| Average Precipitation mm (in) | 47 (1.85) | 41 (1.6) | 70 (2.8) | 77 (3) | 95 (3.7) | 103 (4.1) | 86 (3.4) | 80 (3.1) | 69 (2.7) | 71 (2.8) | 56 (2.2) | 48 (1.9) | | 843 (33.2) |
| Precipitation Litres/m² (Gallons/ft²) | 47 (1.15) | 41 (1.01) | 70 (1.72) | 77 (1.89) | 95 (2.33) | 103 (2.53) | 86 (2.11) | 80 (1.96) | 69 (1.69) | 71 (1.74) | 56 (1.37) | 48 (1.18) | | 843 (20.68) |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | 10 (35%) | 12 (39%) | 12 (40%) | 13 (42%) | 11 (37%) | 9 (29%) | 9 (29%) | 8 (27%) | 8 (26%) | 10 (33%) | 10 (32%) | | 122 (33%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 43 (57) | 44 (56) | 57 (43) | 51 (49) | 62 (38) | 66 (34) | 68 (32) | 67 (33) | 65 (35) | 64 (36) | 45 (55) | 41 (59) | | 59 (41) |