Historical Ranked Daily Data - Maximum Hourly Rain / mm
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 33.3 | 27 Jun 2009 |
| 2 | 26.4 | 12 May 2025 |
| 3 | 25.5 | 25 Jul 2021 |
| 4 | 23.3 | 10 Aug 2014 |
| 5 | 23.1 | 17 Aug 2022 |
| 6 | 20.0 | 12 Jul 2021 |
| 7 | 18.7 | 20 Sep 2014 |
| 8 | 18.5 | 02 Nov 2022 |
| 9 | 18.4 | 06 Sep 2011 |
| 10 | 16.5 | 23 Sep 2024 |
| 11 | 16.0 | 30 Jul 2017 |
| 12 | 14.9 | 06 Nov 2022 |
| 13 | 14.4 | 15 Jul 2024 |
| 14 | 14.1 | 05 Aug 2012 |
| 15 | 13.9 | 12 Jun 2023 |
| 16 | 13.4 | 13 Jul 2018 |
| 17 | 13.1 | 01 May 2010 |
| 18 | 12.5 | 26 Sep 2024 |
| 19 | 11.5 | 23 Jun 2016 |
| 20 | 11.5 | 08 Nov 2014 |
| 21 | 11.4 | 16 Sep 2016 |
| 22 | 11.2 | 09 Aug 2017 |
| 23 | 11.2 | 24 Jul 2015 |
| 24 | 11.2 | 02 Oct 2010 |
| 25 | 11.0 | 05 Oct 2021 |
| 1070 | 1.4 | Today |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.0 | 07 Feb 2020 |
| 2 | 0.0 | 14 Feb 2020 |
| 3 | 0.0 | 05 Jul 2020 |
| 4 | 0.0 | 01 Jan 2021 |
| 5 | 0.0 | 23 Jan 2021 |
| 6 | 0.0 | 25 Jan 2021 |
| 7 | 0.0 | 23 Feb 2021 |
| 8 | 0.0 | 25 May 2021 |
| 9 | 0.0 | 29 May 2021 |
| 10 | 0.0 | 13 Jul 2021 |
| 11 | 0.0 | 14 Jul 2021 |
| 12 | 0.0 | 15 Jul 2021 |
| 13 | 0.0 | 16 Jul 2021 |
| 14 | 0.0 | 21 Jul 2021 |
| 15 | 0.0 | 07 Jan 2022 |
| 16 | 0.0 | 12 Jan 2022 |
| 17 | 0.0 | 17 Jan 2022 |
| 18 | 0.0 | 20 Jan 2022 |
| 19 | 0.0 | 28 Jun 2022 |
| 20 | 0.0 | 15 Sep 2022 |
| 21 | 0.0 | 12 Dec 2022 |
| 22 | 0.0 | 13 Dec 2022 |
| 23 | 0.0 | 17 Dec 2022 |
| 24 | 0.0 | 24 Feb 2024 |
| 25 | 0.0 | 26 Feb 2024 |
| 1346 | 1.4 | Today |
Ranked daily data from 2009 to present for London, nw3. For Maximum Hourly Rain, there are 2415 valid values