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                   Monthly Climatological Summary for Dec 2017

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  44.0  56.1   15:00  28.0   06:40  21.0   0.0  0.00   1.9  11.0   12:31     S
02  50.5  63.3   15:06  37.8   06:43  14.0   0.0  0.00   1.4   8.0   14:32    SW
03  52.2  65.4   13:15  36.2   04:44  12.7   0.0  0.00   3.9  18.0   22:00   SSE
04  62.0  69.7   12:10  45.1   23:58   3.9   0.8  0.11   9.6  31.0   22:22   SSW
05  38.0  45.1   00:00  31.6   07:23  27.0   0.0  0.01   7.3  29.0   14:06     W
06  39.7  47.5   15:21  33.7   06:15  25.3   0.0  0.00   6.7  21.0   21:24     W
07  27.1  35.1   00:00  20.7   23:50  37.9   0.0  0.00   5.9  25.0   00:26   WNW
08  27.6  38.8   15:49  17.8   05:15  37.4   0.0  0.00   4.0  15.0   10:34   WSW
09  30.4  35.9   12:14  22.9   23:52  34.6   0.0  0.00   6.3  24.0   11:41   WNW
10  36.5  51.6   15:06  22.6   00:48  28.5   0.0  0.00   4.9  23.0   11:00     W
11  43.4  55.6   11:42  30.0   02:09  21.6   0.0  0.00   7.7  33.0   16:05   WNW
12  31.3  40.7   00:00  25.7   07:41  33.7   0.0  0.00   6.3  25.0   00:08    NW
13  41.7  57.8   14:51  27.3   00:00  23.3   0.0  0.00   9.0  36.0   13:20     W
14  31.1  37.8   00:00  28.6   23:34  33.9   0.0  0.00   3.3  17.0   00:01   NNW
15  35.8  43.7   15:42  28.6   00:09  29.2   0.0  0.00   4.3  20.0   11:48     W
16  48.1  62.1   14:41  35.8   00:06  16.9   0.0  0.00   6.1  24.0   08:53    SW
17  48.2  53.6   14:14  44.3   05:08  16.8   0.0  0.00   3.1  14.0   17:27    SW
18  47.6  53.7   15:05  43.6   22:51  17.4   0.0  0.00   4.8  19.0   02:34   WSW
19  45.1  52.0   14:05  37.4   06:18  19.9   0.0  0.00   2.5  13.0   08:59     W
20  40.7  49.6   14:54  34.6   08:27  24.3   0.0  0.00   2.6  12.0   09:05   ENE
21  46.4  57.9   14:13  31.5   02:31  18.6   0.0  0.00   3.7  19.0   12:33   SSE
22  40.5  51.0   02:03  35.1   23:29  24.5   0.0  0.02   4.2  16.0   03:13    NW
23  31.2  35.7   14:27  26.7   08:36  33.8   0.0  0.16   3.5  15.0   03:21   NNW
24  24.1  28.8   00:00  19.5   23:56  40.9   0.0  0.00   5.0  26.0   14:13    NW
25  23.4  28.4   14:08  18.9   05:21  41.6   0.0  0.00   3.7  12.0   00:11   WNW
26  13.2  23.3   00:00   7.9   23:56  51.8   0.0  0.00   3.7  12.0   02:51   NNE
27   7.3  12.3   16:09   0.5   07:26  57.7   0.0  0.00   2.0  14.0   12:30    NE
28  14.6  20.0   23:38   8.7   04:20  50.4   0.0  0.00   3.1  11.0   03:08   SSE
29  21.7  25.9   15:15  13.7   05:27  43.3   0.0  0.00   2.0  12.0   12:56    SE
30  13.8  23.3   00:00   4.1   22:52  51.2   0.0  0.00   4.1  18.0   05:58   NNW
31   5.9  11.4   14:46   0.5   23:56  59.1   0.0  0.00   4.5  16.0   14:10   NNW
----------------------------------------------------------------------------------
    34.3  69.7     4     0.5    27   952.2   0.8  0.30   4.6  36.0    13       W

Max >=  90.0  0
Max <=  32.0  8
Min <=  32.0 21
Min <=   0.0  0
Max Rain: 0.16 on day 23
Days of Rain: 4 (>= 0.01 in)  2 (>= 0.10 in)  0 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration

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