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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: NIMMITABEL WASTEWATER TREATMENT FACILITY | Site number: 070067 | Commenced: 1894 | Map | |
Latitude: 36.51° S | Longitude: 149.28° E | Elevation: 1075 m | Operational status: Open |
Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
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Temperature | |||||||||||||||||
Maximum temperature | |||||||||||||||||
Mean maximum temperature (°C) | 22.8 | 22.6 | 20.2 | 15.7 | 11.6 | 8.3 | 7.7 | 9.4 | 12.8 | 16.0 | 18.6 | 21.6 | 15.6 | 56 | 1911 1975 |
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Highest temperature (°C) | 37.2 | 38.3 | 31.7 | 25.6 | 23.9 | 17.2 | 14.5 | 18.7 | 25.6 | 26.1 | 31.1 | 34.4 | 38.3 | 10 | 1965 1975 |
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Date | 31 Jan 1968 | 01 Feb 1968 | 01 Mar 1968 | 12 Apr 1968 | 11 May 1967 | 07 Jun 1965 | 31 Jul 1973 | 29 Aug 1969 | 26 Sep 1965 | 17 Oct 1968 | 29 Nov 1967 | 21 Dec 1972 | 01 Feb 1968 | ||||
Lowest maximum temperature (°C) | 10.1 | 9.5 | 7.6 | 5.6 | 1.1 | -0.6 | -1.1 | 1.1 | 2.2 | 1.1 | 4.6 | 7.8 | -1.1 | 10 | 1965 1975 |
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Date | 16 Jan 1972 | 10 Feb 1971 | 29 Mar 1973 | 30 Apr 1966 | 20 May 1966 | 23 Jun 1965 | 17 Jul 1965 | 06 Aug 1970 | 09 Sep 1965 | 03 Oct 1966 | 08 Nov 1971 | 25 Dec 1968 | 17 Jul 1965 | ||||
Decile 1 maximum temperature (°C) | 16.1 | 16.4 | 13.9 | 11.7 | 6.8 | 5.6 | 5.0 | 6.3 | 7.8 | 10.6 | 11.1 | 14.7 | 11 | 1965 1975 |
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Decile 9 maximum temperature(°C) | 30.0 | 29.7 | 26.3 | 21.7 | 17.7 | 12.8 | 11.4 | 13.5 | 18.3 | 21.9 | 24.4 | 27.9 | 11 | 1965 1975 |
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Mean number of days ≥ 30 °C | 3.2 | 2.7 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.5 | 8.2 | 10 | 1965 1975 |
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Mean number of days ≥ 35 °C | 0.8 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 10 | 1965 1975 |
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Mean number of days ≥ 40 °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 | 10 | 1965 1975 |
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Minimum temperature | |||||||||||||||||
Mean minimum temperature (°C) | 8.5 | 8.9 | 6.7 | 3.6 | 0.9 | -1.2 | -1.9 | -1.3 | 0.7 | 3.1 | 5.2 | 7.4 | 3.4 | 56 | 1911 1975 |
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Lowest temperature (°C) | -1.1 | -1.1 | -2.1 | -3.3 | -7.2 | -8.7 | -9.9 | -10.5 | -8.7 | -6.6 | -3.9 | -2.2 | -10.5 | 10 | 1965 1975 |
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Date | 26 Jan 1965 | 12 Feb 1965 | 26 Mar 1972 | 11 Apr 1972 | 30 May 1965 | 25 Jun 1971 | 11 Jul 1971 | 14 Aug 1971 | 12 Sep 1971 | 10 Oct 1971 | 22 Nov 1971 | 20 Dec 1967 | 14 Aug 1971 | ||||
Highest minimum temperature (°C) | 20.0 | 22.2 | 17.2 | 13.6 | 10.0 | 6.8 | 7.1 | 7.0 | 15.4 | 13.6 | 14.4 | 18.3 | 22.2 | 10 | 1965 1975 |
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Date | 22 Jan 1967 | 01 Feb 1968 | 06 Mar 1965 | 11 Apr 1969 | 11 May 1968 | 04 Jun 1973 | 01 Jul 1973 | 30 Aug 1969 | 20 Sep 1971 | 26 Oct 1969 | 24 Nov 1966 | 15 Dec 1972 | 01 Feb 1968 | ||||
Decile 1 minimum temperature (°C) | 3.8 | 5.0 | 1.7 | -0.6 | -3.3 | -4.6 | -5.1 | -4.7 | -3.4 | -1.3 | 0.0 | 2.1 | 11 | 1965 1975 |
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Decile 9 minimum temperature (°C) | 13.9 | 13.9 | 11.8 | 9.2 | 5.5 | 3.3 | 1.9 | 3.5 | 5.1 | 8.8 | 10.2 | 12.1 | 11 | 1965 1975 |
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Mean number of days ≤ 2 °C | 1.3 | 0.5 | 3.2 | 9.1 | 19.1 | 24.6 | 26.8 | 23.8 | 18.5 | 9.8 | 6.4 | 2.8 | 145.9 | 10 | 1965 1975 |
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Mean number of days ≤ 0 °C | 0.2 | 0.2 | 1.3 | 4.1 | 12.8 | 19.1 | 22.9 | 19.4 | 11.9 | 5.4 | 2.7 | 0.9 | 100.9 | 10 | 1965 1975 |
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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) | 69.1 | 59.1 | 60.5 | 47.8 | 51.9 | 65.5 | 49.2 | 45.2 | 48.2 | 59.1 | 62.3 | 68.2 | 686.2 | 128 | 1894 2024 |
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Highest rainfall (mm) | 276.2 | 255.1 | 224.4 | 198.3 | 322.7 | 357.9 | 410.7 | 194.6 | 164.7 | 220.6 | 227.6 | 205.1 | 1206.6 | 128 | 1894 2024 |
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Date | 1934 | 1898 | 2012 | 1899 | 1925 | 1975 | 1922 | 1901 | 2016 | 1976 | 1969 | 1962 | 1950 | ||||
Lowest rainfall (mm) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.6 | 0.0 | 0.0 | 4.3 | 1.4 | 0.0 | 0.0 | 343.3 | 128 | 1894 2024 |
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Date | 1903 | 1979 | 2004 | 1911 | 1976 | 1979 | 1980 | 1914 | 1968 | 1988 | 1905 | 1979 | 1982 | ||||
Decile 1 rainfall (mm) | 15.5 | 5.6 | 12.1 | 10.1 | 10.8 | 14.4 | 8.1 | 11.1 | 14.6 | 18.4 | 16.0 | 12.9 | 129 | n/a n/a |
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Decile 5 (median) rainfall (mm) | 55.6 | 48.3 | 40.5 | 33.5 | 36.7 | 43.9 | 31.3 | 33.5 | 36.5 | 48.4 | 53.9 | 62.6 | 129 | n/a n/a |
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Decile 9 rainfall (mm) | 136.5 | 125.6 | 145.4 | 106.0 | 107.6 | 155.5 | 120.3 | 105.6 | 95.5 | 109.0 | 112.4 | 125.5 | 129 | n/a n/a |
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Highest daily rainfall (mm) | 96.5 | 102.9 | 118.0 | 88.9 | 141.2 | 256.0 | 152.4 | 98.6 | 80.0 | 129.4 | 107.4 | 111.8 | 256.0 | 128 | 1894 2024 |
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Date | 11 Jan 1897 | 15 Feb 1929 | 22 Mar 1983 | 15 Apr 1935 | 27 May 1974 | 23 Jun 1975 | 27 Jul 1922 | 03 Aug 1908 | 07 Sep 1908 | 18 Oct 1976 | 05 Nov 1973 | 29 Dec 1937 | 23 Jun 1975 | ||||
Mean number of days of rain | 7.9 | 7.5 | 8.1 | 7.6 | 8.8 | 10.0 | 9.1 | 9.2 | 9.4 | 9.6 | 9.2 | 8.7 | 105.1 | 129 | 1894 2024 |
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Mean number of days of rain ≥ 1 mm | 6.6 | 6.0 | 6.2 | 5.8 | 6.5 | 7.6 | 6.7 | 7.0 | 7.3 | 7.7 | 7.5 | 7.0 | 81.9 | 128 | 1894 2024 |
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Mean number of days of rain ≥ 10 mm | 2.2 | 1.9 | 1.8 | 1.4 | 1.2 | 1.5 | 1.1 | 1.0 | 1.2 | 1.6 | 2.0 | 2.2 | 19.1 | 128 | 1894 2024 |
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Mean number of days of rain ≥ 25 mm | 0.6 | 0.5 | 0.5 | 0.3 | 0.4 | 0.6 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.5 | 5.2 | 128 | 1894 2024 |
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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) | 23.7 | 20.5 | 16.9 | 12.6 | 9.4 | 7.5 | 8.6 | 11.7 | 15.8 | 19.7 | 22.5 | 24.3 | 16.1 | 35 | 1990 2024 |
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Mean number of clear days | 8.5 | 8.0 | 9.4 | 10.5 | 7.3 | 8.0 | 9.1 | 7.9 | 8.2 | 6.9 | 7.6 | 10.8 | 102.2 | 10 | 1965 1975 |
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Mean number of cloudy days | 10.8 | 7.6 | 9.7 | 8.0 | 11.4 | 11.2 | 9.6 | 11.5 | 10.1 | 11.2 | 9.4 | 8.3 | 118.8 | 10 | 1965 1975 |
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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) | 6 | 1968 1975 |
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Mean 9am wet-bulb temperature (°C) | 4 | 1968 1975 |
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Mean 9am dew-point temperature (°C) | |
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Mean 9am relative humidity (%) | |
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Mean 9am cloud cover (oktas) | 3.2 | 3.5 | 3.5 | 4.0 | 4.2 | 4.5 | 4.0 | 4.0 | 3.7 | 3.8 | 3.7 | 3.3 | 3.8 | 48 | 1911 1975 |
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Mean 9am wind speed (km/h) | 9 | 1965 1975 |
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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) | 6 | 1968 1975 |
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Mean 3pm wet-bulb temperature (°C) | 4 | 1968 1975 |
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Mean 3pm dew-point temperature (°C) | |
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Mean 3pm relative humidity (%) | |
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Mean 3pm cloud cover (oktas) | 4.6 | 4.1 | 3.9 | 3.7 | 4.6 | 4.3 | 4.1 | 4.5 | 4.5 | 5.0 | 4.2 | 4.1 | 4.3 | 10 | 1965 1975 |
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Mean 3pm wind speed (km/h) | 9 | 1965 1975 |
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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.