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Report for 2021 May
                   Monthly Climatological Summary for May 2021

Name: CM2Weather   City: Chelmsford   State: Essex
Elevation: 66 m  Lat: N 51 42' 38"   Lon: E 000 28' 14"

                  Temperature (C), Rain (mm), 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   8.2  15.2   11:21   1.9   05:34   4.1   0.0   0.0   0.6  17.0   15:31     N
02   8.7  17.2   13:39   1.2   04:19   3.8   0.0   0.0   0.2  12.0   18:49    SW
03   9.7  14.3   13:02   5.7   05:52   2.6   0.0   9.2   2.4  32.0   21:07    SW
04   9.8  15.2   14:29   5.7   23:57   2.4   0.0   2.4   1.6  23.0   14:50     W
05   8.0  16.8   13:11   3.6   05:57   4.3   0.0   0.2   0.6  14.0   15:23   WNW
06   7.9  14.2   10:49   2.4   05:59   4.2   0.0   0.4   0.3  12.0   16:15   NNW
07  10.4  17.6   12:49   3.4   05:28   2.7   0.0   0.0   0.6  12.0   00:09     W
08  11.7  16.4   17:01   7.2   06:24   1.8   0.0  11.0   1.3  22.0   13:12    SW
09  16.2  22.4   11:49  10.8   03:35   0.1   0.0   0.2   0.8  17.0   16:18    SW
10  13.9  17.3   14:05  10.4   23:57   0.2   0.0   3.0   1.6  23.0   13:14    SW
11  13.3  21.8   10:44   7.1   04:28   1.2   0.0   1.0   0.7  17.0   16:14    SW
12  13.7  20.1   12:27   9.1   05:15   0.6   0.0   0.0   0.8  13.0   08:18    SW
13  11.3  13.8   10:52  10.1   20:52   0.8   0.0   8.4   0.5   7.0   11:43     E
14  10.3  13.1   15:45   7.9   05:06   1.8   0.0   0.6   1.0   9.0   00:36   NNE
15  10.9  15.2   14:53   8.6   05:35   1.5   0.0  12.4   0.5   9.0   07:51   SSE
16  11.7  16.0   11:30   7.9   05:16   1.1   0.0   9.8   1.1  15.0   11:48    SW
17  11.8  17.4   14:13   9.6   06:47   0.9   0.0   7.2   0.7  16.0   14:33    NW
18  12.5  19.6   13:13   7.1   04:24   1.3   0.0   4.6   0.6  10.0   12:21   WSW
19  12.4  19.0   16:09   8.1   23:59   1.1   0.0   1.2   0.4  15.0   13:13   NNW
20  11.1  14.2   14:07   6.9   04:31   1.5   0.0   0.0   1.9  32.0   16:45    SW
21  11.6  13.6   12:21  10.0   23:54   0.6   0.0   2.2   3.4  29.0   07:20    SW
22  11.0  15.5   17:09   8.9   08:35   1.4   0.0   5.2   0.6  16.0   00:01     W
23  10.9  14.3   13:35   5.7   05:36   1.5   0.0   1.4   1.8  22.0   20:41    SW
24  11.2  15.8   16:27   7.8   05:29   1.4   0.0   0.8   1.0  17.0   00:19    SW
25  11.4  17.3   15:34   7.0   04:47   1.6   0.0   0.4   0.7  12.0   19:48   WSW
26  11.7  18.7   13:50   6.4   04:52   1.6   0.0   0.4   0.4  11.0   16:13    NW
27  14.8  21.9   12:48   8.7   01:23   0.8   0.0   0.0   0.4   8.0   12:48    NE
28  15.2  23.3   11:38   9.0   04:22   0.7   0.0   0.2   0.3   7.0   00:01   ESE
29  15.3  21.8   14:11  10.1   23:58   0.2   0.0   0.2   0.5   8.0   11:23     E
30  13.4  21.9   13:11   8.9   05:29   1.2   0.0   0.0   0.6   8.0   14:43     E
31  16.3  23.9   11:51   8.2   04:47   0.9   0.0   0.0   0.7  10.0   14:29     E
----------------------------------------------------------------------------------
    11.8  23.9    31     1.2     2    49.9   0.0  82.4   0.9  32.0     3      SW

Max >=  35.7  0
Max <=  33.6 31
Min <= -20.6  0
Min <= -18.0  0
Max Rain: 12.4 on day 15
Days of Rain: 23 (>= 0.2 mm)  11 (>= 2.0 mm)  0 (>= 20.0 mm)
Heat Base: 12.0  Cool Base: 24.0  Method: Integration