| Average Precipitation mm (in) | 47.1 (1.85) | 52.2 (2.1) | 41 (1.6) | 50.6 (2) | 37.7 (1.5) | 28.2 (1.1) | 10.8 (0.4) | 8.2 (0.3) | 24.4 (1) | 42.3 (1.7) | 54.6 (2.1) | 52.5 (2.1) | | 449.6 (17.7) |
| Precipitation Litres/m² (Gallons/ft²) | 47.1 (1.16) | 52.2 (1.28) | 41 (1.01) | 50.6 (1.24) | 37.7 (0.92) | 28.2 (0.69) | 10.8 (0.26) | 8.2 (0.2) | 24.4 (0.6) | 42.3 (1.04) | 54.6 (1.34) | 52.5 (1.29) | | 449.6 (11.03) |
| Number of Wet Days (probability of rain on a day) | 6 (19%) | 7 (25%) | 8 (26%) | 8 (27%) | 7 (23%) | 3 (10%) | 1 (3%) | 1 (3%) | 3 (10%) | 6 (19%) | 6 (20%) | 7 (23%) | | 63 (17%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 46 (54) | 49 (51) | 49 (51) | 57 (43) | 67 (33) | 75 (25) | 89 (11) | 85 (15) | 69 (31) | 57 (43) | 50 (50) | 41 (59) | | 64 (36) |