| Average Precipitation mm (in) | 252 (9.9) | 350 (13.8) | 459 (18.1) | 573 (22.6) | 581 (22.9) | 545 (21.5) | 361 (14.2) | 252 (9.9) | 355 (14) | 409 (16.1) | 340 (13.4) | 289 (11.4) | | 4766 (187.6) |
| Precipitation Litres/m² (Gallons/ft²) | 252 (6.18) | 350 (8.58) | 459 (11.26) | 573 (14.05) | 581 (14.25) | 545 (13.37) | 361 (8.85) | 252 (6.18) | 355 (8.71) | 409 (10.03) | 340 (8.34) | 289 (7.09) | | 4766 (116.9) |
| Number of Wet Days (probability of rain on a day) | 12 (39%) | 14 (45%) | 16 (53%) | 20 (65%) | 21 (70%) | 20 (65%) | 16 (52%) | 13 (46%) | 15 (48%) | 17 (57%) | 14 (45%) | 12 (40%) | | 190 (52%) |
| Percentage of Sunny (Cloudy) Daylight Hours | 62 (38) | 61 (39) | 56 (44) | 54 (46) | 50 (50) | 51 (49) | 56 (44) | 60 (40) | 60 (40) | 61 (39) | 67 (33) | 62 (38) | | 59 (41) |