Historical Ranked Daily Data for Aug - Max 1hr Temp Rise / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 5.2 | 07 Aug 2020 |
| 2 | 5.0 | 09 Aug 2012 |
| 3 | 4.9 | 08 Aug 2013 |
| 4 | 4.8 | 11 Aug 2025 |
| 5 | 4.8 | 10 Aug 2025 |
| 6 | 4.8 | 04 Aug 2020 |
| 7 | 4.7 | 25 Aug 2025 |
| 8 | 4.7 | 11 Aug 2020 |
| 9 | 4.7 | 06 Aug 2018 |
| 10 | 4.6 | 07 Aug 2022 |
| 11 | 4.6 | 14 Aug 2013 |
| 12 | 4.5 | 24 Aug 2025 |
| 13 | 4.5 | 06 Aug 2010 |
| 14 | 4.3 | 22 Aug 2011 |
| 15 | 4.2 | 22 Aug 2025 |
| 16 | 4.2 | 25 Aug 2019 |
| 17 | 4.1 | 07 Aug 2018 |
| 18 | 4.1 | 14 Aug 2017 |
| 19 | 4.1 | 23 Aug 2016 |
| 20 | 3.9 | 13 Aug 2025 |
| 21 | 3.9 | 31 Aug 2010 |
| 22 | 3.8 | 24 Aug 2023 |
| 23 | 3.8 | 07 Aug 2019 |
| 24 | 3.8 | 01 Aug 2018 |
| 25 | 3.8 | 10 Aug 2011 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.5 | 30 Aug 2017 |
| 2 | 0.6 | 26 Aug 2014 |
| 3 | 0.6 | 09 Aug 2018 |
| 4 | 0.7 | 04 Aug 2009 |
| 5 | 0.7 | 04 Aug 2011 |
| 6 | 0.7 | 23 Aug 2011 |
| 7 | 0.7 | 02 Aug 2016 |
| 8 | 0.7 | 19 Aug 2016 |
| 9 | 0.7 | 09 Aug 2017 |
| 10 | 0.8 | 26 Aug 2011 |
| 11 | 0.8 | 31 Aug 2015 |
| 12 | 0.8 | 21 Aug 2017 |
| 13 | 0.8 | 15 Aug 2020 |
| 14 | 0.9 | 17 Aug 2010 |
| 15 | 0.9 | 08 Aug 2017 |
| 16 | 0.9 | 14 Aug 2020 |
| 17 | 0.9 | 30 Aug 2021 |
| 18 | 1.0 | 07 Aug 2009 |
| 19 | 1.0 | 22 Aug 2013 |
| 20 | 1.0 | 24 Aug 2013 |
| 21 | 1.0 | 25 Aug 2014 |
| 22 | 1.0 | 18 Aug 2018 |
| 23 | 1.0 | 17 Aug 2021 |
| 24 | 1.1 | 01 Aug 2009 |
| 25 | 1.1 | 30 Aug 2011 |
Ranked daily data from 2009 to present for London, NW3. For Max 1hr Temp Rise, there are 519 valid values in Aug.