Chelmsford Weather from CM2Weather

Forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours. Last Updated 01:45 on 13 December 2018

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Report for 2017
                   Annual Climatological Summary for 2017

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

                  Temperature (C), Heat Base: 12.0  Cool Base: 24.0
                          Dep.  Heat  Cool                       Max  Max  Min  Min
        Mean  Mean        From  Deg   Deg                        >=   <=   <=   <=
 YR MO  Max   Min   Mean  Norm  Days  Days  Hi  Date  Low  Date 35.7 33.6-20.6 -18.0
------------------------------------------------------------------------------------
 17  1   7.5   0.8   3.8  -3.6   250     0  12.6   8  -3.9   23    0   31    0    0
 17  2  10.3   4.7   7.1  -0.6   137     0  18.7  20   0.6   11    0   28    0    0
 17  3  15.1   6.4  10.2  -0.5    80     0  22.1  30   3.7    6    0   31    0    0
 17  4  17.1   5.8  10.9  -2.7    68     0  26.3   9   0.4   27    0   30    0    0
 17  5  20.5  10.0  14.7  -2.3    25     2  28.2  25   5.6   11    0   31    0    0
 17  6  24.8  13.3  18.8  -1.4     1    12  35.2  17   9.9    6    0   29    0    0
 17  7  24.2  14.2  18.7  -4.2     0     7  30.4   7   9.8   13    0   31    0    0
 17  8  23.5  13.2  17.8  -4.9     1     3  30.2  28   8.9   31    0   31    0    0
 17  9  20.3  10.7  14.6  -4.7    14     0  24.3   2   7.0   15    0   30    0    0
 17 10  17.5   9.8  13.4  -1.6    23     0  23.1  16   2.4   30    0   31    0    0
 17 11  11.1   4.5   7.7  -2.8   136     0  16.8   3  -0.3   30    0   30    0    0
 17 12   8.2   3.2   5.6  -2.1   199     0  13.5  30  -2.4   12    0   31    0    0
------------------------------------------------------------------------------------
        16.7   8.1  11.9  -2.6   934    24  35.2 Jun  -3.9  Jan    0  364    0    0

                                Precipitation (mm)

              Dep.   Max        Days of Rain
              From   Obs.           >=
 YR MO Total  Norm   Day Date  0.2  2.0 20.0
---------------------------------------------
 17  1  47.0  -6.2  11.0  29    21    7    0
 17  2  28.2 -11.0   9.6  27    15    4    0
 17  3  21.2 -19.0   5.8   5     9    4    0
 17  4   7.8 -33.8   2.8  26     7    1    0
 17  5  69.6  20.9  32.2  17     9    4    1
 17  6  59.6   9.7  18.2   2     9    5    0
 17  7  81.6  37.3  14.2  11    14    9    0
 17  8  67.8  16.1  38.8   9    17    6    1
 17  9  63.2  14.6  10.2  11    23   10    0
 17 10  14.2 -49.9   4.0  20    12    3    0
 17 11  22.2 -35.8   5.0  11    16    5    0
 17 12  74.0  21.7  13.6  11    20   12    0
---------------------------------------------
       556.4 -35.4  38.8  Aug  172   70    2

                                Wind Speed (mph)
                          Dom
 YR MO   Avg.  Hi   Date  Dir
------------------------------
 17  1   2.4  30.0   13     W
 17  2   4.1  37.0   23   WSW
 17  3   3.9  31.0   20   WSW
 17  4   2.6  20.0   25   WNW
 17  5   3.0  25.0    5   WNW
 17  6   3.0  32.0    6   WSW
 17  7   2.9  24.0   19   WSW
 17  8   2.4  27.0    3   WSW
 17  9   2.5  30.0   13   WSW
 17 10   3.3  32.0   21   WSW
 17 11   3.1  36.0   22     W
 17 12   3.7  31.0   25     W
------------------------------
         3.1  37.0  Feb   WSW