| Average Precipitation mm (in) | 42 (1.65) | 33 (1.3) | 37 (1.5) | 33 (1.3) | 44 (1.7) | 53 (2.1) | 55 (2.2) | 41 (1.6) | 37 (1.5) | 32 (1.3) | 44 (1.7) | 54 (2.1) | | 505 (19.9) |
| Precipitation Litres/m² (Gallons/ft²) | 42 (1.03) | 33 (0.81) | 37 (0.91) | 33 (0.81) | 44 (1.08) | 53 (1.3) | 55 (1.35) | 41 (1.01) | 37 (0.91) | 32 (0.78) | 44 (1.08) | 54 (1.32) | | 505 (12.39) |
| Number of Wet Days (probability of rain on a day) | 13 (42%) | 13 (46%) | 11 (35%) | 9 (30%) | 9 (29%) | 10 (33%) | 8 (26%) | 6 (19%) | 7 (23%) | 9 (29%) | 11 (37%) | 13 (42%) | | 119 (33%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 32 (68) | 30 (70) | 43 (57) | 49 (51) | 58 (42) | 60 (40) | 71 (29) | 71 (29) | 63 (37) | 55 (45) | 40 (60) | 30 (70) | | 54 (46) |