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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: MOUNT DANDENONG GTV9 | Site number: 086243 | Commenced: 1968 | Map | |
Latitude: 37.83° S | Longitude: 145.35° E | Elevation: 600 m | Operational status: Closed 07 Sep 2015 |
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) | 22.1 | 22.9 | 19.7 | 15.4 | 11.7 | 8.8 | 8.2 | 9.6 | 11.6 | 14.8 | 17.3 | 19.9 | 15.2 | 18 | 1968 1986 |
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Highest temperature (°C) | 37.3 | 39.3 | 33.6 | 28.0 | 20.3 | 15.0 | 16.0 | 20.0 | 22.7 | 28.7 | 33.2 | 36.2 | 39.3 | 18 | 1968 1986 |
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Date | 24 Jan 1982 | 24 Feb 1968 | 17 Mar 1968 | 13 Apr 1985 | 05 May 1972 | 05 Jun 1984 | 29 Jul 1975 | 29 Aug 1982 | 18 Sep 1981 | 28 Oct 1977 | 24 Nov 1982 | 20 Dec 1972 | 24 Feb 1968 | ||||
Lowest maximum temperature (°C) | 11.4 | 10.4 | 7.8 | 7.2 | 2.4 | 2.7 | 2.7 | 3.7 | 2.8 | 4.3 | 6.4 | 9.4 | 2.4 | 18 | 1968 1986 |
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Date | 25 Jan 1975 | 28 Feb 1978 | 31 Mar 1975 | 26 Apr 1978 | 31 May 1977 | 26 Jun 1983 | 18 Jul 1982 | 16 Aug 1970 | 11 Sep 1969 | 16 Oct 1984 | 16 Nov 1983 | 31 Dec 1970 | 31 May 1977 | ||||
Decile 1 maximum temperature (°C) | 15.4 | 15.8 | 13.2 | 10.1 | 7.8 | 6.2 | 5.7 | 6.2 | 7.4 | 9.4 | 10.7 | 13.3 | 19 | 1968 1986 |
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Decile 9 maximum temperature(°C) | 30.5 | 30.4 | 27.0 | 21.2 | 16.4 | 11.7 | 11.1 | 13.6 | 16.2 | 20.8 | 24.6 | 27.7 | 19 | 1968 1986 |
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Mean number of days ≥ 30 °C | 3.6 | 3.6 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 1.5 | 9.8 | 18 | 1968 1986 |
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Mean number of days ≥ 35 °C | 0.4 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.0 | 18 | 1968 1986 |
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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 | 18 | 1968 1986 |
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Minimum temperature | |||||||||||||||||
Mean minimum temperature (°C) | 11.5 | 12.6 | 11.3 | 9.0 | 6.9 | 4.4 | 3.6 | 4.2 | 5.0 | 6.8 | 8.3 | 9.8 | 7.8 | 18 | 1968 1986 |
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Lowest temperature (°C) | 4.0 | 4.7 | 3.7 | 0.7 | -0.4 | -1.0 | -2.3 | -2.0 | -1.8 | -0.6 | 0.5 | 2.3 | -2.3 | 18 | 1968 1986 |
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Date | 12 Jan 1983 | 10 Feb 1980 | 12 Mar 1970 | 27 Apr 1978 | 31 May 1977 | 01 Jun 1969 | 05 Jul 1983 | 13 Aug 1982 | 12 Sep 1969 | 12 Oct 1972 | 17 Nov 1983 | 02 Dec 1969 | 05 Jul 1983 | ||||
Highest minimum temperature (°C) | 25.2 | 25.0 | 22.2 | 19.1 | 15.3 | 10.5 | 10.0 | 12.7 | 14.6 | 20.3 | 20.8 | 24.4 | 25.2 | 18 | 1968 1986 |
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Date | 15 Jan 1981 | 03 Feb 1979 | 02 Mar 1983 | 13 Apr 1985 | 09 May 1980 | 01 Jun 1973 | 28 Jul 1975 | 27 Aug 1969 | 30 Sep 1980 | 13 Oct 1977 | 13 Nov 1980 | 11 Dec 1980 | 15 Jan 1981 | ||||
Decile 1 minimum temperature (°C) | 7.4 | 8.0 | 7.1 | 5.4 | 3.6 | 2.0 | 1.4 | 1.6 | 1.8 | 3.2 | 4.6 | 6.2 | 19 | 1968 1986 |
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Decile 9 minimum temperature (°C) | 17.2 | 19.0 | 16.8 | 13.4 | 10.6 | 6.9 | 6.0 | 7.1 | 8.6 | 11.4 | 13.6 | 15.1 | 19 | 1968 1986 |
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Mean number of days ≤ 2 °C | 0.0 | 0.0 | 0.0 | 0.1 | 0.8 | 3.6 | 5.7 | 4.4 | 3.6 | 1.1 | 0.2 | 0.0 | 19.5 | 18 | 1968 1986 |
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Mean number of days ≤ 0 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 0.9 | 0.3 | 0.6 | 0.3 | 0.0 | 0.0 | 2.5 | 18 | 1968 1986 |
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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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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) | 70.2 | 61.2 | 74.6 | 102.0 | 129.6 | 98.4 | 95.5 | 116.8 | 106.0 | 104.8 | 109.4 | 95.7 | 1203.2 | 19 | 1968 2007 |
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Highest rainfall (mm) | 117.1 | 240.2 | 210.2 | 229.9 | 226.1 | 280.7 | 185.8 | 207.7 | 284.9 | 204.1 | 213.2 | 224.2 | 1452.3 | 25 | 1968 2007 |
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Date | 1970 | 2005 | 1970 | 1974 | 1970 | 1977 | 1986 | 1975 | 1984 | 1975 | 2004 | 1985 | 1970 | ||||
Lowest rainfall (mm) | 18.2 | 3.0 | 24.8 | 33.4 | 39.5 | 18.1 | 38.0 | 31.4 | 48.6 | 32.0 | 40.2 | 7.7 | 855.2 | 25 | 1968 2007 |
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Date | 2001 | 1983 | 1986 | 2007 | 1984 | 1972 | 1982 | 1982 | 1981 | 2007 | 1979 | 1972 | 1972 | ||||
Decile 1 rainfall (mm) | 44.9 | 9.6 | 26.8 | 47.6 | 52.6 | 41.4 | 56.0 | 58.4 | 58.3 | 44.4 | 52.9 | 40.5 | 964.1 | 25 | 1968 2007 |
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Decile 5 (median) rainfall (mm) | 68.3 | 40.4 | 66.0 | 91.4 | 134.3 | 95.9 | 84.7 | 121.8 | 99.2 | 93.0 | 106.0 | 95.0 | 1172.6 | 25 | 1968 2007 |
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Decile 9 rainfall (mm) | 94.1 | 128.3 | 119.2 | 172.1 | 184.6 | 133.3 | 150.6 | 168.8 | 146.7 | 164.8 | 168.6 | 151.2 | 1433.0 | 25 | 1968 2007 |
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Highest daily rainfall (mm) | 48.8 | 113.8 | 75.4 | 107.4 | 69.1 | 49.8 | 62.6 | 58.8 | 117.0 | 46.6 | 75.9 | 58.8 | 117.0 | 26 | 1968 2007 |
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Date | 21 Jan 1968 | 03 Feb 2005 | 22 Mar 1970 | 08 Apr 1977 | 06 May 1970 | 01 Jun 1977 | 29 Jul 1984 | 07 Aug 1978 | 19 Sep 1984 | 25 Oct 2000 | 08 Nov 1971 | 25 Dec 2006 | 19 Sep 1984 | ||||
Mean number of days of rain | 12.1 | 8.4 | 12.4 | 13.7 | 18.2 | 17.8 | 20.0 | 19.7 | 17.5 | 16.5 | 15.2 | 12.9 | 184.4 | 25 | 1968 2007 |
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Mean number of days of rain ≥ 1 mm | 7.7 | 5.7 | 8.8 | 9.8 | 14.0 | 13.1 | 14.6 | 14.8 | 13.3 | 13.0 | 11.4 | 9.8 | 136.0 | 26 | 1968 2007 |
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Mean number of days of rain ≥ 10 mm | 2.4 | 1.8 | 2.5 | 3.1 | 4.5 | 3.2 | 2.7 | 4.1 | 3.4 | 3.8 | 3.8 | 3.3 | 38.6 | 26 | 1968 2007 |
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Mean number of days of rain ≥ 25 mm | 0.6 | 0.6 | 0.5 | 0.8 | 0.8 | 0.3 | 0.2 | 0.5 | 0.3 | 0.8 | 1.0 | 0.9 | 7.3 | 26 | 1968 2007 |
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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) | 23.8 | 20.6 | 15.8 | 10.8 | 7.1 | 5.8 | 6.3 | 9.1 | 12.6 | 17.0 | 20.6 | 23.1 | 14.4 | 31 | 1990 2021 |
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Mean number of clear days | 7.7 | 8.2 | 6.4 | 5.3 | 3.2 | 4.3 | 3.0 | 2.1 | 2.9 | 3.2 | 4.3 | 5.7 | 56.3 | 15 | 1968 1986 |
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Mean number of cloudy days | 12.6 | 9.3 | 14.5 | 16.6 | 17.6 | 20.2 | 21.8 | 22.4 | 20.1 | 20.6 | 17.8 | 16.0 | 209.5 | 15 | 1968 1986 |
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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) | 15.0 | 16.1 | 14.4 | 11.4 | 8.6 | 6.0 | 5.1 | 6.0 | 7.5 | 10.1 | 11.7 | 13.3 | 10.4 | 19 | 1968 1986 |
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Mean 9am wet-bulb temperature (°C) | 12.4 | 13.2 | 12.2 | 9.6 | 7.5 | 5.2 | 4.4 | 5.1 | 6.3 | 8.4 | 9.7 | 11.0 | 8.8 | 18 | 1968 1986 |
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Mean 9am dew-point temperature (°C) | 1 | 1986 1986 |
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Mean 9am relative humidity (%) | 1 | 1986 1986 |
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Mean 9am cloud cover (oktas) | 4.9 | 4.3 | 4.9 | 5.4 | 5.7 | 6.2 | 6.0 | 6.2 | 6.1 | 5.7 | 5.4 | 5.4 | 5.5 | 19 | 1968 1986 |
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Mean 9am wind speed (km/h) | 18.1 | 16.5 | 17.2 | 20.0 | 21.1 | 22.0 | 22.9 | 23.0 | 21.6 | 19.7 | 18.5 | 17.5 | 19.8 | 18 | 1968 1986 |
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9am wind speed vs direction plot | ![]() |
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Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
3 pm conditions | |||||||||||||||||
Mean 3pm temperature (°C) | 20.3 | 21.6 | 18.4 | 14.2 | 11.4 | 7.8 | 6.9 | 8.3 | 10.1 | 12.9 | 15.9 | 18.4 | 13.9 | 15 | 1968 1986 |
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Mean 3pm wet-bulb temperature (°C) | 15.2 | 15.9 | 14.1 | 11.3 | 9.3 | 6.6 | 5.6 | 6.6 | 7.8 | 10.0 | 12.2 | 13.7 | 10.7 | 14 | 1968 1986 |
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Mean 3pm dew-point temperature (°C) | 0 | 1986 1986 |
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Mean 3pm relative humidity (%) | 0 | 1986 1986 |
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Mean 3pm cloud cover (oktas) | 4.3 | 4.2 | 4.9 | 5.4 | 5.8 | 5.9 | 6.5 | 6.5 | 6.3 | 6.0 | 5.6 | 4.9 | 5.5 | 15 | 1968 1986 |
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Mean 3pm wind speed (km/h) | 17.9 | 15.1 | 16.5 | 18.7 | 19.9 | 19.5 | 22.1 | 20.9 | 21.8 | 20.3 | 19.0 | 18.6 | 19.2 | 14 | 1968 1985 |
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3pm wind speed vs direction plot | ![]() |
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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.