NOAA Reports

Select a Year or Month report

Report for 2021 Apr
                   Monthly Climatological Summary for Apr 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  10.2  15.7   14:14   5.9   23:41   2.3   0.0   0.0   2.4  18.0   19:49    NE
02   7.2  11.8   14:57   5.4   04:24   4.8   0.0   0.0   2.3  18.0   19:25    NE
03   7.4  10.1   17:04   5.5   01:22   4.6   0.0   0.0   1.5  17.0   09:15   NNE
04  10.0  17.6   15:28   4.8   05:49   3.1   0.0   0.0   0.5  10.0   17:35     W
05   6.3  10.1   00:00   1.9   22:29   5.7   0.0   0.0   1.7  23.0   06:03   NNW
06   3.6   9.6   12:56  -0.4   06:22   8.4   0.0   0.0   1.0  21.0   14:48   NNW
07   3.8   9.1   16:47  -1.3   06:17   8.2   0.0   0.0   0.7  13.0   13:16    NW
08   8.3  14.6   14:53   3.6   06:30   3.9   0.0   0.0   1.5  17.0   10:47   WSW
09   9.7  16.6   12:53   5.3   05:05   2.9   0.0   0.0   1.3  15.0   10:55   WSW
10   6.6   8.8   13:58   3.2   23:58   5.4   0.0   0.0   1.1  16.0   12:09   ENE
11   4.9  11.7   12:51  -0.1   06:21   7.1   0.0   0.0   0.9  18.0   17:26     N
12   5.3  13.1   13:08   0.0   04:58   6.7   0.0   0.0   0.3   9.0   11:22   NNW
13   6.6  14.0   12:23  -1.1   05:16   5.5   0.0   0.0   0.3   9.0   13:39    NW
14   7.6  14.8   10:13   3.3   00:01   4.5   0.0   0.0   0.4  10.0   14:33    NE
15   6.0  12.2   14:01   0.7   04:56   6.0   0.0   0.4   0.5  16.0   14:11    NE
16   6.9  15.3   11:49  -0.1   06:25   5.3   0.0   0.0   0.4  11.0   11:49   ENE
17   7.7  16.5   13:44   0.0   04:57   5.0   0.0   0.0   0.4  13.0   13:59   ENE
18   9.1  18.1   13:47   0.8   06:24   4.3   0.0   0.0   0.3   9.0   15:07    NE
19   9.9  19.4   13:29   3.1   02:38   3.8   0.0   0.0   0.2  10.0   12:51    SE
20  10.4  19.3   11:20   2.2   06:29   3.4   0.0   0.0   0.3  10.0   16:50     E
21   8.7  15.2   14:14   4.1   23:56   3.6   0.0   0.0   0.5  13.0   11:19   ENE
22   8.1  15.8   11:44   1.3   05:56   4.5   0.0   0.0   0.6  12.0   14:09     E
23   9.1  17.2   11:40   0.9   06:04   4.2   0.0   0.0   0.7  14.0   14:56   ESE
24  10.0  18.4   13:13   2.3   06:05   3.5   0.0   0.0   0.6  14.0   11:55     E
25   8.0  14.5   13:16   3.4   05:31   4.2   0.0   0.0   1.4  17.0   15:09   ENE
26   7.8  14.4   14:26   3.4   23:58   4.4   0.0   0.0   0.7  11.0   04:59   ENE
27   9.9  19.8   13:32   0.8   05:15   3.9   0.0   0.0   0.3   8.0   12:00    SE
28   9.5  13.6   09:07   5.2   05:28   2.7   0.0   0.0   0.8  16.0   10:37    NE
29   8.7  13.7   10:59   4.6   05:54   3.4   0.0   0.0   1.0  15.0   10:55     N
30   9.0  16.5   13:02   1.2   05:11   3.5   0.0   0.0   0.4  11.0   13:34     N
----------------------------------------------------------------------------------
     7.9  19.8    27    -1.3     7   138.8   0.0   0.4   0.8  23.0     5     NNE

Max >=  35.7  0
Max <=  33.6 30
Min <= -20.6  0
Min <= -18.0  0
Max Rain: 0.4 on day 15
Days of Rain: 1 (>= 0.2 mm)  0 (>= 2.0 mm)  0 (>= 20.0 mm)
Heat Base: 12.0  Cool Base: 24.0  Method: Integration