Daily Data Tables - Maximum Rain Rate / mm/h · Mean (all years)
Start year
Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
15
11
10
14
34
1.5
0.4
3.8
36
42
18
7
2
11
9
9
10
35
31
7
23
15
23
32
13
3
31
5
4.3
12
20
17
4.6
7
11
19
17
12
4
10
9
11
2.7
7
13
21
32
10
16
10
6
5
13
2.7
11
6
9
13
24
28
22
13
9
16
6
15
10
5
15
43
22
19
36
49
15
11
6
7
19
23
7
20
2.7
24
18
18
17
13
7
10
8
10
8
9
2.9
8
28
24
4.1
21
21
15
6
9
11
17
8
2.8
10
20
16
43
12
21
15
5
10
5
10
2.5
4.0
13
26
12
58
17
23
25
18
11
8
6
11
4.7
17
8
17
44
18
20
13
12
12
5.0
10
16
15
31
39
43
11
18
18
10
6
13
16
3.7
9
11
12
7
18
15
25
21
16
12
14
11
10
16
8
9
13
9
14
14
14
11
10
15
22
9
3.5
27
6
12
28
43
15
23
13
11
16
13
9
17
4.2
27
5
25
26
59
24
7
7
17
6
9
7
10
22
26
27
33
8
9
15
1.8
18
4.9
15
9
3.2
12
18
28
35
19
29
3.0
4.0
19
7
4.9
6
9
12
16
14
8
19
11
9
13
20
9
13
2.3
13
11
19
13
10
43
25
12
4.6
21
5
7
18
6
18
25
14
1.5
14
13
12
12
22
10
9
18
6
29
10
13
9
16
31
11
23
23
8
10
2.1
12
7
47
17
24
21
47
10
9
24
9
12
11
8
12
14
10
28
25
12
11
10
25
14
2.4
6
11
17
48
23
10
7
1.6
11
26
16
7
10
12
24
2.9
8
25
22
5
4.2
10
27
8
14
15
14
10
25
21
17
27
11
9
7
28
13
7
8
11
12
15
17
16
23
16
2.3
13
29
4.3
11
8
9
23
4.9
27
30
15
11
17
23
30
10
3.6
20
1.9
30
21
21
14
11
18
14
31
7
4.4
11
11
54
19
22
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
4.3
2.4
2.1
2.7
1.9
1.5
0.4
1.5
8
5
1.6
1.8
Highest
31
23
18
27
43
47
48
58
59
47
32
23
Mean
11
9
9
10
16
18
19
24
21
19
12
11
Cumul
11
10
10
10
11
12
13
15
15
16
15
15
Maximum Rain Rate in London, NW3 — calendar-day mean 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).