| Average Precipitation mm (in) | 71 (2.8) | 79 (3.1) | 71 (2.8) | 89 (3.5) | 292 (11.5) | 462 (18.2) | 932 (36.7) | 574 (22.6) | 564 (22.2) | 320 (12.6) | 140 (5.5) | 158 (6.2) | | 3752 (147.7) |
| Precipitation Litres/m² (Gallons/ft²) | 71 (1.74) | 79 (1.94) | 71 (1.74) | 89 (2.18) | 292 (7.16) | 462 (11.33) | 932 (22.86) | 574 (14.08) | 564 (13.83) | 320 (7.85) | 140 (3.43) | 158 (3.88) | | 3752 (92.03) |
| Number of Wet Days (probability of rain on a day) | 5 (16%) | 3 (10%) | 3 (10%) | 6 (19%) | 17 (57%) | 21 (68%) | 24 (77%) | 21 (74%) | 20 (65%) | 16 (53%) | 10 (32%) | 7 (23%) | | 153 (42%) |