Historical Ranked Daily Data for January - Max 1hr Temp Fall / C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 4.3 | 03 Jan 2012 |
| 2 | 3.9 | 04 Jan 2022 |
| 3 | 3.9 | 14 Jan 2021 |
| 4 | 3.8 | 01 Jan 2017 |
| 5 | 3.8 | 25 Jan 2014 |
| 6 | 3.6 | 24 Jan 2018 |
| 7 | 3.5 | 16 Jan 2019 |
| 8 | 3.5 | 19 Jan 2012 |
| 9 | 3.1 | 15 Jan 2020 |
| 10 | 3.1 | 03 Jan 2018 |
| 11 | 3.1 | 12 Jan 2017 |
| 12 | 3.0 | 13 Jan 2020 |
| 13 | 3.0 | 03 Jan 2014 |
| 14 | 2.9 | 21 Jan 2023 |
| 15 | 2.9 | 29 Jan 2019 |
| 16 | 2.9 | 28 Jan 2015 |
| 17 | 2.8 | 09 Jan 2016 |
| 18 | 2.8 | 07 Jan 2016 |
| 19 | 2.8 | 10 Jan 2015 |
| 20 | 2.8 | 27 Jan 2012 |
| 21 | 2.7 | 17 Jan 2022 |
| 22 | 2.7 | 31 Jan 2018 |
| 23 | 2.6 | 24 Jan 2017 |
| 24 | 2.6 | 26 Jan 2012 |
| 25 | 2.4 | 24 Jan 2015 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.0 | 01 Jan 2015 |
| 2 | 0.2 | 11 Jan 2010 |
| 3 | 0.2 | 13 Jan 2010 |
| 4 | 0.2 | 22 Jan 2010 |
| 5 | 0.2 | 09 Jan 2018 |
| 6 | 0.2 | 22 Jan 2020 |
| 7 | 0.2 | 10 Jan 2021 |
| 8 | 0.3 | 10 Jan 2010 |
| 9 | 0.3 | 12 Jan 2010 |
| 10 | 0.3 | 20 Jan 2010 |
| 11 | 0.3 | 12 Jan 2011 |
| 12 | 0.3 | 29 Jan 2011 |
| 13 | 0.3 | 18 Jan 2012 |
| 14 | 0.3 | 19 Jan 2013 |
| 15 | 0.3 | 20 Jan 2013 |
| 16 | 0.3 | 05 Jan 2015 |
| 17 | 0.3 | 17 Jan 2016 |
| 18 | 0.3 | 07 Jan 2017 |
| 19 | 0.3 | 27 Jan 2017 |
| 20 | 0.3 | 31 Jan 2017 |
| 21 | 0.3 | 08 Jan 2018 |
| 22 | 0.3 | 05 Jan 2019 |
| 23 | 0.3 | 10 Jan 2019 |
| 24 | 0.3 | 04 Jan 2020 |
| 25 | 0.3 | 05 Jan 2020 |
Ranked daily data from 2009 to present for London, nw3. For Max 1hr Temp Fall, there are 465 valid values in Jan