 | Average Precipitation mm (in) | 34 (1.34) | 25 (1) | 28 (1.1) | 26 (1) | 36 (1.4) | 54 (2.1) | 88 (3.5) | 65 (2.6) | 55 (2.2) | 42 (1.7) | 41 (1.6) | 35 (1.4) | | 529 (20.8) |
 | Precipitation Litres/m² (Gallons/ft²) | 34 (0.83) | 25 (0.61) | 28 (0.69) | 26 (0.64) | 36 (0.88) | 54 (1.32) | 88 (2.16) | 65 (1.59) | 55 (1.35) | 42 (1.03) | 41 (1.01) | 35 (0.86) | | 529 (12.98) |
 | Number of Wet Days (probability of rain on a day) | 16 (52%) | 14 (50%) | 10 (32%) | 11 (37%) | 11 (35%) | 13 (43%) | 13 (42%) | 14 (45%) | 14 (47%) | 15 (48%) | 16 (53%) | 17 (55%) | | 164 (45%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 29 (71) | 31 (69) | 43 (57) | 45 (55) | 51 (49) | 49 (51) | 49 (51) | 49 (51) | 44 (56) | 37 (63) | 24 (76) | 27 (73) | | 45 (55) |