Historical Ranked Monthly-mean Data for January - Rainfall / mm
Weather Variable:
| Highest monthly-Total | ||
| Rank | Value | Date |
| 1 | 141.5 | Jan 2014 |
| 2 | 97.7 | Jan 2021 |
| 3 | 75.7 | Jan 2015 |
| 4 | 73.0 | Jan 2011 |
| 5 | 72.0 | Jan 2018 |
| 6 | 71.3 | Jan 2016 |
| 7 | 71.1 | Jan 2009 |
| Lowest monthly-Total | ||
| Rank | Value | Date |
| 1 | 16.8 | Jan 2022 |
| 2 | 31.3 | Jan 2019 |
| 3 | 42.8 | Jan 2012 |
| 4 | 45.1 | Jan 2020 |
| 5 | 47.0 | Jan 2013 |
| 6 | 53.0 | Jan 2023 |
| 7 | 56.1 | Jan 2010 |
Ranked monthly data from Jan 2009 to present. For Rainfall, there are 15 valid months from a possible 15 in Jan.