Historical Ranked Annual Data - Maximum Hourly Rain / mm
Top annual highest
#
Value
Date
1
32.0
2026
2
26.4
2025
3
25.5
2021
4
23.1
2022
5
16.5
2024
6
13.9
2023
7
10.0
2020
1
32.0
Current year
2
26.4
Last year
Bottom annual highest
#
Value
Date
1
10.0
2020
2
13.9
2023
3
16.5
2024
4
23.1
2022
5
25.5
2021
6
26.4
2025
7
32.0
2026
7
32.0
Current year
6
26.4
Last year
Maximum Hourly Rain annual extremes: highest and lowest annual maxima.
There are 7 valid years for the chosen period from 2020 to present in London, NW3. Data for Maximum Hourly Rain begins in 2009.