| Average Precipitation mm (in) | 98 (3.86) | 71 (2.8) | 71 (2.8) | 56 (2.2) | 60 (2.4) | 63 (2.5) | 57 (2.2) | 82 (3.2) | 82 (3.2) | 93 (3.7) | 95 (3.7) | 99 (3.9) | | 927 (36.5) |
| Precipitation Litres/m² (Gallons/ft²) | 98 (2.4) | 71 (1.74) | 71 (1.74) | 56 (1.37) | 60 (1.47) | 63 (1.55) | 57 (1.4) | 82 (2.01) | 82 (2.01) | 93 (2.28) | 95 (2.33) | 99 (2.43) | | 927 (22.74) |
| Number of Wet Days (probability of rain on a day) | 20 (65%) | 16 (57%) | 16 (52%) | 16 (53%) | 15 (48%) | 16 (53%) | 19 (61%) | 19 (61%) | 19 (63%) | 18 (58%) | 19 (63%) | 24 (77%) | | 217 (59%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 23 (77) | 25 (75) | 29 (71) | 36 (64) | 43 (57) | 35 (65) | 30 (70) | 35 (65) | 29 (71) | 27 (73) | 24 (76) | 19 (81) | | 32 (68) |