Historical Ranked Daily Data for April - Max 1hr Temp Fall / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 5.1 | 12 Apr 2020 |
| 2 | 5.1 | 12 Apr 2015 |
| 3 | 4.5 | 17 Apr 2012 |
| 4 | 4.3 | 20 Apr 2023 |
| 5 | 4.3 | 18 Apr 2013 |
| 6 | 4.3 | 22 Apr 2012 |
| 7 | 4.2 | 11 Apr 2026 |
| 8 | 4.2 | 15 Apr 2024 |
| 9 | 4.1 | 25 Apr 2026 |
| 10 | 4.1 | 30 Apr 2020 |
| 11 | 3.8 | 25 Apr 2013 |
| 12 | 3.6 | 15 Apr 2015 |
| 13 | 3.6 | 20 Apr 2012 |
| 14 | 3.5 | 08 Apr 2026 |
| 15 | 3.5 | 13 Apr 2025 |
| 16 | 3.5 | 24 Apr 2020 |
| 17 | 3.5 | 11 Apr 2020 |
| 18 | 3.5 | 19 Apr 2019 |
| 19 | 3.4 | 11 Apr 2025 |
| 20 | 3.4 | 01 Apr 2021 |
| 21 | 3.4 | 18 Apr 2018 |
| 22 | 3.3 | 11 Apr 2021 |
| 23 | 3.3 | 10 Apr 2012 |
| 24 | 3.2 | 09 Apr 2021 |
| 25 | 3.2 | 09 Apr 2017 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.4 | 07 Apr 2021 |
| 2 | 0.5 | 12 Apr 2009 |
| 3 | 0.5 | 08 Apr 2018 |
| 4 | 0.6 | 11 Apr 2009 |
| 5 | 0.6 | 09 Apr 2018 |
| 6 | 0.6 | 29 Apr 2018 |
| 7 | 0.7 | 09 Apr 2012 |
| 8 | 0.7 | 03 Apr 2013 |
| 9 | 0.7 | 04 Apr 2013 |
| 10 | 0.7 | 13 Apr 2018 |
| 11 | 0.7 | 04 Apr 2022 |
| 12 | 0.7 | 05 Apr 2024 |
| 13 | 0.8 | 02 Apr 2009 |
| 14 | 0.8 | 17 Apr 2009 |
| 15 | 0.8 | 28 Apr 2012 |
| 16 | 0.8 | 27 Apr 2018 |
| 17 | 0.8 | 07 Apr 2019 |
| 18 | 0.8 | 02 Apr 2020 |
| 19 | 0.8 | 28 Apr 2020 |
| 20 | 0.8 | 03 Apr 2021 |
| 21 | 0.8 | 26 Apr 2023 |
| 22 | 0.9 | 06 Apr 2010 |
| 23 | 0.9 | 06 Apr 2011 |
| 24 | 0.9 | 09 Apr 2013 |
| 25 | 0.9 | 13 Apr 2017 |
Ranked daily data from 2009 to present for London, NW3. For Max 1hr Temp Fall, there are 529 valid values in Apr.