| Average Precipitation mm (in) | 0.1 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1.7 (0.1) | 2.2 (0.1) | 7.1 (0.3) | 1 (0) | 0.2 (0) | 0 (0) | 0 (0) | | 12.3 (0.5) |
| Precipitation Litres/m² (Gallons/ft²) | 0.1 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1.7 (0.04) | 2.2 (0.05) | 7.1 (0.17) | 1 (0.02) | 0.2 (0) | 0 (0) | 0 (0) | | 12.3 (0.3) |
| Number of Wet Days (probability of rain on a day) | 0.5 (2%) | 0 (0%) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | 1 (3%) | 2 (6%) | 1 (3%) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | | 8 (2%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 87 (13) | 79 (21) | 82 (18) | 75 (25) | 82 (18) | 78 (22) | 84 (16) | 82 (18) | 82 (18) | 89 (11) | 89 (11) | 88 (12) | | 84 (16) |