 | Average Precipitation mm (in) | 109 (4.29) | 84 (3.3) | 69 (2.7) | 46 (1.8) | 28 (1.1) | 13 (0.5) | 0.5 (0) | 3 (0.1) | 10 (0.4) | 36 (1.4) | 58 (2.3) | 107 (4.2) | | 563.5 (22.2) |
 | Precipitation Litres/m² (Gallons/ft²) | 109 (2.67) | 84 (2.06) | 69 (1.69) | 46 (1.13) | 28 (0.69) | 13 (0.32) | 0.5 (0.01) | 3 (0.07) | 10 (0.25) | 36 (0.88) | 58 (1.42) | 107 (2.62) | | 563.5 (13.82) |
 | Number of Wet Days (probability of rain on a day) | 12 (39%) | 10 (35%) | 9 (29%) | 7 (23%) | 5 (16%) | 3 (10%) | 0.5 (2%) | 0.5 (2%) | 2 (7%) | 5 (16%) | 7 (23%) | 10 (32%) | | 71 (20%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 47 (53) | 60 (40) | 72 (28) | 76 (24) | 86 (14) | 86 (14) | 97 (3) | 97 (3) | 90 (10) | 84 (16) | 67 (33) | 55 (45) | | 80 (20) |