Chelmsford Weather from CM2Weather

Forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours. Last Updated 01:40 on 13 December 2018

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Report for 2018 Sep
                   Monthly Climatological Summary for Sep 2018

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  17.7  26.8   12:25   9.6   06:17   0.4   0.3   0.0   1.5  13.0   16:58     S
02  17.8  27.9   11:52   9.8   06:14   0.3   0.3   0.0   1.1  14.0   14:30    SE
03  17.9  28.3   12:46   9.9   06:43   0.3   0.5   0.0   0.8  10.0   18:29   ESE
04  16.1  20.2   14:00  12.5   01:31   0.0   0.0   1.2   4.1  15.0   10:14     N
05  15.7  18.7   14:43  13.4   06:37   0.0   0.0   4.4   3.9  15.0   13:15     N
06  17.0  24.2   12:54  12.9   06:43   0.0   0.0   0.2   2.2  13.0   21:41   NNW
07  14.2  20.4   13:21   8.1   06:39   0.8   0.0   0.0   1.8  16.0   16:39   WSW
08  14.6  20.6   15:08   8.4   04:05   0.8   0.0   0.0   3.2  17.0   14:35   WSW
09  18.4  23.9   16:27  14.2   05:31   0.0   0.0   0.0   3.8  21.0   13:52    SW
10  17.9  22.3   12:46  13.8   05:36   0.0   0.0   0.0   3.6  17.0   16:58   WSW
11  19.4  23.2   14:18  16.4   00:00   0.0   0.0   0.2   5.7  21.0   08:17   WSW
12  13.7  16.8   00:00   9.1   23:59   0.2   0.0   1.8   2.2  15.0   02:48     N
13  14.1  21.7   11:32   7.2   06:15   1.4   0.0   0.0   0.5  13.0   14:51   WSW
14  15.0  19.4   13:08  11.1   05:24   0.1   0.0   0.0   3.5  20.0   10:52   WSW
15  16.8  24.0   12:47  10.9   06:54   0.1   0.0   0.0   2.9  16.0   13:56   WSW
16  18.0  24.2   12:21  12.9   05:31   0.0   0.0   0.0   4.4  20.0   11:55    SW
17  20.4  26.3   14:10  16.1   23:59   0.0   0.4   0.0   4.3  19.0   13:07    SW
18  19.5  23.2   14:17  15.9   00:19   0.0   0.0   0.2   6.8  26.0   11:57   WSW
19  19.4  22.9   13:30  17.0   04:27   0.0   0.0   0.0   7.7  31.0   14:18   WSW
20  19.1  21.3   14:20  17.1   04:32   0.0   0.0   0.0   7.6  30.0   23:52   WSW
21  14.8  19.8   00:01  10.7   07:30   0.1   0.0   4.2   6.5  31.0   01:09   WSW
22  11.6  13.8   10:38  10.3   20:38   0.7   0.0   5.4   2.2  11.0   00:11   WSW
23  10.1  13.4   16:03   6.7   23:54   2.0   0.0   8.0   4.0  21.0   17:44     N
24  10.3  17.6   14:45   5.3   06:37   2.9   0.0   0.0   1.5  13.0   13:40     N
25  11.3  19.0   12:38   3.7   07:18   2.8   0.0   0.0   1.8  12.0   15:06    SW
26  15.1  23.4   14:27   7.3   05:30   1.3   0.0   0.0   2.2  16.0   11:06   WSW
27  16.9  24.2   14:36  10.7   07:26   0.1   0.0   0.0   2.1  11.0   12:01     W
28  13.8  19.4   11:28   8.3   23:57   0.4   0.0   0.0   4.0  18.0   13:34   NNE
29  11.9  20.7   12:24   5.2   07:06   2.4   0.0   0.0   1.1   9.0   13:14   WSW
30  11.5  18.8   11:38   5.8   07:20   1.9   0.0   0.0   2.0  15.0   16:41    NW
----------------------------------------------------------------------------------
    15.7  28.3     3     3.7    25    19.0   1.5  25.6   3.3  31.0    19       W

Max >=  35.7  0
Max <=  33.6 30
Min <= -20.6  0
Min <= -18.0  0
Max Rain: 8.0 on day 23
Days of Rain: 9 (>= 0.2 mm)  4 (>= 2.0 mm)  0 (>= 20.0 mm)
Heat Base: 12.0  Cool Base: 24.0  Method: Integration