 | Average Precipitation mm (in) | 149.8 (5.9) | 123.6 (4.9) | 108.8 (4.3) | 75.4 (3) | 61.7 (2.4) | 45.7 (1.8) | 36.1 (1.4) | 38.1 (1.5) | 64.4 (2.5) | 115.3 (4.5) | 169.9 (6.7) | 178.5 (7) | | 1167.3 (46) |
 | Precipitation Litres/m² (Gallons/ft²) | 149.8 (3.67) | 123.6 (3.03) | 108.8 (2.67) | 75.4 (1.85) | 61.7 (1.51) | 45.7 (1.12) | 36.1 (0.89) | 38.1 (0.93) | 64.4 (1.58) | 115.3 (2.83) | 169.9 (4.17) | 178.5 (4.38) | | 1167.3 (28.63) |
 | Number of Wet Days (probability of rain on a day) | 20 (65%) | 16 (57%) | 17 (55%) | 13 (43%) | 10 (32%) | 10 (33%) | 7 (23%) | 7 (23%) | 10 (33%) | 15 (48%) | 18 (60%) | 21 (68%) | | 164 (45%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 19 (81) | 28 (72) | 33 (67) | 43 (57) | 50 (50) | 45 (55) | 61 (39) | 58 (42) | 47 (53) | 35 (65) | 22 (78) | 17 (83) | | 42 (58) |