Historical Ranked Monthly Data for Jan - Mean Rain Rate / mm/h
Weather Variable:
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| Top monthly mean | ||
| Rank | Value | Date |
| 1 | 1.3 | Jan 2014 |
| 2 | 1.3 | Jan 2011 |
| 3 | 1.2 | Jan 2012 |
| 4 | 1.2 | Jan 2019 |
| 5 | 1.1 | Jan 2024 |
| 6 | 1.0 | Jan 2018 |
| 7 | 0.9 | Jan 2021 |
| 8 | 0.9 | Jan 2015 |
| 9 | 0.9 | Jan 2026 |
| Bottom monthly mean | ||
| Rank | Value | Date |
| 1 | 0.7 | Jan 2013 |
| 2 | 0.7 | Jan 2016 |
| 3 | 0.7 | Jan 2017 |
| 4 | 0.8 | Jan 2022 |
| 5 | 0.8 | Jan 2020 |
| 6 | 0.9 | Jan 2025 |
| 7 | 0.9 | Jan 2010 |
| 8 | 0.9 | Jan 2023 |
| 9 | 0.9 | Jan 2026 |
Mean Rain Rate monthly extremes: highest and lowest monthly means.
There are 17 valid months for the chosen period from 2009 to present for Jan in London, NW3.
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