| Station: 077042 SWAN HILL POST OFFICE Commenced: 1884; Last record: 1996; Latitude (deg S): -35.3406; Longitude (deg E): 143.5533; State: VIC | ||||||||||||||||||||
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | ||||||
| Mean daily maximum temperature - deg C | 31.4 | 31.2 | 27.9 | 22.8 | 18.4 | 14.9 | 14.4 | 16.3 | 19.3 | 22.9 | 26.8 | 29.8 | 23.0 | 96.9 | ||||||
| Mean no. of days where Max Temp >= 40.0 deg C | 1.7 | 1.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.7 | 3.8 | 36.9 | ||||||
| Mean no. of days where Max Temp >= 35.0 deg C | 7.6 | 6.6 | 2.5 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 2.2 | 5.2 | 24.5 | 36.9 | ||||||
| Mean daily minimum temperature - deg C | 15.4 | 15.5 | 13.2 | 9.8 | 7.0 | 4.9 | 4.1 | 5.0 | 6.7 | 9.0 | 11.6 | 13.9 | 9.7 | 95.5 | ||||||
| Mean no. of days where Min Temp <= 2.0 deg C | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 4.9 | 7.1 | 4.4 | 1.4 | 0.1 | 0.0 | 0.0 | 18.8 | 36.8 | ||||||
| Mean 9am air temp - deg C | 21.5 | 20.9 | 18.6 | 14.5 | 10.5 | 7.5 | 6.8 | 8.7 | 11.9 | 15.4 | 18.1 | 20.5 | 14.6 | 88.9 | ||||||
| Mean 9am dew point - deg C | 11.0 | 11.1 | 10.7 | 9.1 | 7.7 | 5.7 | 4.8 | 5.4 | 6.7 | 7.7 | 8.4 | 9.7 | 8.1 | 36.1 | ||||||
| Mean 9am relative humidity - % | 53 | 57 | 62 | 71 | 82 | 88 | 88 | 81 | 72 | 62 | 56 | 52 | 69 | 85 | ||||||
| Mean 9am wind speed - km/h | 8.0 | 7.8 | 7.8 | 6.8 | 6.8 | 6.3 | 6.7 | 7.7 | 8.6 | 9.0 | 8.6 | 8.2 | 7.7 | 33.9 | ||||||
| Mean 3pm air temp - deg C | 29.7 | 29.3 | 26.6 | 21.6 | 17.4 | 14.1 | 13.5 | 15.2 | 18.0 | 21.4 | 24.9 | 27.7 | 21.6 | 72.8 | ||||||
| Mean 3pm dew point - deg C | 8.5 | 9.1 | 8.9 | 7.8 | 7.7 | 6.5 | 5.4 | 4.9 | 5.4 | 5.5 | 5.7 | 7.0 | 6.9 | 36.0 | ||||||
| Mean 3pm relative humidity - % | 30 | 32 | 36 | 44 | 55 | 62 | 61 | 54 | 46 | 39 | 33 | 30 | 43 | 68.9 | ||||||
| Mean 3pm wind speed - km/h | 8.6 | 8.2 | 8.6 | 8.5 | 8.8 | 8.6 | 9.7 | 10.3 | 10.4 | 9.9 | 9.5 | 9.1 | 9.2 | 33.7 | ||||||
| Mean monthly rainfall - mm | 22.1 | 21.7 | 23.4 | 24.8 | 34.8 | 35.0 | 32.5 | 35.9 | 32.6 | 35.3 | 25.8 | 24.6 | 348.5 | 112.3 | ||||||
| 9th decile of monthly rainfall - mm | 60.4 | 69.6 | 58.6 | 57.3 | 70.9 | 67.4 | 58.4 | 65.6 | 62.5 | 81.1 | 58.7 | 57.8 | 473.1 | 112.0 | ||||||
| 1st decile of monthly rainfall - mm | 0.8 | 0.0 | 0.2 | 2.0 | 4.3 | 9.1 | 9.4 | 9.6 | 8.2 | 6.5 | 2.4 | 1.4 | 196.1 | 112.0 | ||||||
| Mean no. of raindays | 3.0 | 2.9 | 3.3 | 4.5 | 6.8 | 8.4 | 9.2 | 9.5 | 7.7 | 6.8 | 4.9 | 4.0 | 71.2 | 112.3 | ||||||
| Mean no. of clear days | 14.7 | 15.1 | 14.5 | 11.8 | 8.1 | 7.2 | 6.4 | 7.0 | 8.6 | 9.9 | 10.8 | 12.9 | 126.9 | 37.0 | ||||||
| Mean no. of cloudy days | 5.9 | 5.1 | 5.9 | 8.5 | 11.8 | 11.6 | 12.6 | 11.3 | 9.2 | 9.2 | 9.1 | 7.9 | 108.1 | 37.0 | ||||||