| Average Precipitation mm (in) | 1 (0.04) | 0 (0) | 9 (0.4) | 58 (2.3) | 56 (2.2) | 82 (3.2) | 58 (2.3) | 40 (1.6) | 23 (0.9) | 27 (1.1) | 36 (1.4) | 9 (0.4) | | 399 (15.7) |
| Precipitation Litres/m² (Gallons/ft²) | 1 (0.02) | 0 (0) | 9 (0.22) | 58 (1.42) | 56 (1.37) | 82 (2.01) | 58 (1.42) | 40 (0.98) | 23 (0.56) | 27 (0.66) | 36 (0.88) | 9 (0.22) | | 399 (9.79) |
| Number of Wet Days (probability of rain on a day) | 0 (0%) | 0 (0%) | 1 (3%) | 5 (17%) | 7 (23%) | 13 (43%) | 13 (42%) | 10 (32%) | 5 (17%) | 4 (13%) | 4 (13%) | 2 (6%) | | 64 (17%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 73 (27) | 68 (32) | 76 (24) | 70 (30) | 73 (27) | 58 (42) | 60 (40) | 68 (32) | 71 (29) | 72 (28) | 71 (29) | 70 (30) | | 70 (30) |