 | Average Precipitation mm (in) | 64.5 (2.54) | 60.7 (2.4) | 86.6 (3.4) | 80 (3.1) | 91.2 (3.6) | 94.2 (3.7) | 95.3 (3.8) | 81.5 (3.2) | 75.4 (3) | 59.9 (2.4) | 72.4 (2.9) | 74.2 (2.9) | | 935.9 (36.8) |
 | Precipitation Litres/m² (Gallons/ft²) | 64.5 (1.58) | 60.7 (1.49) | 86.6 (2.12) | 80 (1.96) | 91.2 (2.24) | 94.2 (2.31) | 95.3 (2.34) | 81.5 (2) | 75.4 (1.85) | 59.9 (1.47) | 72.4 (1.78) | 74.2 (1.82) | | 935.9 (22.96) |
 | Number of Wet Days (probability of rain on a day) | 17 (55%) | 15 (53%) | 16 (52%) | 14 (47%) | 13 (42%) | 12 (40%) | 12 (39%) | 10 (32%) | 8 (27%) | 11 (35%) | 12 (40%) | 15 (48%) | | 155 (42%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 36 (64) | 37 (63) | 51 (49) | 49 (51) | 55 (45) | 63 (37) | 63 (37) | 61 (39) | 64 (36) | 61 (39) | 47 (53) | 39 (61) | | 54 (46) |