 | Average Precipitation mm (in) | 0 (0) | 0 (0) | 0.1 (0) | 2 (0.1) | 5.5 (0.2) | 10.4 (0.4) | 35.2 (1.4) | 49.7 (2) | 8.2 (0.3) | 0.3 (0) | 0 (0) | 0 (0) | | 111.4 (4.4) |
 | Precipitation Litres/m² (Gallons/ft²) | 0 (0) | 0 (0) | 0.1 (0) | 2 (0.05) | 5.5 (0.13) | 10.4 (0.26) | 35.2 (0.86) | 49.7 (1.22) | 8.2 (0.2) | 0.3 (0.01) | 0 (0) | 0 (0) | | 111.4 (2.73) |
 | Number of Wet Days (probability of rain on a day) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | 2 (6%) | 3 (10%) | 7 (23%) | 11 (35%) | 4 (13%) | 0.5 (2%) | 0.5 (2%) | 0.5 (2%) | | 30.5 (8%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 86 (14) | 79 (21) | 80 (20) | 71 (29) | 76 (24) | 71 (29) | 75 (25) | 72 (28) | 75 (25) | 86 (14) | 86 (14) | 84 (16) | | 79 (21) |