| Average Precipitation mm (in) | 228.7 (9) | 208.5 (8.2) | 145.9 (5.7) | 120.9 (4.8) | 11.9 (0.5) | 103.1 (4.1) | 90.1 (3.5) | 93.3 (3.7) | 98.9 (3.9) | 143.3 (5.6) | 234.1 (9.2) | 223.8 (8.8) | | 1702.5 (67) |
| Precipitation Litres/m² (Gallons/ft²) | 228.7 (5.61) | 208.5 (5.11) | 145.9 (3.58) | 120.9 (2.97) | 11.9 (0.29) | 103.1 (2.53) | 90.1 (2.21) | 93.3 (2.29) | 98.9 (2.43) | 143.3 (3.51) | 234.1 (5.74) | 223.8 (5.49) | | 1702.5 (41.76) |
| Number of Wet Days (probability of rain on a day) | 23 (74%) | 21 (68%) | 19 (63%) | 17 (55%) | 18 (60%) | 16 (52%) | 13 (42%) | 12 (42%) | 15 (48%) | 20 (67%) | 24 (77%) | 24 (80%) | | 222 (61%) |