 | Average Precipitation mm (in) | 179 (7.05) | 139 (5.5) | 109 (4.3) | 140 (5.5) | 83 (3.3) | 126 (5) | 141 (5.6) | 167 (6.6) | 228 (9) | 236 (9.3) | 207 (8.1) | 203 (8) | | 1958 (77.1) |
 | Precipitation Litres/m² (Gallons/ft²) | 179 (4.39) | 139 (3.41) | 109 (2.67) | 140 (3.43) | 83 (2.04) | 126 (3.09) | 141 (3.46) | 167 (4.1) | 228 (5.59) | 236 (5.79) | 207 (5.08) | 203 (4.98) | | 1958 (48.02) |
 | Number of Wet Days (probability of rain on a day) | 20 (65%) | 17 (60%) | 16 (52%) | 19 (63%) | 15 (48%) | 17 (57%) | 20 (65%) | 20 (65%) | 21 (70%) | 23 (74%) | 21 (70%) | 22 (71%) | | 231 (63%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 11 (89) | 20 (80) | 36 (64) | 32 (68) | 36 (64) | 31 (69) | 30 (70) | 28 (72) | 27 (73) | 23 (77) | 13 (87) | 8 (92) | | 28 (72) |