Monthly Climatological Summary for May 2021

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  70.1  83.9   15:42  55.5   06:21   2.5   7.6  0.00   4.5  25.0   16:06   SSW
02  67.3  72.3   13:47  61.7   21:39   0.6   2.9  0.02   5.1  24.0   16:22   SSE
03  70.2  83.6   17:39  61.5   05:43   1.1   6.3  0.11   3.7  20.0   13:21   NNW
04  57.5  66.1   00:01  50.9   23:55   7.5   0.0  0.13   3.7  17.0   09:56   WNW
05  56.6  68.3   17:52  45.2   06:19   8.7   0.4  0.00   2.5  14.0   12:26   WSW
06  57.2  65.5   13:53  49.5   23:55   7.8   0.0  0.02   4.5  24.0   13:50     W
07  60.1  71.8   14:00  44.6   06:14   6.8   1.9  0.00   4.4  25.0   14:00    NE
08  54.6  60.2   00:01  50.5   06:58  10.4   0.0  0.00   6.2  22.0   14:58   ESE
09  49.3  56.1   04:29  42.6   23:59  15.7   0.0  0.34   4.1  33.0   04:30    NW
10  50.2  61.3   15:16  38.0   05:43  14.8   0.0  0.00   0.9   8.0   09:36   SSW
11  51.3  57.7   12:15  40.9   04:28  13.7   0.0  0.00   2.9  21.0   12:06   ENE
12  53.8  63.4   17:51  44.4   06:43  11.2   0.0  0.00   3.4  16.0   11:22   NNE
13  55.0  67.0   17:20  39.0   06:09  10.3   0.2  0.00   1.6  13.0   12:21     E
14  59.1  72.0   16:34  41.2   05:48   7.7   1.8  0.00   2.1  14.0   10:52   SSE
15  59.2  62.2   16:41  56.0   03:19   5.8   0.0  0.00   2.4  20.0   13:45   SSE
16  63.7  72.5   13:00  53.6   05:44   3.3   2.1  0.82   2.4  27.0   20:59   ESE
17  64.5  72.3   15:15  60.3   05:32   1.9   1.4  0.40   3.8  17.0   19:04   ESE
18  64.4  67.9   15:03  61.0   01:14   1.2   0.6  0.64   3.9  16.0   00:03   SSE
19  71.3  77.6   13:03  65.7   06:42   0.0   6.3  0.00   4.2  21.0   13:16   SSE
20  75.8  82.8   15:37  68.5   06:32   0.0  10.8  0.00   5.2  22.0   12:34   SSE
21  75.4  83.1   14:42  67.7   06:02   0.0  10.4  0.00   2.7  23.0   14:15   SSE
22  73.7  80.7   16:34  66.6   06:11   0.0   8.7  0.00   2.1  12.0   11:58   NNW
23  75.9  86.9   17:31  62.3   05:10   0.3  11.2  0.00   1.9  12.0   13:10   SSW
24  76.3  85.9   15:27  62.8   05:53   0.2  11.4  0.00   2.9  14.0   14:41     S
25  75.1  84.2   13:24  66.2   23:25   0.0  10.1  0.15   4.0  21.0   15:18     W
26  74.7  87.1   18:02  65.5   02:16   0.0   9.7  0.01   2.2  10.0   09:00    SE
27  69.0  78.8   11:01  65.3   03:47   0.0   4.0  1.37   2.7  33.0   11:39     S
28  55.9  65.6   00:01  48.8   23:57   9.1   0.0  0.05   5.0  24.0   14:20   WNW
29  52.7  62.7   18:17  47.5   05:42  12.3   0.0  0.00   3.1  13.0   04:35   SSE
30  58.3  71.0   15:33  42.7   05:28   7.9   1.3  0.00   1.6  11.0   14:14   ENE
31  65.4  75.3   15:40  56.3   05:43   2.8   3.2  0.00   1.5  10.0   10:00   SSE
----------------------------------------------------------------------------------
    63.3  87.1    26    38.0    10   163.6 112.3  4.06   3.3  33.0     9     SSE

Max >=  90.0  0
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 1.37 on day 27
Days of Rain: 12 (>= 0.01 in)  8 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration