 | Average Precipitation mm (in) | 76.9 (3) | 62.4 (2.5) | 81.3 (3.2) | 90.6 (3.6) | 82.1 (3.2) | 97.1 (3.8) | 111.8 (4.4) | 74.5 (2.9) | 93.4 (3.7) | 106.5 (4.2) | 110.5 (4.4) | 94.6 (3.7) | | 1081.7 (42.6) |
 | Precipitation Litres/m² (Gallons/ft²) | 76.9 (1.89) | 62.4 (1.53) | 81.3 (1.99) | 90.6 (2.22) | 82.1 (2.01) | 97.1 (2.38) | 111.8 (2.74) | 74.5 (1.83) | 93.4 (2.29) | 106.5 (2.61) | 110.5 (2.71) | 94.6 (2.32) | | 1081.7 (26.53) |
 | Number of Wet Days (probability of rain on a day) | 17 (55%) | 15 (48%) | 15 (50%) | 17 (55%) | 18 (60%) | 18 (58%) | 17 (55%) | 16 (57%) | 17 (55%) | 18 (60%) | 18 (58%) | 20 (67%) | | 206 (56%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 36 (64) | 39 (61) | 40 (60) | 40 (60) | 37 (63) | 39 (61) | 42 (58) | 37 (63) | 38 (62) | 32 (68) | 33 (67) | 26 (74) | | 38 (62) |