 | Average Precipitation mm (in) | 62.2 (2.45) | 59 (2.3) | 50.7 (2) | 40.2 (1.6) | 18.8 (0.7) | 5.8 (0.2) | 0.7 (0) | 0.4 (0) | 4.9 (0.2) | 31.1 (1.2) | 74.4 (2.9) | 77.6 (3.1) | | 425.8 (16.8) |
 | Precipitation Litres/m² (Gallons/ft²) | 62.2 (1.53) | 59 (1.45) | 50.7 (1.24) | 40.2 (0.99) | 18.8 (0.46) | 5.8 (0.14) | 0.7 (0.02) | 0.4 (0.01) | 4.9 (0.12) | 31.1 (0.76) | 74.4 (1.82) | 77.6 (1.9) | | 425.8 (10.44) |
 | Number of Wet Days (probability of rain on a day) | 6 (19%) | 6 (21%) | 7 (23%) | 3 (10%) | 2 (6%) | 1 (3%) | 0 (0%) | 0 (0%) | 1 (3%) | 4 (13%) | 8 (27%) | 7 (23%) | | 45 (12%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 55 (45) | 53 (47) | 62 (38) | 65 (35) | 69 (31) | 67 (33) | 72 (28) | 73 (27) | 71 (29) | 66 (34) | 54 (46) | 55 (45) | | 65 (35) |