| Average Precipitation mm (in) | 91.5 (3.6) | 77.4 (3) | 57.4 (2.3) | 30 (1.2) | 15.2 (0.6) | 3.2 (0.1) | 1 (0) | 0.7 (0) | 19.5 (0.8) | 68.8 (2.7) | 58.8 (2.3) | 77.1 (3) | | 500.6 (19.7) |
| Precipitation Litres/m² (Gallons/ft²) | 91.5 (2.24) | 77.4 (1.9) | 57.4 (1.41) | 30 (0.74) | 15.2 (0.37) | 3.2 (0.08) | 1 (0.02) | 0.7 (0.02) | 19.5 (0.48) | 68.8 (1.69) | 58.8 (1.44) | 77.1 (1.89) | | 500.6 (12.28) |
| Number of Wet Days (probability of rain on a day) | 14 (45%) | 9 (32%) | 10 (32%) | 6 (20%) | 4 (13%) | 1 (3%) | 0.5 (2%) | 0.5 (2%) | 2 (7%) | 6 (19%) | 11 (37%) | 14 (45%) | | 78 (21%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 35 (65) | 39 (61) | 54 (46) | 61 (39) | 74 (26) | 79 (21) | 89 (11) | 90 (10) | 78 (22) | 61 (39) | 55 (45) | 43 (57) | | 67 (33) |