| Average Precipitation mm (in) | 89 (3.5) | 74 (2.9) | 86 (3.4) | 79 (3.1) | 94 (3.7) | 94 (3.7) | 142 (5.6) | 140 (5.5) | 94 (3.7) | 76 (3) | 76 (3) | 76 (3) | | 1120 (44.1) |
| Precipitation Litres/m² (Gallons/ft²) | 89 (2.18) | 74 (1.82) | 86 (2.11) | 79 (1.94) | 94 (2.31) | 94 (2.31) | 142 (3.48) | 140 (3.43) | 94 (2.31) | 76 (1.86) | 76 (1.86) | 76 (1.86) | | 1120 (27.47) |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | 10 (35%) | 11 (35%) | 10 (33%) | 11 (35%) | 10 (33%) | 12 (39%) | 11 (35%) | 8 (27%) | 7 (23%) | 8 (27%) | 9 (29%) | | 117 (32%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 49 (51) | 50 (50) | 59 (41) | 62 (38) | 64 (36) | 68 (32) | 70 (30) | 65 (35) | 60 (40) | 59 (41) | 54 (46) | 53 (47) | | 62 (38) |