| Station: 009581 MOUNT BARKER Commenced: 1886; Last record: 2003; Latitude (deg S): -34.6250; Longitude (deg E): 117.6361; State: WA | |||||||||||||||||||
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | |||||
| Mean daily maximum temperature - deg C | 26.2 | 25.9 | 24.0 | 21.2 | 17.7 | 15.2 | 14.3 | 15.0 | 16.8 | 18.7 | 21.7 | 24.3 | 20.1 | 84.2 | |||||
| Mean no. of days where Max Temp >= 40.0 deg C | 0.5 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.8 | 32.9 | |||||
| Mean no. of days where Max Temp >= 35.0 deg C | 2.6 | 2.3 | 1.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 1.3 | 8.2 | 32.9 | |||||
| Mean daily minimum temperature - deg C | 12.7 | 13.0 | 12.3 | 10.7 | 8.6 | 7.1 | 6.0 | 6.1 | 6.9 | 8.0 | 9.8 | 11.4 | 9.4 | 84.3 | |||||
| Mean no. of days where Min Temp <= 2.0 deg C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 0.8 | 0.9 | 0.6 | 0.1 | 0.0 | 0.0 | 2.7 | 32.9 | |||||
| Mean 9am air temp - deg C | 19.1 | 18.7 | 17.6 | 15.3 | 12.7 | 10.5 | 9.5 | 10.1 | 11.8 | 13.8 | 16.0 | 17.9 | 14.4 | 50.7 | |||||
| Mean 9am dew point - deg C | 12.2 | 12.5 | 12.1 | 11.5 | 9.9 | 8.4 | 7.5 | 7.5 | 8.4 | 8.9 | 10.0 | 11.0 | 10.0 | 28.2 | |||||
| Mean 9am relative humidity - % | 66 | 69 | 72 | 79 | 83 | 87 | 87 | 84 | 79 | 73 | 68 | 66 | 76 | 46.9 | |||||
| Mean 9am wind speed - km/h | 9.0 | 9.1 | 8.7 | 7.5 | 7.6 | 8.8 | 8.4 | 8.9 | 10.3 | 9.5 | 10.5 | 9.3 | 9.0 | 31.8 | |||||
| Mean 3pm air temp - deg C | 24.8 | 24.5 | 22.8 | 19.8 | 16.9 | 14.4 | 13.3 | 13.8 | 15.3 | 17.3 | 19.9 | 22.4 | 18.8 | 35.5 | |||||
| Mean 3pm dew point - deg C | 12.3 | 12.3 | 11.8 | 11.0 | 10.1 | 9.4 | 8.4 | 7.9 | 8.8 | 9.5 | 10.5 | 11.5 | 10.3 | 28.1 | |||||
| Mean 3pm relative humidity - % | 50 | 51 | 53 | 59 | 66 | 72 | 73 | 68 | 67 | 62 | 57 | 53 | 61 | 30.8 | |||||
| Mean 3pm wind speed - km/h | 12.3 | 12.0 | 10.7 | 9.3 | 9.0 | 10.8 | 10.5 | 10.9 | 11.5 | 10.6 | 12.1 | 12.7 | 11.0 | 31.2 | |||||
| Mean monthly rainfall - mm | 23.3 | 24.2 | 36.6 | 53.4 | 85.8 | 94.9 | 105.4 | 90.5 | 79.9 | 70.2 | 42.3 | 29.4 | 735.9 | 116.8 | |||||
| 9th decile of monthly rainfall - mm | 46.2 | 53.1 | 78.0 | 104.1 | 141.2 | 143.8 | 150.0 | 131.0 | 126.6 | 124.5 | 77.4 | 58.7 | 896.5 | 115.0 | |||||
| 1st decile of monthly rainfall - mm | 4.2 | 4.6 | 9.6 | 15.1 | 40.6 | 55.2 | 61.7 | 57.6 | 41.8 | 31.4 | 14.3 | 8.2 | 584.7 | 115.0 | |||||
| Mean no. of raindays | 7.7 | 7.3 | 9.9 | 12.7 | 16.8 | 19.3 | 21.0 | 20.2 | 17.8 | 16.2 | 11.1 | 9.2 | 169.3 | 87.2 | |||||
| Mean no. of clear days | 9.5 | 7.7 | 6.1 | 3.9 | 4.3 | 4.1 | 3.9 | 4.3 | 3.2 | 3.7 | 5.1 | 7.0 | 62.6 | 32.8 | |||||
| Mean no. of cloudy days | 9.9 | 10.1 | 12.4 | 13.7 | 14.2 | 12.8 | 13.9 | 14.1 | 14.0 | 15.9 | 14.5 | 11.3 | 156.8 | 32.8 | |||||