Historical Ranked Monthly-mean Data for December - Rainfall / mm
Weather Variable:
| Highest monthly-Total | ||
| Rank | Value | Date |
| 1 | 101.4 | Dec 2012 |
| 2 | 97.3 | Dec 2017 |
| 3 | 92.6 | Dec 2019 |
| 4 | 91.0 | Dec 2013 |
| 5 | 76.8 | Dec 2020 |
| 6 | 76.5 | Dec 2009 |
| 7 | 72.0 | Dec 2021 |
| Lowest monthly-Total | ||
| Rank | Value | Date |
| 1 | 10.5 | Dec 2016 |
| 2 | 26.7 | Dec 2010 |
| 3 | 41.2 | Dec 2014 |
| 4 | 52.2 | Dec 2015 |
| 5 | 56.2 | Dec 2011 |
| 6 | 58.1 | Dec 2022 |
| 7 | 61.5 | Dec 2018 |
Ranked monthly data from Dec 2009 to present. For Rainfall, there are 14 valid months from a possible 14 in Dec.