| Average Precipitation mm (in) | 6.4 (0.25) | 10.7 (0.4) | 26.4 (1) | 49.5 (1.9) | 65.4 (2.6) | 51 (2) | 92.8 (3.7) | 66.7 (2.6) | 107.5 (4.2) | 65.6 (2.6) | 25.6 (1) | 5.5 (0.2) | | 573.1 (22.6) |
| Precipitation Litres/m² (Gallons/ft²) | 6.4 (0.16) | 10.7 (0.26) | 26.4 (0.65) | 49.5 (1.21) | 65.4 (1.6) | 51 (1.25) | 92.8 (2.28) | 66.7 (1.64) | 107.5 (2.64) | 65.6 (1.61) | 25.6 (0.63) | 5.5 (0.13) | | 573.1 (14.06) |
| Number of Wet Days (probability of rain on a day) | 3 (10%) | 5 (18%) | 7 (23%) | 8 (27%) | 8 (26%) | 8 (27%) | 11 (35%) | 11 (35%) | 12 (40%) | 8 (26%) | 6 (20%) | 4 (13%) | | 91 (25%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 35 (65) | 32 (68) | 33 (67) | 35 (65) | 40 (60) | 42 (58) | 50 (50) | 48 (52) | 35 (65) | 40 (60) | 35 (65) | 37 (63) | | 40 (60) |