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Report for 2013
Annual Climatological Summary for 2013
Name: CM2Weather City: Chelmsford County: Essex
Elevation: 0 ft Lat: S 00° 00' 00" Lon: W 000° 00' 00"
Temperature (°C), Heat Base: 18.3 Cool Base: 18.3
Dep. Heat Cool Max Max Min Min
Mean Mean From Deg Deg >= <= <= <=
YR MO Max Min Mean Norm Days Days Hi Date Low Date 27.0 0.0 0.0 -18.0
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13 1 9.3 5.7 7.4 0.0 76 0 10.6 3 2.7 2 0 0 0 0
13 2 5.4 0.2 2.7 0.0 435 0 10.1 14 -3.3 19 0 0 11 0
13 3 6.1 0.1 2.9 0.0 478 0 15.8 5 -3.7 31 0 0 21 0
13 4 13.4 3.5 8.2 0.0 304 0 23.4 25 -3.2 7 0 0 8 0
13 5 16.6 6.7 11.5 0.0 212 0 22.1 5 2.1 3 0 0 0 0
13 6 20.0 10.2 14.7 0.0 105 4 28.7 30 5.3 3 2 0 0 0
13 7 26.2 13.9 19.4 0.0 14 50 31.9 15 10.4 9 12 0 0 0
13 8 24.3 13.3 18.6 0.0 8 11 32.2 1 9.2 8 1 0 0 0
13 9 18.8 10.3 14.2 0.0 127 4 30.3 5 6.6 15 1 0 0 0
13 10 15.9 9.5 12.5 0.0 180 0 21.0 8 3.9 30 0 0 0 0
13 11 9.3 3.6 6.4 0.0 357 0 14.7 2 -1.9 20 0 0 2 0
13 12 8.6 3.8 6.3 0.0 24 0 9.3 2 1.5 1 0 0 0 0
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14.5 6.7 10.4 0.0 2324 71 32.2 Aug -3.7 Mar 16 0 42 0
Precipitation (mm)
Dep. Max Days of Rain
From Obs. >=
YR MO Total Norm Day Date 0.2 2.0 20.0
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13 1 3.2 0.0 1.5 2 5 0 0
13 2 41.7 0.0 10.9 14 14 6 0
13 3 45.7 0.0 13.5 8 23 8 0
13 4 29.2 0.0 5.8 26 13 6 0
13 5 25.7 0.0 9.7 28 11 3 0
13 6 18.7 0.0 8.6 15 10 3 0
13 7 28.9 0.0 8.4 30 7 4 0
13 8 21.4 0.0 12.4 5 5 2 0
13 9 49.2 0.0 18.5 13 16 5 0
13 10 84.5 0.0 14.0 28 19 12 0
13 11 45.2 0.0 8.6 3 19 7 0
13 12 0.0 0.0 0.0 6 0 0 0
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393.4 0.0 18.5 Sep 142 56 0
Wind Speed (mph)
Dom
YR MO Avg. Hi Date Dir
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13 1 2.9 18.1 1 WSW
13 2 4.1 27.0 4 NNW
13 3 4.1 72.0 15 NE
13 4 4.2 30.0 14 WSW
13 5 2.6 31.1 15 W
13 6 2.9 30.0 13 WNW
13 7 1.9 25.0 28 NNW
13 8 1.9 21.1 3 WSW
13 9 1.6 25.0 15 WNW
13 10 2.8 40.0 28 WSW
13 11 2.7 31.1 2 WNW
13 12 1.0 7.0 1 N
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2.7 72.0 Mar WNW