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Report for 2017 Sep
Monthly Climatological Summary for Sep 2017
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 15.6 22.6 11:51 8.2 06:25 0.7 0.0 10.0 1.5 14.0 23:07 N
02 15.9 24.3 12:28 9.4 06:31 0.3 0.0 2.4 1.2 10.0 18:37 WSW
03 15.3 20.9 10:29 11.0 06:01 0.1 0.0 1.2 2.8 15.0 16:26 SSW
04 17.5 22.3 17:27 13.9 00:00 0.0 0.0 1.0 2.6 13.0 19:02 SW
05 18.2 21.7 15:49 14.8 23:56 0.0 0.0 0.0 4.1 20.0 22:38 WSW
06 15.3 19.3 12:17 11.3 06:06 0.0 0.0 0.0 1.6 12.0 10:08 W
07 16.3 21.5 12:35 12.1 07:02 0.0 0.0 0.0 2.8 15.0 19:40 WSW
08 15.3 17.9 16:45 11.8 23:52 0.0 0.0 8.2 3.8 19.0 00:45 WSW
09 13.9 21.3 13:18 9.7 05:44 0.6 0.0 0.2 1.6 14.0 12:49 WSW
10 13.6 19.3 11:23 9.0 05:44 0.8 0.0 0.6 4.5 24.0 19:23 SW
11 14.1 20.3 14:01 11.2 03:50 0.2 0.0 10.2 5.2 23.0 12:32 WSW
12 14.1 19.7 11:48 9.8 05:41 0.6 0.0 2.6 4.3 23.0 22:18 WSW
13 14.6 19.4 12:21 10.9 23:28 0.1 0.0 2.0 5.5 30.0 03:26 WSW
14 11.7 18.6 14:43 8.0 06:45 1.3 0.0 0.8 1.5 14.0 15:03 W
15 11.7 19.8 13:21 7.0 06:49 1.7 0.0 0.6 1.7 18.0 15:27 NW
16 11.0 18.0 12:41 7.4 06:29 1.8 0.0 1.0 1.1 12.0 12:11 NNW
17 12.2 17.9 16:08 8.7 02:36 1.2 0.0 0.0 2.1 11.0 13:18 N
18 12.5 19.0 13:04 9.4 01:25 0.6 0.0 6.4 2.5 15.0 10:15 NNW
19 11.3 16.4 15:06 8.7 22:34 1.4 0.0 0.6 1.2 12.0 06:08 NNW
20 13.7 20.0 13:46 9.1 04:30 0.8 0.0 0.0 2.8 14.0 15:25 SW
21 15.5 20.0 13:34 12.8 00:00 0.0 0.0 0.2 3.9 20.0 12:13 SW
22 14.0 20.6 13:21 7.9 07:18 0.8 0.0 0.0 1.3 10.0 14:56 SW
23 14.7 21.8 13:18 10.6 03:33 0.1 0.0 1.2 1.5 12.0 11:58 S
24 16.6 23.3 13:00 11.9 07:28 0.0 0.0 0.2 1.6 12.0 11:39 SE
25 15.9 18.1 13:55 14.6 23:46 0.0 0.0 0.4 1.3 11.0 16:29 E
26 16.2 22.3 12:29 13.4 07:13 0.0 0.0 0.0 1.3 9.0 12:51 E
27 15.9 21.5 12:39 11.3 06:46 0.1 0.0 4.8 1.3 12.0 23:40 SSE
28 17.1 21.6 13:40 13.0 23:37 0.0 0.0 5.6 2.8 14.0 12:09 SW
29 15.9 20.4 12:12 12.3 23:57 0.0 0.0 2.8 2.0 13.0 12:59 SW
30 13.8 19.4 12:06 10.6 03:53 0.3 0.0 0.2 2.3 15.0 15:33 SW
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14.6 24.3 2 7.0 15 13.5 0.0 63.2 2.5 30.0 13 WSW
Max >= 35.7 0
Max <= 33.6 30
Min <= -20.6 0
Min <= -18.0 0
Max Rain: 10.2 on day 11
Days of Rain: 23 (>= 0.2 mm) 10 (>= 2.0 mm) 0 (>= 20.0 mm)
Heat Base: 12.0 Cool Base: 24.0 Method: Integration