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Report for 2018 Dec
Monthly Climatological Summary for Dec 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
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01 9.9 12.4 17:23 6.4 01:12 2.1 0.0 2.0 4.6 19.0 12:52 SW
02 13.6 15.6 12:35 11.3 00:00 0.0 0.0 2.0 6.0 20.0 12:01 WSW
03 10.6 14.0 11:34 4.4 23:38 1.8 0.0 1.6 5.1 25.0 15:49 WSW
04 4.8 7.2 13:56 2.4 07:20 7.2 0.0 0.2 0.7 7.0 22:01 WSW
05 9.8 12.2 15:34 5.9 02:08 2.2 0.0 3.8 2.9 15.0 05:22 SSW
06 12.1 13.3 23:49 10.5 06:14 0.3 0.0 0.4 4.8 18.0 18:49 WSW
07 10.1 13.4 00:20 5.9 17:17 2.3 0.0 5.4 6.4 23.0 08:55 WSW
08 9.5 11.6 14:39 6.9 00:00 2.5 0.0 0.4 8.0 25.0 17:10 WSW
09 8.8 11.0 14:03 5.8 23:56 3.2 0.0 1.2 5.1 23.0 06:26 WNW
10 7.1 9.1 12:05 5.4 04:45 4.9 0.0 0.0 2.0 14.0 13:07 WNW
11 5.5 10.0 14:06 2.5 04:43 6.5 0.0 0.0 0.4 6.0 21:17 SSE
12 5.4 8.4 13:58 2.7 18:09 6.6 0.0 0.0 2.3 13.0 22:55 SSE
13 3.8 6.5 14:04 2.4 05:25 8.2 0.0 0.0 3.0 19.0 11:02 ESE
14 3.6 5.2 11:02 2.0 23:58 8.4 0.0 0.0 1.5 12.0 09:39 SSE
15 2.7 7.3 23:42 1.0 04:42 9.3 0.0 7.8 4.6 20.0 14:54 S
16 6.9 8.7 12:45 4.9 08:05 5.1 0.0 1.2 2.4 15.0 20:06 SW
17 7.1 10.6 13:58 4.4 07:59 4.9 0.0 0.0 3.1 15.0 12:50 WSW
18 9.2 10.1 05:20 7.8 19:34 2.8 0.0 1.8 6.4 24.0 10:20 SW
19 7.8 9.4 14:11 6.9 20:07 4.2 0.0 1.8 4.3 16.0 08:58 SW
20 8.1 10.8 13:46 6.1 08:01 3.9 0.0 0.4 4.4 16.0 10:02 SW
21 11.0 12.9 09:10 8.2 00:24 1.1 0.0 8.6 5.8 29.0 11:10 WSW
22 9.5 12.2 13:43 8.3 23:55 2.5 0.0 0.8 4.5 20.0 01:19 W
23 8.6 12.1 15:15 6.2 23:49 3.4 0.0 2.8 3.1 19.0 16:23 WNW
24 4.7 9.9 14:28 0.8 21:58 7.3 0.0 0.2 1.1 9.0 01:45 N
25 4.3 7.5 23:45 -0.5 05:12 7.7 0.0 0.0 0.8 6.0 16:30 SSW
26 7.7 9.1 13:49 5.6 23:56 4.3 0.0 0.0 1.2 7.0 18:04 SW
27 4.7 8.2 14:28 2.4 08:44 7.3 0.0 0.0 0.3 5.0 15:10 WNW
28 7.8 10.9 14:28 5.6 00:00 4.2 0.0 0.0 1.1 8.0 23:48 WSW
29 9.8 12.7 14:50 6.4 23:31 2.3 0.0 0.0 3.4 17.0 10:14 W
30 8.8 10.9 14:29 6.2 03:35 3.2 0.0 0.2 2.2 12.0 14:50 W
31 9.2 9.8 12:21 8.6 22:11 2.8 0.0 0.0 2.0 11.0 05:59 WNW
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7.8 15.6 2 -0.5 25 132.5 0.0 42.6 3.3 29.0 21 WSW
Max >= 35.7 0
Max <= 33.6 31
Min <= -20.6 0
Min <= -18.0 0
Max Rain: 8.6 on day 21
Days of Rain: 19 (>= 0.2 mm) 7 (>= 2.0 mm) 0 (>= 20.0 mm)
Heat Base: 12.0 Cool Base: 24.0 Method: Integration