| Station: 009519 CAPE NATURALISTE Commenced: 1903; Last record: 2003; Latitude (deg S): -33.5372; Longitude (deg E): 115.0189; State: WA | ||||||||||||||||||||
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | ||||||
| Mean daily maximum temperature - deg C | 25.2 | 25.7 | 24.3 | 21.8 | 19.1 | 17.2 | 16.2 | 16.3 | 17.2 | 18.6 | 21.2 | 23.4 | 20.5 | 99.3 | ||||||
| Mean no. of days where Max Temp >= 40.0 deg C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 46.4 | ||||||
| Mean no. of days where Max Temp >= 35.0 deg C | 0.7 | 0.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.7 | 46.4 | ||||||
| Mean daily minimum temperature - deg C | 15.2 | 15.6 | 15.0 | 13.8 | 12.6 | 11.5 | 10.4 | 10.0 | 10.4 | 11.0 | 12.5 | 13.9 | 12.7 | 99.0 | ||||||
| Mean no. of days where Min Temp <= 2.0 deg C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 46.4 | ||||||
| Mean 9am air temp - deg C | 20.4 | 20.3 | 19.2 | 17.5 | 15.7 | 14.2 | 13.2 | 13.1 | 13.9 | 15.2 | 17.3 | 19.3 | 16.6 | 99.3 | ||||||
| Mean 9am dew point - deg C | 13.1 | 13.6 | 13.4 | 12.8 | 12.0 | 10.7 | 9.7 | 9.4 | 9.8 | 10.3 | 11.3 | 12.1 | 11.5 | 43.3 | ||||||
| Mean 9am relative humidity - % | 63 | 66 | 69 | 75 | 79 | 80 | 80 | 79 | 77 | 72 | 68 | 64 | 73 | 42.9 | ||||||
| Mean 9am wind speed - km/h | 27.6 | 28.6 | 26.8 | 25.3 | 27.8 | 31.7 | 31.9 | 28.7 | 27.2 | 26.4 | 27.3 | 25.5 | 27.9 | 46.2 | ||||||
| Mean 3pm air temp - deg C | 23.2 | 23.7 | 22.6 | 20.3 | 17.6 | 15.7 | 14.7 | 14.8 | 15.7 | 17.1 | 19.5 | 21.6 | 18.9 | 98.5 | ||||||
| Mean 3pm dew point - deg C | 14.3 | 14.6 | 13.9 | 12.9 | 12.1 | 11.0 | 10.0 | 9.7 | 10.2 | 10.8 | 12.0 | 13.2 | 12.0 | 43.3 | ||||||
| Mean 3pm relative humidity - % | 57 | 57 | 59 | 63 | 70 | 73 | 73 | 71 | 69 | 65 | 62 | 60 | 65 | 62.9 | ||||||
| Mean 3pm wind speed - km/h | 33.2 | 30.8 | 27.3 | 25.0 | 27.6 | 32.4 | 32.6 | 30.0 | 28.6 | 29.3 | 31.3 | 32.8 | 30.1 | 46.0 | ||||||
| Mean monthly rainfall - mm | 10.3 | 12.6 | 22.7 | 45.0 | 117.4 | 171.5 | 166.4 | 112.1 | 75.2 | 52.1 | 26.2 | 13.3 | 824.8 | 92.7 | ||||||
| 9th decile of monthly rainfall - mm | 27.7 | 28.8 | 65.8 | 80.3 | 188.4 | 242.1 | 242.2 | 167.9 | 116.0 | 91.7 | 56.0 | 33.1 | 1016.9 | 99.0 | ||||||
| 1st decile of monthly rainfall - mm | 0.8 | 0.3 | 2.6 | 15.7 | 61.9 | 97.1 | 98.8 | 61.0 | 38.3 | 23.2 | 5.2 | 1.6 | 634.3 | 99.0 | ||||||
| Mean no. of raindays | 3.9 | 3.8 | 5.4 | 10.4 | 17.8 | 21.5 | 23.4 | 21.4 | 17.8 | 13.9 | 8.7 | 5.3 | 153.4 | 89.3 | ||||||
| Mean no. of clear days | 13.2 | 11.4 | 9.7 | 5.5 | 3.1 | 1.8 | 2.1 | 2.5 | 4.1 | 5.5 | 7.0 | 10.5 | 76.4 | 39.5 | ||||||
| Mean no. of cloudy days | 6.1 | 7.1 | 9.5 | 15.1 | 18.6 | 19.6 | 19.8 | 18.9 | 15.3 | 14.4 | 12.0 | 8.6 | 164.8 | 39.5 | ||||||