Daily Data Tables - Mean Rain Rate / mm/h · Max (all years)
Start year
Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2.6
2.2
7
1.8
5
1.0
0.7
2.1
4.7
3.3
2.7
2.4
2
2.1
1.2
1.4
1.2
3.0
2.8
3.0
6
1.9
5
8
1.6
3
2.4
0.8
1.6
1.5
2.5
1.0
1.2
1.8
1.9
4.0
3.4
1.3
4
2.2
1.9
1.1
0.8
1.1
1.3
3.2
2.7
1.6
1.7
2.9
1.4
5
3.3
1.5
3.3
2.0
2.3
2.1
2.0
8
2.4
3.0
1.7
3.6
6
2.1
1.6
1.1
1.7
3.2
4.0
4.2
4.6
4.3
2.2
2.7
1.4
7
2.5
2.6
0.9
1.5
0.7
3.2
2.4
3.0
1.8
2.5
1.8
1.5
8
2.3
1.2
2.1
1.0
1.5
2.1
3.3
1.2
5
4.8
3.3
0.8
9
1.6
2.1
1.3
0.7
1.5
3.3
1.2
2.4
3.8
2.1
2.1
2.2
10
1.0
1.8
1.1
1.1
2.0
3.5
2.0
4.5
3.0
4.7
1.8
1.7
11
2.0
1.5
2.4
1.0
2.2
1.3
4.7
2.4
3.9
1.2
2.0
2.8
12
1.6
1.9
1.2
2.9
19
14
5
4.0
4.6
1.5
2.0
1.5
13
2.2
1.3
2.5
2.0
1.3
1.1
6
2.6
2.6
1.9
1.5
3.0
14
6
1.2
0.7
3.8
1.8
2.5
1.6
1.9
1.9
1.4
3.1
2.2
15
1.4
1.6
1.2
1.6
1.5
2.4
4.2
9
2.3
6
2.2
2.3
16
1.9
1.6
0.9
1.3
2.5
3.7
2.5
9
2.6
2.6
1.5
2.5
17
2.0
1.3
1.5
1.0
3.0
5
2.2
7
1.3
1.9
1.4
2.5
18
1.4
1.8
1.9
1.6
3.0
1.6
6
7
2.7
2.5
1.3
2.0
19
1.2
1.2
1.0
1.7
1.1
1.7
3.3
1.4
2.7
3.4
1.0
2.9
20
1.1
2.2
1.4
4.0
1.5
1.9
3.0
2.3
15
4.6
1.9
1.5
21
1.2
1.5
2.4
1.1
1.8
2.7
1.8
0.6
2.4
1.6
1.7
1.4
22
1.6
1.4
2.0
1.9
2.6
1.7
1.1
1.3
2.3
2.8
2.2
1.2
23
2.5
3.0
1.0
2.5
2.0
16
3.0
3.1
3.0
4.5
2.1
2.4
24
2.1
1.4
2.5
1.6
2.6
1.5
2.9
2.6
2.3
1.9
1.8
2.3
25
3.0
1.2
1.4
2.9
0.4
1.6
5
3.1
1.2
3.4
1.3
3.3
26
4.8
2.5
1.9
1.3
4.8
1.2
1.3
2.7
3.5
1.6
1.1
1.7
27
2.1
1.8
2.7
1.8
1.6
12
3.6
5
3.5
1.8
2.8
1.6
28
2.2
1.6
1.5
2.2
2.8
6
3.6
1.4
2.2
2.2
1.7
1.1
29
2.4
1.2
2.3
2.2
5
1.2
2.8
3.9
1.6
1.2
2.0
1.9
30
1.4
1.5
2.3
1.0
7
9
1.7
2.1
1.4
1.5
1.6
31
1.1
0.9
2.1
3.0
1.5
2.2
3.8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
1.0
0.8
0.7
0.7
0.4
1.0
0.7
0.6
1.2
1.2
1.0
0.8
Highest
6
3.0
7
4.0
19
16
9
9
15
6
8
3.8
Mean
2.2
1.7
1.8
1.8
2.8
3.7
3.2
3.5
3.1
2.8
2.2
2.0
Cumul
2.2
1.9
1.9
1.9
2.0
2.3
2.4
2.6
2.6
2.7
2.6
2.6
Mean Rain Rate in London, NW3 — calendar-day maximum across all years from 2009 onwards along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end.
Mean rain rate during periods of rain, i.e. rain over wet hours, for the day (midnight to midnight, local time).