| Average Precipitation mm (in) | 165 (6.5) | 203 (8) | 229 (9) | 366 (14.4) | 389 (15.3) | 323 (12.7) | 274 (10.8) | 208 (8.2) | 241 (9.5) | 277 (10.9) | 282 (11.1) | 224 (8.8) | | 3181 (125.2) |
| Precipitation Litres/m² (Gallons/ft²) | 165 (4.05) | 203 (4.98) | 229 (5.62) | 366 (8.98) | 389 (9.54) | 323 (7.92) | 274 (6.72) | 208 (5.1) | 241 (5.91) | 277 (6.79) | 282 (6.92) | 224 (5.49) | | 3181 (78.02) |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | 12 (39%) | 13 (43%) | 19 (61%) | 21 (70%) | 19 (61%) | 17 (55%) | 13 (46%) | 15 (48%) | 16 (53%) | 16 (52%) | 13 (43%) | | 184 (50%) |