| Average Precipitation mm (in) | 64 (2.52) | 121 (4.8) | 122 (4.8) | 203 (8) | 212 (8.3) | 254 (10) | 118 (4.6) | 121 (4.8) | 80 (3.1) | 83 (3.3) | 85 (3.3) | 68 (2.7) | | 1531 (60.3) |
| Precipitation Litres/m² (Gallons/ft²) | 64 (1.57) | 121 (2.97) | 122 (2.99) | 203 (4.98) | 212 (5.2) | 254 (6.23) | 118 (2.89) | 121 (2.97) | 80 (1.96) | 83 (2.04) | 85 (2.08) | 68 (1.67) | | 1531 (37.55) |
| Number of Wet Days (probability of rain on a day) | 12 (39%) | 15 (53%) | 16 (52%) | 18 (60%) | 17 (55%) | 14 (47%) | 10 (32%) | 11 (35%) | 9 (30%) | 11 (35%) | 12 (40%) | 14 (45%) | | 159 (44%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 27 (73) | 15 (85) | 26 (74) | 19 (81) | 32 (68) | 34 (66) | 49 (51) | 57 (43) | 42 (58) | 57 (43) | 34 (66) | 24 (76) | | 36 (64) |