| Average Precipitation mm (in) | 30.2 (1.2) | 30.2 (1.2) | 24.2 (1) | 28.7 (1.1) | 31.7 (1.2) | 28.6 (1.1) | 38.9 (1.5) | 27.8 (1.1) | 29.6 (1.2) | 36 (1.4) | 41.6 (1.6) | 28.2 (1.1) | | 375.7 (14.8) |
| Precipitation Litres/m² (Gallons/ft²) | 30.2 (0.74) | 30.2 (0.74) | 24.2 (0.59) | 28.7 (0.7) | 31.7 (0.78) | 28.6 (0.7) | 38.9 (0.95) | 27.8 (0.68) | 29.6 (0.73) | 36 (0.88) | 41.6 (1.02) | 28.2 (0.69) | | 375.7 (9.22) |
| Number of Wet Days (probability of rain on a day) | 11 (35%) | 10 (32%) | 11 (37%) | 8 (26%) | 10 (33%) | 12 (39%) | 11 (35%) | 10 (35%) | 11 (35%) | 13 (43%) | 12 (39%) | 11 (37%) | | 130 (36%) |