Chelmsford Weather from CM2Weather

Forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours. Last Updated 02:35 on 13 December 2018

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Report for 2018
                   Annual Climatological Summary for 2018

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
------------------------------------------------------------------------------------
 18  1   9.4   3.9   6.4  -1.0   175     0  14.4  28   0.1   21    0   31    0    0
 18  2   7.5   0.5   3.5  -4.2   238     0  13.3  18  -5.5   28    0   28    0    0
 18  3  10.1   3.1   6.0  -4.7   189     0  17.6  16  -3.8    1    0   31    0    0
 18  4  16.3   7.6  11.4  -2.2    63     2  30.6  19   3.7    6    0   30    0    0
 18  5  22.2   9.1  15.1  -1.9    26     3  30.4   7   3.2    1    0   31    0    0
 18  6  24.8  12.3  18.1  -2.1     3     7  30.9  25   7.6   13    0   30    0    0
 18  7  29.3  15.4  21.9  -1.0     0    43  36.4  27  12.4    4    2   27    0    0
 18  8  26.0  14.0  19.5  -3.2     3    22  36.8   3   8.2   25    2   28    0    0
 18  9  21.5  10.7  15.7  -3.6    19     2  28.3   3   3.7   25    0   30    0    0
 18 10  17.5   8.1  12.2  -2.8    58     0  26.1  13   2.3   29    0   31    0    0
 18 11  11.8   6.1   8.7  -1.8   102     0  16.1   6  -1.0   22    0   30    0    0
 18 12  11.5   5.8   8.9   1.2    40     0  15.6   2   2.4    4    0   12    0    0
------------------------------------------------------------------------------------
        17.3   8.1  12.3  -2.3   915    78  36.8 Aug  -5.5  Feb    4  339    0    0

                                Precipitation (mm)

              Dep.   Max        Days of Rain
              From   Obs.           >=
 YR MO Total  Norm   Day Date  0.2  2.0 20.0
---------------------------------------------
 18  1  45.4  -7.8   9.6  21    16    6    0
 18  2  28.8 -10.4   8.0   9    14    5    0
 18  3  46.6   6.4   8.6  30    21    9    0
 18  4  50.4   8.8  15.0  30    18    8    0
 18  5  31.4 -17.3  10.2  12    10    5    0
 18  6   0.2 -49.7   0.2   9     1    0    0
 18  7  14.0 -30.3   6.2  31     5    3    0
 18  8  40.2 -11.5  10.4   9    13    7    0
 18  9  25.6 -23.0   8.0  23     9    4    0
 18 10  30.0 -34.1  10.6   6    14    4    0
 18 11 385.4 327.4 323.8   4    19   10    1
 18 12  17.0 -35.3   5.4   7     9    4    0
---------------------------------------------
       715.0 123.2 323.8  Nov  149   65    1

                                Wind Speed (mph)
                          Dom
 YR MO   Avg.  Hi   Date  Dir
------------------------------
 18  1   4.1  35.0    2   WSW
 18  2   4.0  29.0   14     N
 18  3   3.5  28.0    1     E
 18  4   3.2  38.0   30   WSW
 18  5   2.6  24.0    2     N
 18  6   2.6  20.0   14     N
 18  7   2.3  25.0   28   SSW
 18  8   2.0  23.0   26   WSW
 18  9   3.3  31.0   19     W
 18 10   2.9  27.0   13   WNW
 18 11   3.2  33.0   29   SSW
 18 12   4.0  25.0    3   WSW
------------------------------
         3.1  38.0  Apr     W