| Average Precipitation mm (in) | 131.1 (5.16) | 103.7 (4.1) | 86.3 (3.4) | 83.3 (3.3) | 78.2 (3.1) | 48.8 (1.9) | 25.2 (1) | 28.8 (1.1) | 62.5 (2.5) | 104 (4.1) | 116.2 (4.6) | 127.8 (5) | | 995.9 (39.2) |
| Precipitation Litres/m² (Gallons/ft²) | 131.1 (3.22) | 103.7 (2.54) | 86.3 (2.12) | 83.3 (2.04) | 78.2 (1.92) | 48.8 (1.2) | 25.2 (0.62) | 28.8 (0.71) | 62.5 (1.53) | 104 (2.55) | 116.2 (2.85) | 127.8 (3.13) | | 995.9 (24.43) |
| Number of Wet Days (probability of rain on a day) | 19 (61%) | 15 (53%) | 16 (52%) | 12 (40%) | 12 (39%) | 9 (30%) | 8 (26%) | 9 (29%) | 11 (37%) | 14 (45%) | 17 (57%) | 19 (61%) | | 161 (44%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 34 (66) | 39 (61) | 38 (62) | 48 (52) | 50 (50) | 48 (52) | 57 (43) | 58 (42) | 47 (53) | 46 (54) | 39 (61) | 30 (70) | | 47 (53) |