 | Average Precipitation mm (in) | 94.7 (3.73) | 110.5 (4.4) | 137.4 (5.4) | 138.7 (5.5) | 126.5 (5) | 90.7 (3.6) | 96.3 (3.8) | 87.1 (3.4) | 89.7 (3.5) | 76.5 (3) | 129.5 (5.1) | 145.8 (5.7) | | 1323.4 (52.1) |
 | Precipitation Litres/m² (Gallons/ft²) | 94.7 (2.32) | 110.5 (2.71) | 137.4 (3.37) | 138.7 (3.4) | 126.5 (3.1) | 90.7 (2.22) | 96.3 (2.36) | 87.1 (2.14) | 89.7 (2.2) | 76.5 (1.88) | 129.5 (3.18) | 145.8 (3.58) | | 1323.4 (32.46) |
 | Number of Wet Days (probability of rain on a day) | 10 (32%) | 9 (32%) | 10 (32%) | 9 (30%) | 9 (29%) | 8 (27%) | 7 (23%) | 6 (19%) | 5 (17%) | 6 (19%) | 8 (27%) | 9 (29%) | | 96 (26%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 41 (59) | 46 (54) | 54 (46) | 61 (39) | 67 (33) | 74 (26) | 75 (25) | 79 (21) | 71 (29) | 72 (28) | 62 (38) | 52 (48) | | 65 (35) |