| Average Precipitation mm (in) | 98.6 (3.88) | 99.6 (3.9) | 91.2 (3.6) | 95.3 (3.8) | 131.6 (5.2) | 109 (4.3) | 93.2 (3.7) | 61.7 (2.4) | 79.2 (3.1) | 94.7 (3.7) | 113 (4.4) | 104.1 (4.1) | | 1171.2 (46.1) |
| Precipitation Litres/m² (Gallons/ft²) | 98.6 (2.42) | 99.6 (2.44) | 91.2 (2.24) | 95.3 (2.34) | 131.6 (3.23) | 109 (2.67) | 93.2 (2.29) | 61.7 (1.51) | 79.2 (1.94) | 94.7 (2.32) | 113 (2.77) | 104.1 (2.55) | | 1171.2 (28.73) |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | 9 (32%) | 10 (32%) | 9 (30%) | 8 (26%) | 7 (23%) | 8 (26%) | 7 (23%) | 6 (20%) | 6 (19%) | 8 (27%) | 9 (29%) | | 97 (27%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 48 (52) | 56 (44) | 60 (40) | 58 (42) | 70 (30) | 76 (24) | 77 (23) | 76 (24) | 74 (26) | 79 (21) | 65 (35) | 59 (41) | | 68 (32) |