Historical Ranked Daily Data for July - Maximum Hourly Rain / mm
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 25.5 | 25 Jul 2021 |
| 2 | 20.0 | 12 Jul 2021 |
| 3 | 16.0 | 30 Jul 2017 |
| 4 | 14.4 | 15 Jul 2024 |
| 5 | 13.4 | 13 Jul 2018 |
| 6 | 11.2 | 24 Jul 2015 |
| 7 | 10.8 | 06 Jul 2024 |
| 8 | 7.7 | 28 Jul 2021 |
| 9 | 7.4 | 12 Jul 2016 |
| 10 | 7.1 | 08 Jul 2012 |
| 11 | 6.6 | 11 Jul 2017 |
| 12 | 6.3 | 25 Jul 2014 |
| 13 | 6.0 | 05 Jul 2024 |
| 14 | 6.0 | 18 Jul 2014 |
| 15 | 5.9 | 27 Jul 2018 |
| 16 | 5.5 | 16 Jul 2009 |
| 17 | 5.4 | 19 Jul 2025 |
| 18 | 5.0 | 08 Jul 2023 |
| 19 | 4.8 | 20 Jul 2021 |
| 20 | 4.6 | 27 Jul 2013 |
| 21 | 4.6 | 23 Jul 2013 |
| 22 | 4.6 | 20 Jul 2011 |
| 23 | 4.6 | 18 Jul 2011 |
| 24 | 4.5 | 19 Jul 2017 |
| 25 | 4.5 | 16 Jul 2011 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.0 | 05 Jul 2020 |
| 2 | 0.0 | 13 Jul 2021 |
| 3 | 0.0 | 14 Jul 2021 |
| 4 | 0.0 | 15 Jul 2021 |
| 5 | 0.0 | 16 Jul 2021 |
| 6 | 0.0 | 21 Jul 2021 |
| 7 | 0.2 | 10 Jul 2014 |
| 8 | 0.2 | 05 Jul 2015 |
| 9 | 0.2 | 08 Jul 2015 |
| 10 | 0.2 | 22 Jul 2015 |
| 11 | 0.2 | 27 Jul 2015 |
| 12 | 0.2 | 02 Jul 2016 |
| 13 | 0.2 | 23 Jul 2017 |
| 14 | 0.2 | 10 Jul 2020 |
| 15 | 0.2 | 13 Jul 2020 |
| 16 | 0.2 | 27 Jul 2021 |
| 17 | 0.2 | 20 Jul 2022 |
| 18 | 0.2 | 21 Jul 2022 |
| 19 | 0.2 | 22 Jul 2022 |
| 20 | 0.2 | 18 Jul 2023 |
| 21 | 0.2 | 11 Jul 2024 |
| 22 | 0.2 | 20 Jul 2024 |
| 23 | 0.3 | 15 Jul 2009 |
| 24 | 0.3 | 26 Jul 2009 |
| 25 | 0.3 | 26 Jul 2010 |
Ranked daily data from 2009 to present for London, nw3. For Maximum Hourly Rain, there are 196 valid values in Jul