| Average Precipitation mm (in) | 71.3 (2.81) | 58.6 (2.3) | 49.8 (2) | 18.4 (0.7) | 9.8 (0.4) | 2.8 (0.1) | 0.6 (0) | 2.8 (0.1) | 5.7 (0.2) | 39.3 (1.5) | 47.4 (1.9) | 69.4 (2.7) | | 375.9 (14.8) |
| Precipitation Litres/m² (Gallons/ft²) | 71.3 (1.75) | 58.6 (1.44) | 49.8 (1.22) | 18.4 (0.45) | 9.8 (0.24) | 2.8 (0.07) | 0.6 (0.01) | 2.8 (0.07) | 5.7 (0.14) | 39.3 (0.96) | 47.4 (1.16) | 69.4 (1.7) | | 375.9 (9.22) |
| Number of Wet Days (probability of rain on a day) | 12 (39%) | 9 (32%) | 8 (26%) | 4 (13%) | 3 (10%) | 1 (3%) | 0.5 (2%) | 0.5 (2%) | 1 (3%) | 4 (13%) | 6 (20%) | 12 (39%) | | 61 (17%) |