Historical Ranked Periods - Wet Hours / hrs · 5-day total
Start year
Top 5-day total
#
Value
Date
1
60
30 Sep – 4 Oct 2020
2
47
7–11 Feb 2013
3
45
20–24 Dec 2012
4
44
17–21 Dec 2019
5
42
6–10 Mar 2013
6
41
25–29 Apr 2012
7
40
28 Nov – 2 Dec 2009
8
39
1–5 Jun 2012
9
38
5–9 Jul 2024
10
38
12–16 Jan 2021
11
38
10–14 Jun 2019
12
38
28 Jan – 1 Feb 2014
13
38
7–11 Jun 2012
14
36
11–15 Oct 2019
15
36
10–14 Dec 2017
16
36
21–25 Dec 2013
17
36
8–12 Apr 2018
18
35
3–7 Feb 2026
19
35
22–26 Sep 2024
20
35
24–28 May 2014
21
34
4–8 Dec 2024
22
34
12–16 Jan 2020
23
34
12–16 Oct 2014
24
33
4–8 Jan 2025
25
33
1–5 Nov 2023
Bottom 5-day total
#
Value
Date
1
-0
28 May – 1 Jun 2009
2
-0
20–24 May 2009
3
-0
10–14 Oct 2011
4
-0
19–23 Oct 2011
5
-0
21–25 Jul 2012
6
-0
27–31 Mar 2014
7
-0
7–11 Sep 2014
8
-0
18–22 Oct 2016
9
-0
26–30 Oct 2016
10
-0
26–30 Jul 2024
11
-0
9–13 Aug 2024
12
-0
17–21 Aug 2024
13
-0
16–20 Apr 2025
14
-0
6–10 Dec 2013
15
-0
29 Jul – 2 Aug 2015
16
-0
13–17 Mar 2017
17
-0
5–9 Jun 2024
18
-0
29 Jun – 3 Jul 2009
19
-0
4–8 Sep 2009
20
-0
9–13 Sep 2009
21
-0
23–27 Nov 2010
22
-0
8–12 Feb 2015
23
0
18–22 Apr 2009
24
0
14–18 Aug 2009
25
0
1–5 Mar 2010
Wet Hours 5-day extremes: highest and lowest period totals.
There are 6323 valid 5-day periods from 2009 to present in London, NW3 (complete windows only, hiding overlapping windows). Data for Wet Hours begins in 2009.
Hours with measurable rainfall during the day (midnight to midnight, local time). Estimated heuristically from rain observations.