW
15   3.9  11.3   15:05  -2.3   07:14  61.1   0.0  0.00   5.0  23.0   15:30   NNW
16   7.6  15.8   23:55  -1.8   02:44  57.4   0.0  0.00   5.1  19.0   15:52   SSE
17  30.2  43.1   14:28  15.5   01:17  34.8   0.0  0.00  10.0  28.0   11:50     W
18  34.7  37.5   15:44  31.2   05:32  30.3   0.0  0.00   5.7  22.0   13:15   NNW
19  25.0  33.0   00:01  17.1   07:37  40.0   0.0  0.00   6.9  22.0   00:27    NW
20  21.8  28.2   15:23  18.2   04:04  43.2   0.0  0.00   5.1  20.0   07:35   SSW
21  31.5  47.9   16:09  18.1   03:43  33.0   0.0  0.00   4.4  17.0   10:58   SSW
22  42.9  57.9   15:51  27.9   04:33  22.0   0.0  0.00   3.7  14.0   12:15     S
23  35.1  45.0   00:01  20.9   23:58  29.9   0.0  0.00   6.1  22.0   20:49    NW
24  14.3  21.6   15:22   6.9   07:23  50.7   0.0  0.00   4.4  19.0   01:40   NNE
25  13.0  15.4   13:50  10.5   08:08  52.0   0.0  0.03   2.6   9.0   07:07   NNE
26  15.0  17.6   14:54  12.7   00:20  50.0   0.0  0.03   3.1  12.0   21:46    NE
27  15.1  16.4   09:55  14.2   21:02  49.9   0.0  0.32   4.4  14.0   08:19     N
28  18.4  25.0   15:35  11.9   07:37  46.6   0.0  0.03   4.4  17.0   14:53    SW
29  27.9  35.7   15:04  19.2   06:02  37.1   0.0  0.00   6.0  20.0   15:08     W
30  27.1  33.0   15:11  20.4   07:16  37.9   0.0  0.00   2.1  18.0   00:17   ESE
31  39.0  55.9   16:01  17.3   03:32  26.0   0.0  0.00   6.3  24.0   21:41   SSW
----------------------------------------------------------------------------------
    24.3  57.9    22    -2.3    15   832.7   0.0  0.41   5.3  36.0    14     WNW

Max >=  90.0  0
Max <=  32.0  8
Min <=  32.0 21
Min <=   0.0  2
Max Rain: 0.32 on day 27
Days of Rain: 4 (>= 0.01 in)  1 (>= 0.10 in)  0 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration