| Period | Total (mm) | Mean | Ranking n=100 | Percentile |
|---|---|---|---|---|
| Jan | 557.6 | 602.1 | 45 | 45.0 |
| Feb | 755.5 | 719.0 | 40 | 40.0 |
| Mar | 421.7 | 742.8 | 73 | 73.0 |
| Apr | 400.1 | 527.0 | 64 | 64.0 |
| May | 147.8 | 328.7 | 83 | 83.0 |
| Jun | 224.3 | 198.7 | 36 | 36.0 |
| Jul | 445.2 | 154.5 | 2 | 2.0 |
| Aug | 177.0 | 126.3 | 30 | 30.0 |
| Sep | 168.2 | 111.4 | 27 | 27.0 |
| Oct | 51.9 | 106.7 | 56 | 56.0 |
| Nov | 84.1 | 166.6 | 62 | 62.0 |
| Dec* | 25.0 | 23.9 | 26 | 26.0 |
| Year* | 3458.4 | 3807.6 | 62 | 62.0 |