Historical Ranked Monthly Data - Maximum 10-min Rain / mm
Start year
Top monthly mean
#
Value
Date
1
5.2
Aug 2022
2
4.0
Jun 2023
3
3.1
Sep 2014
4
2.6
Jul 2018
5
2.2
Aug 2014
6
2.0
Aug 2013
7
2.0
Aug 2017
8
1.9
Sep 2024
9
1.9
Sep 2016
10
1.9
Jul 2024
11
1.9
Oct 2016
12
1.8
May 2010
13
1.8
Sep 2023
14
1.7
Aug 2010
15
1.7
Jul 2021
16
1.7
May 2025
17
1.7
May 2020
18
1.6
Jul 2014
19
1.6
Jun 2010
20
1.6
Mar 2012
21
1.6
Jun 2026
22
1.6
Jul 2016
23
1.6
Sep 2011
24
1.6
Jun 2009
25
1.5
Sep 2009
Bottom monthly mean
#
Value
Date
1
0.2
Jun 2018
2
0.3
Apr 2021
3
0.3
Nov 2021
4
0.3
Jul 2022
5
0.3
Dec 2016
6
0.3
Mar 2022
7
0.4
Feb 2023
8
0.4
Mar 2011
9
0.4
Apr 2017
10
0.4
Apr 2019
11
0.4
Jan 2010
12
0.4
Aug 2016
13
0.4
Nov 2020
14
0.5
Jan 2022
15
0.5
Feb 2018
16
0.5
Feb 2011
17
0.5
Apr 2018
18
0.5
Jul 2020
19
0.5
May 2026
20
0.5
Nov 2019
21
0.5
Feb 2015
22
0.5
Mar 2025
23
0.5
Dec 2022
24
0.5
Feb 2025
25
0.5
Jan 2021
Maximum 10-min Rain monthly extremes: highest and lowest monthly means.
There are 206 valid months for the chosen period from 2009 to present in London, NW3. Data for Maximum 10-min Rain begins in 2009.
Largest amount of rain that fell in any 10-minute period during the day (midnight to midnight, local time).