Monthly Climatological Summary for Dec 2015

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  42.3  51.2   15:14  33.9   07:03  22.7   0.0  0.00   5.4  20.0   11:51   WSW
02  37.3  40.9   00:00  32.2   23:52  27.7   0.0  0.01   5.5  23.0   13:28   WNW
03  37.8  48.1   14:54  31.0   23:48  27.2   0.0  0.00   1.4   9.0   04:21    NW
04  39.4  53.3   14:27  27.4   06:42  25.6   0.0  0.00   2.2  11.0   12:21     S
05  40.2  53.9   15:06  29.9   06:15  24.9   0.0  0.01   2.6  11.0   11:11    SE
06  41.7  47.5   13:01  31.3   07:20  23.3   0.0  0.00   2.3  11.0   10:18   WSW
07  42.5  48.3   15:35  38.1   19:59  22.5   0.0  0.00   1.9  12.0   11:25   SSW
08  52.2  62.7   14:50  36.7   00:21  12.8   0.0  0.00   5.2  16.0   20:34   SSW
09  50.8  58.4   14:48  43.5   07:13  14.2   0.0  0.00   4.1  16.0   11:49     W
10  56.0  67.0   13:04  44.8   22:31   9.3   0.2  0.00   5.5  22.0   11:16    SW
11  49.6  61.4   16:13  34.6   06:57  15.4   0.0  0.00   2.4  15.0   15:52     S
12  64.7  71.3   13:20  57.3   00:58   2.4   2.1  0.00   5.1  20.0   23:25     S
13  61.7  67.4   00:25  55.5   23:58   3.4   0.1  1.14   6.6  28.0   21:22   SSE
14  47.3  55.5   00:00  43.7   23:51  17.7   0.0  0.18   8.4  36.0   02:48   WSW
15  44.2  47.7   22:36  41.4   07:51  20.8   0.0  0.00   4.2  18.0   17:09    SE
16  46.9  55.7   09:51  33.9   23:58  18.1   0.0  0.21   6.6  28.0   12:51   WSW
17  33.4  35.3   12:29  31.2   22:56  31.6   0.0  0.00   4.5  16.0   02:05    NW
18  33.5  40.8   15:03  26.5   07:25  31.5   0.0  0.00   5.6  23.0   14:19     W
19  36.1  46.7   15:54  24.7   07:16  28.9   0.0  0.00   2.9  13.0   21:52     S
20  49.1  56.7   15:24  38.3   03:42  16.0   0.0  0.07   8.4  28.0   20:01     S
21  52.8  63.3   13:55  41.7   23:29  12.2   0.0  0.17   6.9  23.0   10:22   WSW
22  43.0  50.3   14:27  37.7   07:42  22.0   0.0  0.00   4.6  17.0   15:07   SSE
23  55.6  64.4   15:14  41.8   23:48   9.4   0.0  0.98   7.6  32.0   18:45    SW
24  43.3  50.0   14:02  34.6   04:12  21.7   0.0  0.00   2.7  15.0   13:19     S
25  41.8  48.2   15:08  34.7   07:34  23.2   0.0  0.00   3.8  15.0   10:23   ENE
26  45.9  48.7   19:33  41.3   00:00  19.1   0.0  3.75   4.1  25.0   23:57   ENE
27  39.2  43.8   00:11  37.4   23:55  25.8   0.0  1.25   8.0  33.0   21:47    NE
28  38.1  44.6   17:43  34.2   23:49  26.9   0.0  2.21   8.6  30.0   17:56     E
29  31.2  34.5   00:13  29.6   20:47  33.8   0.0  0.00   5.3  22.0   03:28   WNW
30  30.4  32.2   13:59  29.1   04:18  34.6   0.0  0.00   2.8  13.0   11:43    NW
31  30.5  34.3   15:30  28.7   21:52  34.6   0.0  0.00   3.7  15.0   02:20   WNW
----------------------------------------------------------------------------------
    43.8  71.3    12    24.7    19   659.3   2.4  9.98   4.8  36.0    14      SW

Max >=  90.0  0
Max <=  32.0  0
Min <=  32.0 10
Min <=   0.0  0
Max Rain: 3.75 on day 26
Days of Rain: 11 (>= 0.01 in)  8 (>= 0.10 in)  4 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration