Historical Ranked Daily Data for March - Maximum Hourly Rain / mm
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 8.5 | 05 Mar 2017 |
| 2 | 7.2 | 13 Mar 2026 |
| 3 | 6.0 | 04 Mar 2009 |
| 4 | 5.0 | 29 Mar 2016 |
| 5 | 4.8 | 28 Mar 2024 |
| 6 | 4.6 | 29 Mar 2023 |
| 7 | 4.2 | 12 Mar 2019 |
| 8 | 4.1 | 24 Mar 2023 |
| 9 | 4.1 | 04 Mar 2012 |
| 10 | 3.9 | 28 Mar 2016 |
| 11 | 3.8 | 06 Mar 2026 |
| 12 | 3.7 | 09 Mar 2016 |
| 13 | 3.6 | 31 Mar 2023 |
| 14 | 3.5 | 10 Mar 2019 |
| 15 | 3.5 | 30 Mar 2018 |
| 16 | 3.4 | 26 Mar 2021 |
| 17 | 3.4 | 18 Mar 2013 |
| 18 | 3.3 | 08 Mar 2020 |
| 19 | 3.2 | 01 Mar 2015 |
| 20 | 3.1 | 04 Mar 2019 |
| 21 | 3.1 | 22 Mar 2017 |
| 22 | 3.1 | 02 Mar 2014 |
| 23 | 3.0 | 01 Mar 2016 |
| 24 | 2.9 | 26 Mar 2024 |
| 25 | 2.9 | 03 Mar 2021 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.2 | 15 Mar 2015 |
| 2 | 0.2 | 05 Mar 2016 |
| 3 | 0.2 | 08 Mar 2016 |
| 4 | 0.2 | 04 Mar 2018 |
| 5 | 0.2 | 10 Mar 2018 |
| 6 | 0.2 | 01 Mar 2019 |
| 7 | 0.2 | 19 Mar 2020 |
| 8 | 0.2 | 30 Mar 2020 |
| 9 | 0.2 | 04 Mar 2021 |
| 10 | 0.2 | 16 Mar 2021 |
| 11 | 0.2 | 18 Mar 2021 |
| 12 | 0.2 | 03 Mar 2022 |
| 13 | 0.2 | 05 Mar 2022 |
| 14 | 0.2 | 14 Mar 2022 |
| 15 | 0.2 | 15 Mar 2022 |
| 16 | 0.2 | 17 Mar 2022 |
| 17 | 0.2 | 30 Mar 2022 |
| 18 | 0.2 | 31 Mar 2022 |
| 19 | 0.2 | 16 Mar 2023 |
| 20 | 0.2 | 14 Mar 2024 |
| 21 | 0.2 | 20 Mar 2024 |
| 22 | 0.2 | 22 Mar 2024 |
| 23 | 0.2 | 24 Mar 2024 |
| 24 | 0.2 | 07 Mar 2026 |
| 25 | 0.3 | 26 Mar 2009 |
Ranked daily data from 2009 to present for London, NW3. For Maximum Hourly Rain, there are 197 valid values in Mar.