 | Average Precipitation mm (in) | 129.7 (5.1) | 156.9 (6.2) | 127.2 (5) | 117.7 (4.6) | 106.7 (4.2) | 128.7 (5.1) | 103.4 (4.1) | 112.8 (4.4) | 126.1 (5) | 107.7 (4.2) | 114.4 (4.5) | 134.7 (5.3) | | 1466 (57.7) |
 | Precipitation Litres/m² (Gallons/ft²) | 129.7 (3.18) | 156.9 (3.85) | 127.2 (3.12) | 117.7 (2.89) | 106.7 (2.62) | 128.7 (3.16) | 103.4 (2.54) | 112.8 (2.77) | 126.1 (3.09) | 107.7 (2.64) | 114.4 (2.81) | 134.7 (3.3) | | 1466 (35.96) |
 | Number of Wet Days (probability of rain on a day) | 13 (42%) | 14 (45%) | 13 (43%) | 13 (42%) | 12 (40%) | 11 (35%) | 10 (32%) | 10 (35%) | 9 (29%) | 12 (40%) | 12 (39%) | 14 (47%) | | 143 (39%) |