Monthly Climatological Summary for May 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  63.2  70.1   15:33  55.3   06:27   1.8   0.0  0.09   2.7  14.0   14:54   NNW
02  60.6  69.0   13:52  54.0   03:41   4.4   0.0  0.00   2.0  13.0   00:03    NW
03  62.0  76.1   15:15  49.5   05:51   3.0   0.0  0.06   2.8  18.0   15:16   WSW
04  67.1  81.1   17:21  50.0   05:37   0.0   2.1  0.00   4.3  20.0   11:24   SSW
05  68.4  78.1   15:47  57.3   06:31   0.0   3.4  0.00   2.8  14.0   18:53   WNW
06  62.6  74.1   16:50  46.6   06:16   2.4   0.0  0.00   2.3  17.0   16:10   ESE
07  63.9  77.4   11:44  51.7   23:56   1.1   0.0  0.00   6.0  29.0   22:24     W
08  49.9  56.9   15:07  43.9   23:59  15.1   0.0  0.00   7.0  28.0   09:26   WNW
09  51.2  63.4   17:31  37.4   05:15  13.8   0.0  0.00   1.6  12.0   13:26    SE
10  52.9  58.5   11:34  49.4   17:21  12.1   0.0  0.54   5.1  30.0   22:03    SE
11  63.6  72.3   16:03  52.1   00:08   1.4   0.0  0.02   5.7  21.0   01:54   WSW
12  63.6  74.5   11:52  53.3   05:56   1.4   0.0  1.32   3.5  25.0   03:45     E
13  67.9  77.7   16:06  59.0   23:54   0.0   2.9  0.38   4.5  25.0   06:29    SW
14  57.6  62.9   18:24  54.6   07:02   7.4   0.0  0.04   1.2  15.0   14:39    SW
15  55.5  56.9   19:25  53.6   08:11   9.5   0.0  0.39   2.7  17.0   06:21   ENE
16  57.7  61.8   14:44  54.5   02:41   7.3   0.0  0.41   2.1  12.0   10:58    NE
17  55.5  58.3   00:00  52.3   22:34   9.5   0.0  0.07   3.0  15.0   14:52   NNW
18  60.7  70.7   16:26  49.6   06:36   4.3   0.0  0.00   3.2  16.0   13:04   NNW
19  59.3  68.4   14:31  48.6   05:33   5.7   0.0  0.00   1.1  13.0   11:25     E
20  59.5  62.4   23:44  56.7   06:54   5.5   0.0  0.22   2.5  15.0   08:57    SE
21  63.2  69.5   15:27  56.5   23:56   1.8   0.0  0.08   4.2  19.0   15:01   WSW
22  71.0  85.1   17:17  54.5   05:10   0.0   6.0  0.01   3.1  18.0   17:20   SSE
23  79.8  90.1   16:42  68.1   05:57   0.0  14.8  0.00   4.4  19.0   11:04     S
24  80.8  91.6   16:30  70.1   06:13   0.0  15.8  0.00   1.6  18.0   21:32     S
25  77.7  88.8   16:35  64.9   04:57   0.0  12.7  0.00   1.5  15.0   16:41     S
26  74.5  86.4   17:50  66.3   23:55   0.0   9.5  0.00   1.8  26.0   18:14    NW
27  74.3  85.6   16:04  63.8   04:26   0.0   9.3  0.00   2.4  13.0   17:13     N
28  73.3  81.5   17:06  61.7   06:06   0.0   8.3  0.00   2.8  15.0   13:09   NNE
29  74.8  88.0   17:17  60.8   05:33   0.0   9.8  0.00   1.3  15.0   15:19   ENE
30  77.9  86.8   15:49  65.9   05:27   0.0  12.9  0.00   1.9  15.0   13:49     S
31  73.6  84.4   14:04  67.6   23:59   0.0   8.6  0.65   1.8  28.0   14:48    SW
----------------------------------------------------------------------------------
    65.3  91.6    24    37.4     9   107.5 116.1  4.28   3.0  30.0    10     WSW

Max >=  90.0  2
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 1.32 on day 12
Days of Rain: 14 (>= 0.01 in)  7 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration