| Average Precipitation mm (in) | 0.5 (0) | 2 (0.1) | 20 (0.8) | 90 (3.5) | 169 (6.7) | 217 (8.5) | 226 (8.9) | 192 (7.6) | 198 (7.8) | 99 (3.9) | 6 (0.2) | 0.5 (0) | | 1220 (48) |
| Precipitation Litres/m² (Gallons/ft²) | 0.5 (0.01) | 2 (0.05) | 20 (0.49) | 90 (2.21) | 169 (4.15) | 217 (5.32) | 226 (5.54) | 192 (4.71) | 198 (4.86) | 99 (2.43) | 6 (0.15) | 0.5 (0.01) | | 1220 (29.92) |
| Number of Wet Days (probability of rain on a day) | 0.5 (2%) | 0.5 (2%) | 3 (10%) | 13 (42%) | 20 (67%) | 23 (74%) | 22 (71%) | 20 (71%) | 23 (74%) | 12 (40%) | 2 (6%) | 0.5 (2%) | | 139.5 (38%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 92 (8) | 83 (17) | 61 (39) | 47 (53) | 33 (67) | 30 (70) | 30 (70) | 31 (69) | 38 (62) | 56 (44) | 86 (14) | 87 (13) | | 56 (44) |