| Average Precipitation mm (in) | 133 (5.2) | 88 (3.5) | 126 (5) | 289 (11.4) | 394 (15.5) | 387 (15.2) | 390 (15.4) | 310 (12.2) | 363 (14.3) | 439 (17.3) | 319 (12.6) | 202 (8) | | 3440 (135.4) |
| Precipitation Litres/m² (Gallons/ft²) | 133 (3.26) | 88 (2.16) | 126 (3.09) | 289 (7.09) | 394 (9.66) | 387 (9.49) | 390 (9.57) | 310 (7.6) | 363 (8.9) | 439 (10.77) | 319 (7.82) | 202 (4.95) | | 3440 (84.37) |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | 8 (26%) | 9 (30%) | 10 (32%) | 12 (40%) | 16 (52%) | 15 (48%) | 14 (50%) | 17 (55%) | 16 (53%) | 15 (48%) | 10 (33%) | | 152 (42%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 56 (44) | 58 (42) | 56 (44) | 54 (46) | 49 (51) | 44 (56) | 42 (58) | 39 (61) | 41 (59) | 31 (69) | 56 (44) | 56 (44) | | 49 (51) |