 | Average Precipitation mm (in) | 90.2 (3.55) | 56.1 (2.2) | 55.9 (2.2) | 39.1 (1.5) | 28.7 (1.1) | 12.7 (0.5) | 15 (0.6) | 11.2 (0.4) | 19.8 (0.8) | 57.9 (2.3) | 76.2 (3) | 96.5 (3.8) | | 559.3 (22) |
 | Precipitation Litres/m² (Gallons/ft²) | 90.2 (2.21) | 56.1 (1.38) | 55.9 (1.37) | 39.1 (0.96) | 28.7 (0.7) | 12.7 (0.31) | 15 (0.37) | 11.2 (0.27) | 19.8 (0.49) | 57.9 (1.42) | 76.2 (1.87) | 96.5 (2.37) | | 559.3 (13.72) |
 | Number of Wet Days (probability of rain on a day) | 11 (35%) | 12 (42%) | 11 (35%) | 10 (33%) | 9 (29%) | 9 (30%) | 11 (35%) | 11 (35%) | 9 (30%) | 11 (35%) | 10 (33%) | 12 (39%) | | 126 (35%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 65 (35) | 65 (35) | 73 (27) | 70 (30) | 74 (26) | 76 (24) | 81 (19) | 83 (17) | 75 (25) | 69 (31) | 54 (46) | 62 (38) | | 72 (28) |