| Average Precipitation mm (in) | 86.9 (3.42) | 83.1 (3.3) | 103.6 (4.1) | 106.7 (4.2) | 112.3 (4.4) | 93.2 (3.7) | 110.5 (4.4) | 101.9 (4) | 98.8 (3.9) | 90.4 (3.6) | 113.5 (4.5) | 99.3 (3.9) | | 1200.2 (47.3) |
| Precipitation Litres/m² (Gallons/ft²) | 86.9 (2.13) | 83.1 (2.04) | 103.6 (2.54) | 106.7 (2.62) | 112.3 (2.75) | 93.2 (2.29) | 110.5 (2.71) | 101.9 (2.5) | 98.8 (2.42) | 90.4 (2.22) | 113.5 (2.78) | 99.3 (2.44) | | 1200.2 (29.44) |
| Number of Wet Days (probability of rain on a day) | 11 (35%) | 10 (35%) | 12 (39%) | 11 (37%) | 12 (39%) | 10 (33%) | 10 (32%) | 10 (32%) | 8 (27%) | 8 (26%) | 9 (30%) | 10 (32%) | | 121 (33%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 52 (48) | 51 (49) | 58 (42) | 53 (47) | 56 (44) | 65 (35) | 68 (32) | 65 (35) | 62 (38) | 65 (35) | 57 (43) | 56 (44) | | 61 (39) |