| Average Precipitation mm (in) | 68 (2.68) | 57 (2.2) | 87 (3.4) | 165 (6.5) | 214 (8.4) | 254 (10) | 229 (9) | 186 (7.3) | 113 (4.4) | 122 (4.8) | 114 (4.5) | 85 (3.3) | | 1694 (66.7) |
| Precipitation Litres/m² (Gallons/ft²) | 68 (1.67) | 57 (1.4) | 87 (2.13) | 165 (4.05) | 214 (5.25) | 254 (6.23) | 229 (5.62) | 186 (4.56) | 113 (2.77) | 122 (2.99) | 114 (2.8) | 85 (2.08) | | 1694 (41.55) |
| Number of Wet Days (probability of rain on a day) | 13 (42%) | 11 (39%) | 12 (39%) | 15 (50%) | 24 (77%) | 27 (90%) | 26 (84%) | 24 (77%) | 16 (53%) | 14 (45%) | 16 (53%) | 16 (52%) | | 214 (58%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 54 (46) | 53 (47) | 54 (46) | 49 (51) | 42 (58) | 37 (63) | 45 (55) | 50 (50) | 64 (36) | 65 (35) | 56 (44) | 53 (47) | | 53 (47) |