Historical Ranked Daily Data for April - Maximum Humidity / %
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 98 | 21 Apr 2014 |
| 2 | 98 | 14 Apr 2013 |
| 3 | 98 | 11 Apr 2013 |
| 4 | 98 | 29 Apr 2012 |
| 5 | 97 | 22 Apr 2023 |
| 6 | 97 | 12 Apr 2018 |
| 7 | 97 | 11 Apr 2018 |
| 8 | 97 | 30 Apr 2014 |
| 9 | 97 | 25 Apr 2014 |
| 10 | 97 | 13 Apr 2013 |
| 11 | 97 | 28 Apr 2012 |
| 12 | 97 | 24 Apr 2012 |
| 13 | 97 | 13 Apr 2012 |
| 14 | 97 | 28 Apr 2009 |
| 15 | 97 | 18 Apr 2009 |
| 16 | 97 | 17 Apr 2009 |
| 17 | 97 | 13 Apr 2009 |
| 18 | 97 | 12 Apr 2009 |
| 19 | 97 | 11 Apr 2009 |
| 20 | 96 | 29 Apr 2023 |
| 21 | 96 | 28 Apr 2023 |
| 22 | 96 | 08 Apr 2023 |
| 23 | 96 | 06 Apr 2023 |
| 24 | 96 | 29 Apr 2020 |
| 25 | 96 | 26 Apr 2020 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 66 | 21 Apr 2011 |
| 2 | 66 | 17 Apr 2014 |
| 3 | 67 | 25 Apr 2017 |
| 4 | 68 | 23 Apr 2017 |
| 5 | 69 | 11 Apr 2017 |
| 6 | 69 | 19 Apr 2017 |
| 7 | 69 | 10 Apr 2026 |
| 8 | 70 | 21 Apr 2010 |
| 9 | 70 | 18 Apr 2013 |
| 10 | 70 | 11 Apr 2014 |
| 11 | 70 | 15 Apr 2015 |
| 12 | 71 | 24 Apr 2010 |
| 13 | 71 | 09 Apr 2011 |
| 14 | 71 | 15 Apr 2011 |
| 15 | 71 | 10 Apr 2017 |
| 16 | 71 | 13 Apr 2017 |
| 17 | 71 | 30 Apr 2017 |
| 18 | 72 | 13 Apr 2011 |
| 19 | 72 | 16 Apr 2011 |
| 20 | 72 | 20 Apr 2017 |
| 21 | 72 | 17 Apr 2018 |
| 22 | 73 | 14 Apr 2011 |
| 23 | 73 | 19 Apr 2011 |
| 24 | 73 | 18 Apr 2016 |
| 25 | 73 | 14 Apr 2020 |
Ranked daily data from 2009 to present for London, NW3. For Maximum Humidity, there are 540 valid values in Apr.