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An extended list of climate statistics recorded is provided below. There is also a summary table for printing with the commonly requested statistics and a map showing the location of this site. Monthly statistics are only included if there are more than 10 years of suitable data.
Note: Many statistics are updated quarterly and recent weather events may not be represented in the statistics below. For more current information on recent extreme values, please refer to the corresponding Daily rainfall, Maximum temperature and Minimum temperature data tables for this site, and our Australian Climate and Weather Extremes Monitoring System. Missing observations associated with the observer being unavailable (where observations are undertaken manually), a failure in the observing equipment, or when an event has produced suspect data may result in an extreme event not being recorded.| Site name: HALLS HEAD | Site number: 009572 | Commenced: 1889 | Map | |
| Latitude: 32.54° S | Longitude: 115.70° E | Elevation: 16 m | Operational status: Open | |
| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||||||
| Maximum temperature | |||||||||||||||||
| Mean maximum temperature (°C) | 29.3 | 29.6 | 27.6 | 24.4 | 20.6 | 18.1 | 17.3 | 17.7 | 19.2 | 21.2 | 24.4 | 27.0 | 23.0 | 77 | 1900 1985 |
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| Highest temperature (°C) | 43.0 | 43.0 | 38.3 | 35.6 | 29.0 | 25.1 | 25.5 | 26.4 | 29.5 | 35.7 | 39.3 | 39.1 | 43.0 | 21 | 1965 1985 |
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| Date | 06 Jan 1981 | 20 Feb 1977 | 20 Mar 1970 | 11 Apr 1978 | 01 May 1980 | 03 Jun 1984 | 17 Jul 1976 | 12 Aug 1976 | 02 Sep 1981 | 26 Oct 1972 | 10 Nov 1982 | 31 Dec 1968 | 20 Feb 1977 | ||||
| Lowest maximum temperature (°C) | 19.5 | 20.3 | 16.7 | 14.6 | 14.1 | 11.1 | 11.0 | 11.7 | 10.2 | 13.3 | 15.3 | 19.5 | 10.2 | 21 | 1965 1985 |
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| Date | 06 Jan 1976 | 14 Feb 1982 | 27 Mar 1968 | 21 Apr 1970 | 01 May 1968 | 24 Jun 1966 | 29 Jul 1975 | 27 Aug 1968 | 30 Sep 1973 | 21 Oct 1980 | 16 Nov 1983 | 01 Dec 1973 | 30 Sep 1973 | ||||
| Decile 1 maximum temperature (°C) | 24.2 | 24.4 | 23.0 | 20.0 | 17.9 | 16.1 | 15.4 | 15.6 | 16.7 | 18.3 | 19.8 | 22.3 | 21 | 1965 1985 |
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| Decile 9 maximum temperature(°C) | 36.2 | 36.1 | 33.4 | 28.8 | 24.0 | 21.2 | 20.1 | 20.6 | 22.6 | 26.8 | 30.2 | 33.8 | 21 | 1965 1985 |
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| Mean number of days ≥ 30 °C | 13.6 | 13.5 | 9.3 | 1.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 3.6 | 8.4 | 51.4 | 21 | 1965 1985 |
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| Mean number of days ≥ 35 °C | 5.2 | 4.7 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 2.2 | 14.1 | 21 | 1965 1985 |
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| Mean number of days ≥ 40 °C | 0.5 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 21 | 1965 1985 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 16.9 | 17.0 | 15.6 | 13.0 | 10.8 | 9.5 | 8.6 | 8.6 | 9.6 | 10.9 | 13.2 | 15.4 | 12.4 | 77 | 1900 1985 |
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| Lowest temperature (°C) | 10.1 | 9.7 | 6.6 | 5.1 | 2.4 | 0.9 | 1.9 | 0.6 | 3.1 | 3.8 | 4.3 | 9.0 | 0.6 | 21 | 1965 1985 |
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| Date | 09 Jan 1971 | 13 Feb 1981 | 28 Mar 1968 | 22 Apr 1970 | 25 May 1968 | 23 Jun 1981 | 11 Jul 1969 | 23 Aug 1973 | 04 Sep 1979 | 26 Oct 1971 | 01 Nov 1968 | 03 Dec 1978 | 23 Aug 1973 | ||||
| Highest minimum temperature (°C) | 28.0 | 25.8 | 25.0 | 22.4 | 21.0 | 17.5 | 16.6 | 17.0 | 18.0 | 21.0 | 24.0 | 25.0 | 28.0 | 21 | 1965 1985 |
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| Date | 27 Jan 1979 | 25 Feb 1985 | 16 Mar 1980 | 12 Apr 1978 | 01 May 1983 | 29 Jun 1985 | 01 Jul 1985 | 13 Aug 1976 | 28 Sep 1985 | 29 Oct 1979 | 27 Nov 1972 | 20 Dec 1974 | 27 Jan 1979 | ||||
| Decile 1 minimum temperature (°C) | 14.1 | 14.3 | 13.0 | 10.3 | 8.0 | 6.1 | 5.7 | 5.3 | 6.5 | 8.0 | 10.5 | 12.5 | 21 | 1965 1985 |
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| Decile 9 minimum temperature (°C) | 21.7 | 22.2 | 20.6 | 18.0 | 15.6 | 14.3 | 13.0 | 13.5 | 13.9 | 15.5 | 17.5 | 20.2 | 21 | 1965 1985 |
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| Mean number of days ≤ 2 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 21 | 1965 1985 |
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| Mean number of days ≤ 0 °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 | 21 | 1965 1985 |
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| Ground surface temperature | |||||||||||||||||
| Mean daily ground minimum temperature (°C) | |
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| Lowest ground temperature (°C) | |
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| Date | |||||||||||||||||
| Mean number of days ground min. temp. ≤ -1 °C | |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| Rainfall | |||||||||||||||||
| Mean rainfall (mm) | 9.3 | 13.8 | 19.3 | 42.9 | 123.7 | 185.3 | 172.0 | 124.0 | 82.8 | 50.5 | 22.3 | 11.4 | 864.9 | 115 | 1889 2017 |
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| Highest rainfall (mm) | 224.2 | 225.9 | 103.2 | 168.0 | 258.6 | 472.8 | 409.2 | 285.1 | 192.8 | 226.3 | 127.4 | 83.2 | 1305.4 | 115 | 1889 2017 |
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| Date | 1982 | 1955 | 1998 | 1909 | 1984 | 1945 | 1958 | 1955 | 1903 | 1890 | 1984 | 1951 | 1955 | ||||
| Lowest rainfall (mm) | 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 | 115 | 1889 2017 |
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| Date | 2016 | 2016 | 2015 | 2017 | 2016 | 2016 | 2016 | 2015 | 2015 | 2015 | 2015 | 2015 | 2015 | ||||
| Decile 1 rainfall (mm) | 0.0 | 0.1 | 0.8 | 3.8 | 50.5 | 93.2 | 103.0 | 58.0 | 30.5 | 20.2 | 4.1 | 0.5 | 116 | n/a n/a |
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| Decile 5 (median) rainfall (mm) | 3.0 | 3.6 | 10.0 | 38.8 | 119.0 | 177.6 | 165.7 | 123.0 | 76.0 | 43.8 | 18.8 | 7.0 | 116 | n/a n/a |
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| Decile 9 rainfall (mm) | 21.7 | 36.5 | 54.5 | 84.2 | 198.4 | 280.1 | 252.4 | 182.4 | 136.8 | 94.2 | 43.8 | 25.8 | 116 | n/a n/a |
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| Highest daily rainfall (mm) | 144.0 | 141.0 | 58.4 | 87.9 | 100.3 | 94.7 | 96.5 | 78.0 | 56.9 | 62.6 | 58.9 | 52.0 | 144.0 | 98 | 1907 2017 |
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| Date | 21 Jan 1982 | 17 Feb 1955 | 28 Mar 1971 | 10 Apr 1909 | 31 May 1958 | 05 Jun 1966 | 12 Jul 1907 | 04 Aug 1994 | 19 Sep 1927 | 01 Oct 1978 | 29 Nov 1956 | 25 Dec 1991 | 21 Jan 1982 | ||||
| Mean number of days of rain | 2.2 | 2.5 | 3.8 | 7.3 | 13.8 | 17.6 | 19.2 | 17.1 | 13.8 | 10.3 | 6.0 | 3.3 | 116.9 | 98 | 1889 2017 |
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| Mean number of days of rain ≥ 1 mm | 1.2 | 1.3 | 2.2 | 4.9 | 9.9 | 12.9 | 14.3 | 12.5 | 9.5 | 6.8 | 3.6 | 1.8 | 80.9 | 98 | 1907 2017 |
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| Mean number of days of rain ≥ 10 mm | 0.2 | 0.3 | 0.4 | 1.1 | 3.5 | 5.3 | 5.3 | 3.4 | 1.9 | 1.1 | 0.5 | 0.2 | 23.2 | 98 | 1907 2017 |
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| Mean number of days of rain ≥ 25 mm | 0.1 | 0.1 | 0.1 | 0.3 | 1.0 | 1.5 | 1.1 | 0.5 | 0.3 | 0.1 | 0.1 | 0.0 | 5.2 | 98 | 1907 2017 |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| Other daily elements | |||||||||||||||||
| Mean daily wind run (km) | |
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| Maximum wind gust speed (km/h) | |
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| Date | |||||||||||||||||
| Mean daily sunshine (hours) | |
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| Mean daily solar exposure (MJ/m2) | 29.2 | 25.8 | 20.6 | 15.0 | 11.0 | 9.1 | 9.6 | 12.9 | 17.1 | 22.4 | 26.8 | 29.8 | 19.1 | 36 | 1990 2026 |
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| Mean number of clear days | 18.8 | 17.0 | 15.4 | 9.8 | 8.2 | 5.7 | 6.6 | 7.4 | 9.6 | 11.3 | 10.6 | 15.8 | 136.2 | 21 | 1965 1985 |
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| Mean number of cloudy days | 4.2 | 4.0 | 5.5 | 10.3 | 11.7 | 13.7 | 12.5 | 11.4 | 10.3 | 7.4 | 7.9 | 4.4 | 103.3 | 21 | 1965 1985 |
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| Mean daily evaporation (mm) | |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| 9 am conditions | |||||||||||||||||
| Mean 9am temperature (°C) | 23.5 | 23.3 | 21.7 | 18.7 | 15.6 | 13.6 | 12.7 | 13.3 | 15.1 | 17.5 | 19.7 | 22.3 | 18.1 | 21 | 1965 1985 |
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| Mean 9am wet-bulb temperature (°C) | 17.4 | 17.9 | 16.6 | 15.3 | 13.1 | 11.6 | 10.7 | 11.0 | 12.3 | 13.6 | 14.9 | 16.5 | 14.2 | 16 | 1965 1985 |
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| Mean 9am dew-point temperature (°C) | 0 | 1966 1976 |
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| Mean 9am relative humidity (%) | 0 | 1966 1976 |
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| Mean 9am cloud cover (oktas) | 2.4 | 2.3 | 2.8 | 3.7 | 4.1 | 4.5 | 4.4 | 4.3 | 4.1 | 3.5 | 3.5 | 2.6 | 3.5 | 51 | 1908 1985 |
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| Mean 9am wind speed (km/h) | 13.3 | 13.6 | 13.8 | 12.6 | 13.3 | 14.8 | 13.4 | 14.2 | 13.9 | 14.1 | 13.5 | 12.8 | 13.6 | 21 | 1965 1985 |
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| 9am wind speed vs direction plot | |||||||||||||||||
| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| 3 pm conditions | |||||||||||||||||
| Mean 3pm temperature (°C) | 28.2 | 28.7 | 26.7 | 23.0 | 19.8 | 17.5 | 16.7 | 17.0 | 18.3 | 20.7 | 23.1 | 25.9 | 22.1 | 21 | 1965 1985 |
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| Mean 3pm wet-bulb temperature (°C) | 19.9 | 20.6 | 19.1 | 17.4 | 15.5 | 13.9 | 13.1 | 13.1 | 14.0 | 15.4 | 16.7 | 18.5 | 16.4 | 16 | 1965 1985 |
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| Mean 3pm dew-point temperature (°C) | 0 | 1966 1976 |
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| Mean 3pm relative humidity (%) | 0 | 1966 1976 |
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| Mean 3pm cloud cover (oktas) | 1.9 | 1.8 | 2.4 | 3.9 | 4.2 | 4.8 | 4.6 | 4.3 | 3.7 | 3.2 | 3.2 | 2.1 | 3.3 | 24 | 1954 1985 |
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| Mean 3pm wind speed (km/h) | 14.8 | 14.7 | 14.3 | 14.2 | 14.1 | 15.9 | 15.4 | 15.6 | 14.9 | 15.2 | 15.3 | 14.9 | 14.9 | 20 | 1965 1985 |
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| 3pm wind speed vs direction plot | |||||||||||||||||
Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at the site changed. More detailed data for individual sites can be obtained by contacting the Bureau.