Daily Data Tables - Wet Hours / hrs · Mean (all years)
Start year
Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
2
0.5
2
0.6
0.4
0.6
0.7
3
3
2
2
2
1
2
2
2
1
0.8
2
0.8
3
2
2
3
2
2
1
2
1
2
0.8
0.1
1
2
2
2
4
2
2
2
1
0.7
2
1
0.6
1
2
4
2
5
2
2
1
0.5
0.3
2
2
1
1
3
2
2
6
3
3
1
1.0
1
3
2
1
1
3
2
2
7
2
3
2
0.8
0.5
2
1
1
0.4
1
2
3
8
2
3
2
1
2
2
2
0.9
1
2
2
2
9
2
2
3
3
1
0.8
0.8
2
0.7
0.9
2
2
10
0.9
4
2
2
2
2
0.3
1
1
0.5
2
2
11
2
3
0.9
2
2
2
1
0.6
0.8
2
2
2
12
3
1
2
1.0
1
2
2
0.7
0.9
3
3
2
13
3
3
0.7
0.5
0.9
1.0
1
0.8
1
4
2
3
14
3
2
1.0
0.4
2
0.9
1
2
2
2
3
2
15
3
2
2
2
1
0.7
0.8
0.6
1
1
1
2
16
3
3
2
0.5
0.6
0.7
1.0
1
1
1
2
3
17
2
1
2
0.9
1
0.9
0.3
0.9
1.0
1
2
2
18
1
3
1
0.5
1
2
0.8
0.8
0.4
1
2
3
19
0.8
3
0.7
0.4
1
0.5
2
1
0.7
2
2
3
20
2
2
1
0.5
0.4
1
1
0.6
0.9
3
3
2
21
2
2
0.2
0.5
1
0.7
0.6
0.7
1
4
2
4
22
2
3
1
0.8
1
0.8
1
0.8
2
0.5
2
2
23
0.9
1
2
1
0.5
1
0.7
1
2
1
3
3
24
2
2
1
0.9
2
0.9
2
3
2
2
2
3
25
1
2
0.8
1
0.2
0.8
1
4
0.6
1
0.9
1
26
2
1
2
0.7
2
0.3
1
3
2
2
2
2
27
3
2
0.9
2
2
2
2
0.9
1
1
4
3
28
2
3
2
3
2
2
0.3
0.6
1
2
1
2
29
3
4
2
1
1
0.9
0.9
1
2
2
2
2
30
3
1
1
0.6
0.3
2
0.9
2
0.9
1
2
31
3
2
0.9
2
0.7
2
2
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Highest
3
4
3
3
2
3
2
4
2
4
4
4
Total
68
67
48
35
37
37
36
36
36
57
64
69
Count
31
29
31
30
31
30
31
31
30
31
30
31
Cumul
68
135
183
217
254
291
327
363
399
457
521
590
Wet Hours in London, NW3 — calendar-day mean across all years from 2009 onwards along with monthly summary: lowest, highest, total, count (days > 0), and the cumulative value for the year to the month's end.
Hours with measurable rainfall during the day (midnight to midnight, local time). Estimated heuristically from rain observations.