| Average Precipitation mm (in) | 128 (5.04) | 100 (3.9) | 62 (2.4) | 73 (2.9) | 58 (2.3) | 75 (3) | 104 (4.1) | 143 (5.6) | 156 (6.1) | 153 (6) | 176 (6.9) | 173 (6.8) | | 1401 (55.2) |
| Precipitation Litres/m² (Gallons/ft²) | 128 (3.14) | 100 (2.45) | 62 (1.52) | 73 (1.79) | 58 (1.42) | 75 (1.84) | 104 (2.55) | 143 (3.51) | 156 (3.83) | 153 (3.75) | 176 (4.32) | 173 (4.24) | | 1401 (34.36) |
| Number of Wet Days (probability of rain on a day) | 19 (61%) | 16 (57%) | 12 (39%) | 13 (43%) | 10 (32%) | 12 (40%) | 14 (45%) | 15 (48%) | 18 (60%) | 18 (58%) | 20 (67%) | 21 (68%) | | 188 (52%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 26 (74) | 32 (68) | 38 (62) | 43 (57) | 48 (52) | 51 (49) | 48 (52) | 46 (54) | 40 (60) | 31 (69) | 21 (79) | 17 (83) | | 41 (59) |