| Months | 2018 (cm) | 2019 (cm) |
| January | 5.6 | 11.6 |
| February | 29.0 | 27.6 |
| March | 41.1 | 38.9 |
| April | 54.3 | 54.9 |
| May | 69.3 | 73.7 |
| June | 91.2 | 88.5 |
| July | 98.6 | 104.6 |
| August | 108.7 | 114.3 |
| September | 123.7 |
|