 | Average Precipitation mm (in) | 17 (0.67) | 11.4 (0.4) | 26.9 (1.1) | 46.2 (1.8) | 62.2 (2.4) | 71.6 (2.8) | 68.6 (2.7) | 61.7 (2.4) | 50.5 (2) | 42.7 (1.7) | 18.5 (0.7) | 16.5 (0.6) | | 493.8 (19.4) |
 | Precipitation Litres/m² (Gallons/ft²) | 17 (0.42) | 11.4 (0.28) | 26.9 (0.66) | 46.2 (1.13) | 62.2 (1.53) | 71.6 (1.76) | 68.6 (1.68) | 61.7 (1.51) | 50.5 (1.24) | 42.7 (1.05) | 18.5 (0.45) | 16.5 (0.4) | | 493.8 (12.11) |
 | Number of Wet Days (probability of rain on a day) | 8 (26%) | 7 (25%) | 8 (26%) | 8 (27%) | 10 (32%) | 11 (37%) | 9 (29%) | 10 (32%) | 8 (27%) | 6 (19%) | 7 (23%) | 7 (23%) | | 99 (27%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 48 (52) | 59 (41) | 60 (40) | 60 (40) | 62 (38) | 56 (44) | 70 (30) | 66 (34) | 59 (41) | 59 (41) | 40 (60) | 50 (50) | | 60 (40) |