Daily Data Tables - Wet % of day / %
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
0
0
0
0
0
0
0
0
0
0
0
0
Highest
58
33
29
17
29
54
33
29
38
46
25
38
Mean
12
8.4
3.4
0.9
9.2
7.2
6.0
4.3
3.9
7.6
2.5
8.8
Cumul
12
10
8.0
6.2
6.8
6.9
6.8
6.5
6.2
6.3
6.0
6.2
Wet % of day in London, NW3, for every available day of 2021 along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end. Data for Wet % of day begins in 2009.