Monthly Climatological Summary for May 2011

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  53.9  64.4   01:19  42.6   20:56  11.1   0.0  0.16   3.7  18.0   15:45    NW
02  48.6  54.0   15:23  43.1   05:37  16.4   0.0  0.00   1.4   9.0   11:01   NNW
03  49.5  58.4   16:03  39.5   23:56  15.5   0.0  0.00   4.3  27.0   13:03    NW
04  47.9  59.9   18:03  34.5   05:39  17.1   0.0  0.00   1.8  13.0   15:51     E
05  53.4  70.5   15:07  44.1   05:53  11.6   0.0  0.02   4.5  25.0   16:40    SW
06  58.6  70.5   17:11  46.6   06:34   6.4   0.0  0.00   3.4  16.0   13:43   WSW
07  67.8  79.8   15:13  54.1   05:46   0.0   2.8  0.03   5.3  24.0   09:30    SW
08  67.8  77.9   16:41  55.2   06:33   0.0   2.8  0.00   3.2  17.0   18:22     E
09  74.4  85.6   17:27  65.1   06:12   0.0   9.4  0.00   5.5  30.0   11:20   SSE
10  75.2  83.1   13:19  68.1   05:15   0.0  10.2  0.02   4.3  21.0   13:45     S
11  76.8  87.0   13:21  70.0   05:39   0.0  11.8  0.00   3.7  20.0   14:13   SSW
12  75.9  86.0   16:48  67.7   06:25   0.0  10.9  0.00   4.0  32.0   23:57    SW
13  62.5  74.3   15:02  55.6   22:45   2.5   0.0  0.38   4.4  29.0   01:33     W
14  51.0  55.9   00:08  47.5   21:21  14.0   0.0  0.49   6.4  27.0   15:03   WNW
15  48.5  52.7   12:06  44.9   21:20  16.5   0.0  0.17   5.8  24.0   20:09    NW
16  51.8  61.0   17:06  42.0   06:18  13.2   0.0  0.00   4.0  19.0   03:02     N
17  52.6  62.9   18:02  40.0   06:26  12.4   0.0  0.00   2.5  14.0   12:26     N
18  58.6  69.3   16:56  45.3   06:08   6.4   0.0  0.00   1.2  11.0   10:51     N
19  58.9  61.6   14:22  55.8   03:33   6.1   0.0  0.07   1.5  13.0   12:22    SE
20  68.1  76.9   15:18  58.1   04:29   0.0   3.1  0.06   2.4  17.0   20:04   SSE
21  71.8  82.1   17:02  63.1   06:44   0.0   6.8  0.01   4.8  17.0   11:23     S
22  72.4  84.7   13:34  61.7   20:46   0.0   7.4  0.82   7.0  32.0   19:52     S
23  68.1  78.2   10:41  62.3   12:38   0.0   3.1  0.29   5.0  42.0   12:15    SW
24  71.6  84.1   15:45  57.3   06:25   0.0   6.6  0.00   2.2  14.0   22:27   SSE
25  66.2  80.9   13:53  58.7   16:26   0.0   1.2  2.06   4.2  45.0   16:02     S
26  54.4  60.5   03:02  50.8   22:45  10.6   0.0  0.34   3.8  20.0   04:20    NW
27  57.6  66.7   14:25  47.1   04:15   7.4   0.0  0.00   2.2  15.0   17:46   ESE
28  63.3  70.4   13:15  57.5   05:28   1.7   0.0  0.00   1.7  12.0   00:02   ESE
29  77.9  90.5   16:48  65.0   05:51   0.0  12.9  0.00   6.3  24.0   13:46     S
30  81.0  90.0   14:36  72.7   06:02   0.0  16.0  0.00   8.0  29.0   10:47     S
31  79.2  85.3   16:22  72.2   23:59   0.0  14.2  0.00   5.3  21.0   08:33   SSW
----------------------------------------------------------------------------------
    63.4  90.5    29    34.5     4   168.9 119.2  4.92   4.0  45.0    25     SSW

Max >=  90.0  2
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 2.06 on day 25
Days of Rain: 14 (>= 0.01 in)  8 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration