NOAA Reports
Select a Year or Month report
Report for 2021 Jan
Monthly Climatological Summary for Jan 2021
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
----------------------------------------------------------------------------------
01 2.1 4.2 19:42 0.1 07:28 9.9 0.0 0.2 0.6 10.0 01:00 NNW
02 2.9 5.3 13:54 0.4 19:54 9.1 0.0 0.0 1.7 14.0 07:23 NNW
03 3.1 5.3 12:34 0.8 00:00 8.3 0.0 1.6 0.8 15.0 13:34 NE
04 3.5 4.8 12:07 2.3 03:17 8.2 0.0 1.6 3.5 20.0 10:45 NE
05 3.1 4.2 13:50 1.9 04:31 8.3 0.0 2.0 2.1 17.0 10:27 NNE
06 3.5 6.1 13:59 1.6 20:17 8.3 0.0 0.6 0.5 14.0 01:10 NNE
07 1.0 4.0 14:34 -0.8 19:08 11.0 0.0 0.0 0.4 9.0 13:11 WNW
08 -0.1 1.0 22:08 -2.0 03:23 12.1 0.0 0.0 0.0 8.0 19:42 NNW
09 -0.4 2.6 13:14 -2.6 21:18 12.4 0.0 0.2 0.0 6.0 00:40 N
10 0.8 3.4 22:31 -2.2 00:00 11.2 0.0 0.2 0.1 8.0 03:30 WSW
11 6.3 8.6 14:33 3.2 00:00 5.7 0.0 1.2 3.7 23.0 23:30 WSW
12 5.5 9.1 05:57 0.7 22:43 6.4 0.0 2.8 1.1 21.0 00:41 W
13 3.7 6.4 15:23 0.3 01:39 8.2 0.0 7.2 0.0 6.0 23:43 E
14 3.5 5.0 06:13 1.6 23:58 8.5 0.0 20.0 1.4 20.0 09:08 E
15 2.3 4.1 14:08 0.9 21:37 9.5 0.0 0.0 0.6 6.0 05:32 N
16 4.1 6.9 15:01 1.1 06:28 7.9 0.0 8.0 2.0 16.0 06:14 SW
17 5.3 7.3 13:46 3.2 23:55 6.7 0.0 0.0 1.4 17.0 11:31 WNW
18 5.3 8.6 23:53 2.5 06:55 6.7 0.0 0.0 3.1 18.0 23:37 SW
19 10.5 12.2 10:46 8.6 00:00 1.5 0.0 3.2 8.1 28.0 12:25 WSW
20 9.9 10.7 00:38 8.8 22:39 1.9 0.0 2.6 8.8 28.0 21:37 SW
21 6.3 10.0 00:08 3.9 23:56 5.7 0.0 0.8 6.0 33.0 00:08 WSW
22 4.2 9.1 13:38 1.2 08:37 7.8 0.0 0.2 1.4 13.0 12:03 WSW
23 1.9 4.2 00:00 -0.8 23:21 10.1 0.0 0.0 0.4 14.0 15:06 NW
24 0.7 3.2 12:38 -1.6 03:35 11.3 0.0 5.2 0.4 13.0 13:03 NE
25 1.2 5.4 13:37 -1.8 07:38 10.5 0.0 0.0 1.4 13.0 15:29 WNW
26 3.1 6.2 23:53 -0.3 03:38 8.9 0.0 3.4 1.2 13.0 19:37 SW
27 8.2 10.1 14:49 6.2 00:00 3.6 0.0 1.4 0.1 8.0 00:11 WSW
28 10.5 13.2 11:33 7.9 04:10 1.6 0.0 15.4 1.7 19.0 10:16 WSW
29 9.4 10.6 12:57 7.9 23:09 2.6 0.0 3.6 2.7 17.0 04:08 W
30 4.1 7.9 00:00 2.4 23:50 7.8 0.0 15.4 4.7 24.0 07:22 ENE
31 2.5 5.1 11:39 -0.2 07:27 9.5 0.0 1.4 1.9 17.0 11:46 ENE
----------------------------------------------------------------------------------
4.1 13.2 28 -2.6 9 241.2 0.0 98.2 2.0 33.0 21 WSW
Max >= 35.7 0
Max <= 33.6 31
Min <= -20.6 0
Min <= -18.0 0
Max Rain: 20.0 on day 14
Days of Rain: 23 (>= 0.2 mm) 12 (>= 2.0 mm) 1 (>= 20.0 mm)
Heat Base: 12.0 Cool Base: 24.0 Method: Integration