Historical Ranked Daily Data for January - Sun Anomaly / %
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 359 | 31 Jan 2022 |
| 2 | 359 | 29 Jan 2020 |
| 3 | 359 | 28 Jan 2019 |
| 4 | 359 | 06 Jan 2009 |
| 5 | 359 | 03 Jan 2009 |
| 6 | 355 | 26 Jan 2024 |
| 7 | 355 | 25 Jan 2021 |
| 8 | 346 | 21 Jan 2020 |
| 9 | 346 | 21 Jan 2017 |
| 10 | 346 | 20 Jan 2017 |
| 11 | 346 | 24 Jan 2015 |
| 12 | 341 | 19 Jan 2024 |
| 13 | 341 | 18 Jan 2024 |
| 14 | 341 | 17 Jan 2022 |
| 15 | 341 | 19 Jan 2020 |
| 16 | 341 | 18 Jan 2020 |
| 17 | 337 | 18 Jan 2017 |
| 18 | 337 | 27 Jan 2012 |
| 19 | 337 | 16 Jan 2012 |
| 20 | 335 | 15 Jan 2024 |
| 21 | 332 | 14 Jan 2022 |
| 22 | 332 | 13 Jan 2022 |
| 23 | 332 | 14 Jan 2012 |
| 24 | 328 | 09 Jan 2011 |
| 25 | 323 | 05 Jan 2022 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0 | 01 Jan 2009 |
| 2 | 0 | 07 Jan 2009 |
| 3 | 0 | 10 Jan 2009 |
| 4 | 0 | 12 Jan 2009 |
| 5 | 0 | 14 Jan 2009 |
| 6 | 0 | 25 Jan 2009 |
| 7 | 0 | 28 Jan 2009 |
| 8 | 0 | 06 Jan 2010 |
| 9 | 0 | 10 Jan 2010 |
| 10 | 0 | 11 Jan 2010 |
| 11 | 0 | 12 Jan 2010 |
| 12 | 0 | 13 Jan 2010 |
| 13 | 0 | 14 Jan 2010 |
| 14 | 0 | 15 Jan 2010 |
| 15 | 0 | 16 Jan 2010 |
| 16 | 0 | 19 Jan 2010 |
| 17 | 0 | 20 Jan 2010 |
| 18 | 0 | 22 Jan 2010 |
| 19 | 0 | 24 Jan 2010 |
| 20 | 0 | 27 Jan 2010 |
| 21 | 0 | 06 Jan 2011 |
| 22 | 0 | 12 Jan 2011 |
| 23 | 0 | 13 Jan 2011 |
| 24 | 0 | 14 Jan 2011 |
| 25 | 0 | 15 Jan 2011 |
Ranked daily data from 2009 to present for London, nw3. For Sun Anomaly, there are 496 valid values in Jan