Historical Ranked Periods - Wet % of day / % · 5-day mean
Start year
Top 5-day mean
#
Value
Date
1
50
30 Sep – 4 Oct 2020
2
39
7–11 Feb 2013
3
38
20–24 Dec 2012
4
37
17–21 Dec 2019
5
35
6–10 Mar 2013
6
34
25–29 Apr 2012
7
33
28 Nov – 2 Dec 2009
8
32
1–5 Jun 2012
9
32
5–9 Jul 2024
10
32
7–11 Jun 2012
11
32
28 Jan – 1 Feb 2014
12
32
10–14 Jun 2019
13
32
12–16 Jan 2021
14
30
10–14 Dec 2017
15
30
21–25 Dec 2013
16
30
11–15 Oct 2019
17
30
8–12 Apr 2018
18
29
3–7 Feb 2026
19
29
22–26 Sep 2024
20
29
24–28 May 2014
21
29
12–16 Jan 2020
22
28
4–8 Dec 2024
23
28
12–16 Oct 2014
24
28
23–27 Nov 2014
25
28
1–5 Nov 2023
Bottom 5-day mean
#
Value
Date
1
-0
29 Jun – 3 Jul 2017
2
-0
4–8 Jul 2017
3
-0
13–17 Jul 2017
4
-0
10–14 Jun 2017
5
-0
15–19 Jun 2017
6
-0
20–24 Jun 2017
7
-0
4–8 May 2017
8
-0
21–25 May 2017
9
-0
30 Mar – 3 Apr 2017
10
-0
4–8 Apr 2017
11
-0
9–13 Apr 2017
12
-0
18–22 Apr 2017
13
-0
13–17 Mar 2017
14
-0
16–20 Apr 2018
15
-0
3–7 Dec 2016
16
-0
14–18 Dec 2016
17
-0
27–31 Dec 2016
18
-0
17–21 Jan 2017
19
-0
22–26 Jan 2017
20
-0
10–14 Aug 2017
21
-0
18–22 Oct 2016
22
-0
26–30 Oct 2016
23
-0
23–27 Aug 2017
24
-0
13–17 Nov 2017
25
-0
1–5 Aug 2018
Wet % of day 5-day extremes: highest and lowest period means.
There are 6323 valid 5-day periods from 2009 to present in London, NW3 (complete windows only, hiding overlapping windows). Data for Wet % of day begins in 2009.
Percentage of the day (midnight to midnight, local time) that recorded measurable rain.