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                   Monthly Climatological Summary for May 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
----------------------------------------------------------------------------------
01  55.2  61.9   03:29  47.5   23:59   9.8   0.0  0.04   3.5  21.0   11:51     W
02  56.1  65.1   16:31  47.1   00:26   8.9   0.0  0.01   1.7  12.0   15:34   SSE
03  57.9  64.2   14:21  50.3   05:53   7.1   0.0  0.00   1.7  14.0   12:36   NNE
04  58.7  69.2   17:56  47.7   06:35   7.1   0.8  0.00   1.9  11.0   15:12     E
05  63.2  74.9   16:24  48.6   04:49   4.9   3.1  0.00   2.2  15.0   13:58    SW
06  62.8  69.8   16:28  57.4   05:24   3.1   0.9  0.13   3.1  15.0   15:10   SSW
07  68.2  81.5   18:19  58.1   06:03   2.2   5.4  0.05   3.4  15.0   14:36   NNW
08  63.8  71.4   18:41  59.1   12:35   2.4   1.2  0.65   2.4  19.0   12:37     W
09  60.2  67.4   17:16  52.7   23:54   5.1   0.3  0.00   4.3  18.0   09:08   WNW
10  56.6  65.3   11:58  44.5   06:04   8.4   0.0  0.00   2.5  13.0   13:30   WNW
11  60.3  70.1   17:29  52.2   23:29   5.4   0.8  0.00   2.4  14.0   12:46    SE
12  61.9  73.0   15:29  47.2   05:52   5.4   2.3  0.00   5.0  27.0   14:52   SSE
13  70.2  83.3   14:46  59.9   04:47   1.1   6.3  0.13   7.2  32.0   09:19    NW
14  65.4  74.7   17:10  58.3   06:17   1.7   2.2  0.00   2.7  15.0   00:02   ESE
15  69.6  84.1   15:23  59.6   00:01   1.6   6.2  0.57   5.6  44.0   18:41   SSE
16  57.9  62.3   01:52  47.4   23:59   7.1   0.0  0.01   5.5  23.0   17:15    NW
17  53.7  64.4   17:05  39.4   06:01  11.3   0.0  0.00   2.5  14.0   13:33   ENE
18  59.2  71.5   16:41  44.0   05:23   7.0   1.2  0.00   3.9  18.0   09:31   SSE
19  66.1  80.8   17:08  46.8   05:47   4.3   5.4  0.00   3.9  15.0   09:00     S
20  69.3  81.6   17:20  51.8   06:11   2.2   6.5  0.00   4.4  18.0   10:31     S
21  71.9  84.3   17:28  55.5   06:27   1.6   8.5  0.00   2.0  16.0   12:35   SSE
22  74.4  84.8   14:26  62.1   05:09   0.3   9.7  0.00   1.2   9.0   11:34    SW
23  74.0  83.7   14:52  64.6   06:06   0.0   9.0  0.00   1.7  11.0   07:12   SSW
24  71.9  82.9   14:44  65.7   05:36   0.0   6.9  0.00   2.0  18.0   15:42    NE
25  67.2  74.0   15:05  61.9   06:59   0.6   2.8  1.05   3.2  16.0   21:51   ENE
26  72.3  80.8   17:29  66.6   05:26   0.0   7.3  0.18   4.1  25.0   14:06     S
27  70.3  80.1   15:46  64.2   23:53   0.0   5.4  0.50   2.9  13.0   21:57     W
28  60.4  64.7   19:51  57.1   07:12   4.6   0.0  0.48   3.1  13.0   09:30    NW
29  67.6  80.2   17:08  52.2   05:51   3.2   5.8  0.00   3.0  12.0   10:48   WNW
30  71.4  85.9   16:56  59.2   07:09   1.1   7.5  0.03   4.4  28.0   17:15     W
31  69.8  80.7   15:26  53.5   05:49   1.6   6.4  0.00   2.3  13.0   18:11   SSE
----------------------------------------------------------------------------------
    64.8  85.9    30    39.4    17   119.1 111.9  3.83   3.2  44.0    15      SW

Max >=  90.0  0
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 1.05 on day 25
Days of Rain: 13 (>= 0.01 in)  8 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration

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