| Average Precipitation mm (in) | 111.2 (4.4) | 60 (2.4) | 26.7 (1.1) | 10.4 (0.4) | 7.9 (0.3) | 1.3 (0.1) | 0.4 (0) | 0 (0) | 3.7 (0.1) | 13.3 (0.5) | 54.5 (2.1) | 83.1 (3.3) | | 372.5 (14.7) |
| Precipitation Litres/m² (Gallons/ft²) | 111.2 (2.73) | 60 (1.47) | 26.7 (0.65) | 10.4 (0.26) | 7.9 (0.19) | 1.3 (0.03) | 0.4 (0.01) | 0 (0) | 3.7 (0.09) | 13.3 (0.33) | 54.5 (1.34) | 83.1 (2.04) | | 372.5 (9.14) |
| Number of Wet Days (probability of rain on a day) | 8 (26%) | 8 (26%) | 6 (20%) | 5 (16%) | 3 (10%) | 2 (6%) | 3 (10%) | 2 (7%) | 3 (10%) | 5 (17%) | 9 (29%) | 9 (30%) | | 63 (17%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 30 (70) | 35 (65) | 40 (60) | 43 (57) | 51 (49) | 60 (40) | 65 (35) | 60 (40) | 57 (43) | 50 (50) | 36 (64) | 26 (74) | | 48 (52) |