NOAA Reports
Select a Year or Month report
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 10.4 5.3 7.8 0.1 132 0 15.6 2 -0.5 25 0 31 0 0
------------------------------------------------------------------------------------
17.2 8.0 12.2 -2.4 1008 78 36.8 Aug -5.5 Feb 4 358 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 42.6 -9.7 8.6 21 19 7 0
---------------------------------------------
740.6 148.8 323.8 Nov 159 68 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 3.3 29.0 21 WSW
------------------------------
3.1 38.0 Apr W