Historical Ranked Daily Data - Dense Fog /
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 1 | 25 Apr 2026 |
| 2 | 1 | 05 Mar 2026 |
| 3 | 1 | 04 Mar 2026 |
| 4 | 1 | 29 Jan 2026 |
| 5 | 1 | 17 Dec 2025 |
| 6 | 1 | 29 Dec 2024 |
| 7 | 1 | 27 Dec 2024 |
| 8 | 1 | 18 Oct 2024 |
| 9 | 1 | 06 Sep 2024 |
| 10 | 1 | 11 May 2024 |
| 11 | 1 | 08 May 2024 |
| 12 | 1 | 25 Feb 2024 |
| 13 | 1 | 02 Dec 2023 |
| 14 | 1 | 30 Nov 2023 |
| 15 | 1 | 08 Feb 2023 |
| 16 | 1 | 07 Feb 2023 |
| 17 | 1 | 25 Jan 2023 |
| 18 | 1 | 11 Dec 2022 |
| 19 | 1 | 27 Mar 2022 |
| 20 | 1 | 16 Jan 2022 |
| 21 | 1 | 15 Jan 2022 |
| 22 | 1 | 19 Dec 2021 |
| 23 | 1 | 03 Mar 2021 |
| 24 | 1 | 28 Feb 2021 |
| 25 | 1 | 09 Jan 2021 |
| 83 | 0 | Yesterday |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0 | 01 Jan 2009 |
| 2 | 0 | 02 Jan 2009 |
| 3 | 0 | 03 Jan 2009 |
| 4 | 0 | 04 Jan 2009 |
| 5 | 0 | 05 Jan 2009 |
| 6 | 0 | 06 Jan 2009 |
| 7 | 0 | 07 Jan 2009 |
| 8 | 0 | 08 Jan 2009 |
| 9 | 0 | 10 Jan 2009 |
| 10 | 0 | 11 Jan 2009 |
| 11 | 0 | 12 Jan 2009 |
| 12 | 0 | 13 Jan 2009 |
| 13 | 0 | 15 Jan 2009 |
| 14 | 0 | 16 Jan 2009 |
| 15 | 0 | 17 Jan 2009 |
| 16 | 0 | 18 Jan 2009 |
| 17 | 0 | 19 Jan 2009 |
| 18 | 0 | 20 Jan 2009 |
| 19 | 0 | 21 Jan 2009 |
| 20 | 0 | 22 Jan 2009 |
| 21 | 0 | 23 Jan 2009 |
| 22 | 0 | 24 Jan 2009 |
| 23 | 0 | 25 Jan 2009 |
| 24 | 0 | 26 Jan 2009 |
| 25 | 0 | 27 Jan 2009 |
| 6311 | 0 | Yesterday |
Ranked daily data from 2009 to present for London, NW3. For Dense Fog, there are 6393 valid values, and 82 values > 0.