| Average Precipitation mm (in) | 20 (0.79) | 32 (1.3) | 80 (3.1) | 96 (3.8) | 56 (2.2) | 112 (4.4) | 245 (9.6) | 269 (10.6) | 117 (4.6) | 40 (1.6) | 9 (0.4) | 13 (0.5) | | 1089 (42.9) |
| Precipitation Litres/m² (Gallons/ft²) | 20 (0.49) | 32 (0.78) | 80 (1.96) | 96 (2.35) | 56 (1.37) | 112 (2.75) | 245 (6.01) | 269 (6.6) | 117 (2.87) | 40 (0.98) | 9 (0.22) | 13 (0.32) | | 1089 (26.71) |
| Number of Wet Days (probability of rain on a day) | 4 (13%) | 5 (18%) | 10 (32%) | 13 (43%) | 9 (29%) | 19 (63%) | 28 (90%) | 28 (90%) | 23 (77%) | 5 (16%) | 2 (7%) | 2 (6%) | | 148 (40%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 70 (30) | 56 (44) | 61 (39) | 48 (52) | 61 (39) | 45 (55) | 23 (77) | 25 (75) | 43 (57) | 69 (31) | 75 (25) | 85 (15) | | 56 (44) |