Daily Data Tables - Maximum Rain Rate / mm/h · Min (all years)
Start year
Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
3.4
1.0
2.4
4.4
10
1.0
0.4
1.6
24
10
2.2
3.4
2
0.7
1.4
0.8
1.0
8
10
0.2
1.8
0.4
1.0
2.2
2.6
3
0.3
1.3
1.1
2.2
2.9
2.9
0.4
4.8
2.4
0.9
0.4
0.3
4
1.8
0.4
3.6
0.6
0.9
2.4
1.0
15
0.6
0.9
0.4
0.7
5
0.3
0.4
0.3
0.8
7
2.3
2.9
0.8
5
2.6
1.2
0.4
6
0.6
1.6
1.2
1.1
3.6
1.6
1.0
7
2.6
0.8
1.8
1.2
7
1.4
1.4
0.7
15
1.8
3.3
1.3
1.0
4.5
3.3
0.4
0.6
8
0.3
1.1
1.6
0.4
0.9
4.8
5
1.0
3.6
3.3
0.7
0.7
9
0.8
3.3
0.9
0.5
5
0.9
14
24
7
0.6
0.4
0.6
10
0.8
0.4
0.3
0.3
0.9
0.3
5
7
7
7
1.8
1.8
11
0.5
1.2
0.3
0.5
0.4
2.7
0.3
1.4
0.9
1.6
1.1
2.1
12
0.8
0.4
1.8
8
0.4
1.8
2.4
0.3
1.2
1.9
0.4
0.5
13
0.3
0.7
0.8
4.4
3.3
0.9
0.4
0.6
2.9
1.4
1.2
0.3
14
0.4
1.2
1.4
3.6
0.3
0.8
0.4
0.5
1.0
7
2.2
0.2
15
1.5
1.0
1.9
1.0
0.4
0.8
14
3.1
0
2.1
0.6
0.3
16
1.1
1.1
6
2.9
6
3.6
1.2
0.4
9
0.2
0.8
0.8
17
0.6
1.1
1.6
0.3
14
7
4.1
1.1
0.7
0.4
0.4
0
18
2.2
1.1
2.2
2.4
0.8
2.1
3.2
0.3
2.6
1.4
0.4
0.7
19
1.8
0.4
0.5
2.9
0.6
5
0.8
1.5
1.3
1.3
0.9
2.7
20
7
0.3
1.0
2.9
4.8
7
6
2.0
0.8
0.3
0.3
0.5
21
3.6
1.0
18
2.7
1.5
1.0
3.3
0.5
0.6
0.9
0.3
0.6
22
2.4
0.4
0.5
1.8
5
2.3
1.7
2.7
2.2
7
0.8
0.3
23
1.6
0.3
0.7
0.5
0.4
2.2
1.6
2.4
0.4
1.8
0.4
0.7
24
0.3
0.3
1.4
5
1.3
0.3
1.0
0.9
2.4
1.8
1.4
0.3
25
0.4
0.8
0.6
1.0
1.6
1.4
1.5
0.4
0.3
0.4
0.7
26
1.4
5
5
0.2
0.4
0.4
0.3
0.3
2.5
0.8
0.9
3.3
27
0.7
0.6
1.6
4.8
0.6
0.8
0.8
2.3
3.0
4.2
1.4
0.6
28
2.3
1.4
0.5
0.3
2.4
1.1
2.2
2.7
0.7
1.5
1.4
0.4
29
0.7
4.8
0.6
0.9
1.1
0.3
3.6
3.6
5
1.8
2.6
2.9
30
0.5
0.3
1.1
0.7
0.2
7
18
1.1
1.7
0.5
1.6
31
1.8
1.1
1.2
1.1
54
0.7
2.3
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
0.3
0.3
0.3
0.2
0.3
0.2
0.2
0.3
0
0.2
0.3
0
Highest
7
5
18
15
14
10
14
54
24
10
2.6
3.4
Mean
1.4
1.2
2.0
2.4
2.9
2.4
2.9
5
3.2
2.3
1.0
1.1
Cumul
1.4
1.3
1.5
1.8
2.0
2.1
2.2
2.6
2.6
2.6
2.5
2.3
Maximum Rain Rate in London, NW3 — calendar-day minimum 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.
Highest instantaneous rain rate (1-min avg) recorded during the day (midnight to midnight, local time).