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Climate statistics for Australian locations
Monthly climate statistics
All years of record
MOUNT ISA AERO
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 details
| Site name: MOUNT ISA AERO | Site number: 029127 | Commenced: 1966 | Map | |
| Latitude: 20.68° S | Longitude: 139.49° E | Elevation: 340 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) | 36.5 | 35.5 | 34.4 | 32.0 | 28.0 | 24.9 | 24.9 | 27.4 | 31.4 | 34.8 | 36.6 | 37.2 | 32.0 | 53 | 1966 2019 |
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| Highest temperature (°C) | 45.9 | 43.5 | 41.9 | 38.6 | 37.8 | 34.3 | 35.2 | 36.4 | 40.4 | 42.5 | 43.9 | 45.3 | 45.9 | 53 | 1966 2019 |
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| Date | 29 Jan 1990 | 03 Feb 2002 | 01 Mar 2016 | 11 Apr 2003 | 02 May 2016 | 08 Jun 2016 | 17 Jul 1995 | 29 Aug 2009 | 27 Sep 2017 | 28 Oct 2003 | 28 Nov 2015 | 21 Dec 2018 | 29 Jan 1990 | ||||
| Lowest maximum temperature (°C) | 22.8 | 23.1 | 23.3 | 17.0 | 15.6 | 9.4 | 10.1 | 14.1 | 14.8 | 19.1 | 19.1 | 20.4 | 9.4 | 53 | 1966 2019 |
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| Date | 29 Jan 2009 | 16 Feb 1975 | 26 Mar 1973 | 25 Apr 2012 | 14 May 1979 | 20 Jun 2007 | 14 Jul 2016 | 08 Aug 1996 | 02 Sep 1992 | 17 Oct 1974 | 24 Nov 2009 | 26 Dec 2006 | 20 Jun 2007 | ||||
| Decile 1 maximum temperature (°C) | 31.3 | 30.6 | 30.9 | 28.1 | 23.4 | 20.4 | 20.5 | 22.6 | 26.2 | 30.1 | 32.2 | 32.7 | 52 | 1966 2019 |
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| Decile 9 maximum temperature(°C) | 40.6 | 39.8 | 37.7 | 35.3 | 31.7 | 29.2 | 29.0 | 32.0 | 35.9 | 38.9 | 40.4 | 41.1 | 52 | 1966 2019 |
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| Mean number of days ≥ 30 °C | 28.5 | 25.7 | 28.5 | 23.6 | 9.1 | 1.7 | 1.8 | 7.6 | 20.3 | 27.7 | 28.5 | 29.3 | 232.3 | 53 | 1966 2019 |
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| Mean number of days ≥ 35 °C | 21.8 | 16.4 | 14.4 | 4.2 | 0.2 | 0.0 | 0.0 | 0.3 | 5.3 | 16.5 | 22.2 | 23.8 | 125.1 | 53 | 1966 2019 |
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| Mean number of days ≥ 40 °C | 5.3 | 2.7 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 4.1 | 7.0 | 20.4 | 53 | 1966 2019 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 23.8 | 23.3 | 21.8 | 18.5 | 13.9 | 10.0 | 8.7 | 10.2 | 14.2 | 18.5 | 21.5 | 23.1 | 17.3 | 53 | 1966 2019 |
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| Lowest temperature (°C) | 15.4 | 13.1 | 13.1 | 5.8 | 1.8 | -1.3 | -2.9 | -1.1 | 1.0 | 6.1 | 10.3 | 12.0 | -2.9 | 53 | 1966 2019 |
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| Date | 04 Jan 1970 | 13 Feb 2012 | 27 Mar 1979 | 30 Apr 2017 | 31 May 2011 | 24 Jun 1981 | 07 Jul 1984 | 25 Aug 2000 | 02 Sep 2001 | 02 Oct 1982 | 12 Nov 1999 | 06 Dec 2017 | 07 Jul 1984 | ||||
| Highest minimum temperature (°C) | 31.6 | 30.1 | 29.3 | 27.3 | 24.0 | 20.3 | 20.1 | 21.3 | 26.6 | 28.2 | 30.1 | 30.7 | 31.6 | 53 | 1966 2019 |
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| Date | 30 Jan 1990 | 15 Feb 1969 | 01 Mar 2013 | 11 Apr 1985 | 10 May 1996 | 23 Jun 1996 | 01 Jul 1969 | 23 Aug 2003 | 25 Sep 1989 | 30 Oct 2018 | 24 Nov 1987 | 22 Dec 2018 | 30 Jan 1990 | ||||
| Decile 1 minimum temperature (°C) | 20.8 | 20.4 | 18.1 | 13.9 | 8.3 | 4.5 | 3.3 | 4.4 | 8.9 | 13.2 | 17.3 | 19.3 | 52 | 1966 2019 |
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| Decile 9 minimum temperature (°C) | 26.9 | 26.1 | 25.0 | 22.5 | 19.2 | 15.1 | 13.9 | 15.8 | 19.5 | 23.3 | 25.4 | 26.6 | 52 | 1966 2019 |
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| Mean number of days ≤ 2 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 1.5 | 0.8 | 0.1 | 0.0 | 0.0 | 0.0 | 3.0 | 53 | 1966 2019 |
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| Mean number of days ≤ 0 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 53 | 1966 2019 |
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| Ground surface temperature | |||||||||||||||||
| Mean daily ground minimum temperature (°C) | 21.7 | 21.5 | 19.5 | 15.7 | 11.1 | 7.2 | 5.6 | 7.2 | 11.3 | 15.6 | 18.9 | 21.0 | 14.7 | 41 | 1975 2016 |
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| Lowest ground temperature (°C) | 10.9 | 11.5 | 8.4 | 3.3 | -1.4 | -3.7 | -6.6 | -3.4 | -2.5 | 2.6 | 6.4 | 9.0 | -6.6 | 41 | 1975 2016 |
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| Date | 01 Jan 1985 | 14 Feb 2009 | 08 Mar 1985 | 30 Apr 2004 | 31 May 2011 | 30 Jun 2002 | 06 Jul 1984 | 08 Aug 1985 | 06 Sep 1984 | 02 Oct 1982 | 11 Nov 1999 | 22 Dec 1984 | 06 Jul 1984 | ||||
| Mean number of days ground min. temp. ≤ -1 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.8 | 1.8 | 0.6 | 0.1 | 0.0 | 0.0 | 0.0 | 3.3 | 41 | 1975 2016 |
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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) | 114.7 | 103.1 | 65.4 | 13.6 | 11.9 | 6.4 | 5.8 | 3.4 | 8.2 | 18.5 | 38.4 | 72.5 | 462.0 | 51 | 1966 2019 |
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| Highest rainfall (mm) | 535.2 | 278.2 | 276.6 | 167.8 | 176.4 | 111.8 | 67.4 | 41.8 | 117.0 | 91.4 | 205.6 | 275.2 | 1092.4 | 53 | 1966 2019 |
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| Date | 2009 | 2019 | 1997 | 2006 | 1968 | 2007 | 1986 | 1974 | 2016 | 1986 | 2011 | 2000 | 2011 | ||||
| Lowest rainfall (mm) | 0.2 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 93.4 | 53 | 1966 2019 |
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| Date | 1985 | 1978 | 2005 | 2019 | 2017 | 2019 | 2019 | 2019 | 2018 | 2013 | 1980 | 2018 | 2013 | ||||
| Decile 1 rainfall (mm) | 8.4 | 15.0 | 5.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.4 | 12.8 | 243.2 | 53 | 1966 2019 |
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| Decile 5 (median) rainfall (mm) | 70.8 | 85.6 | 41.0 | 1.4 | 0.5 | 0.0 | 0.0 | 0.2 | 0.2 | 9.0 | 27.3 | 59.2 | 421.2 | 53 | 1966 2019 |
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| Decile 9 rainfall (mm) | 247.6 | 209.7 | 172.5 | 41.2 | 28.4 | 18.8 | 15.7 | 9.1 | 24.4 | 56.8 | 75.8 | 142.5 | 793.0 | 53 | 1966 2019 |
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| Highest daily rainfall (mm) | 213.0 | 123.2 | 130.0 | 44.6 | 106.4 | 54.8 | 61.8 | 26.6 | 70.3 | 39.2 | 102.4 | 109.4 | 213.0 | 53 | 1966 2019 |
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| Date | 15 Jan 2004 | 02 Feb 2019 | 06 Mar 1967 | 06 Apr 2006 | 12 May 1968 | 18 Jun 2007 | 10 Jul 1978 | 25 Aug 1974 | 18 Sep 2016 | 08 Oct 2017 | 04 Nov 2011 | 16 Dec 1984 | 15 Jan 2004 | ||||
| Mean number of days of rain | 9.9 | 9.2 | 6.0 | 2.2 | 1.8 | 1.1 | 1.0 | 0.9 | 1.7 | 3.3 | 6.1 | 7.9 | 51.1 | 53 | 1966 2019 |
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| Mean number of days of rain ≥ 1 mm | 7.8 | 7.1 | 4.2 | 1.4 | 1.2 | 0.7 | 0.6 | 0.5 | 0.9 | 2.3 | 4.0 | 5.8 | 36.5 | 53 | 1966 2019 |
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| Mean number of days of rain ≥ 10 mm | 3.1 | 3.0 | 1.6 | 0.4 | 0.4 | 0.2 | 0.2 | 0.1 | 0.2 | 0.6 | 1.3 | 2.0 | 13.1 | 53 | 1966 2019 |
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| Mean number of days of rain ≥ 25 mm | 1.4 | 1.3 | 0.8 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.2 | 0.3 | 0.9 | 5.5 | 53 | 1966 2019 |
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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) | 303 | 300 | 300 | 302 | 298 | 302 | 294 | 291 | 302 | 323 | 323 | 316 | 305 | 21 | 1996 2019 |
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| Maximum wind gust speed (km/h) | 128 | 115 | 102 | 80 | 74 | 72 | 63 | 78 | 93 | 126 | 111 | 126 | 128 | 51 | 1966 2019 |
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| Date | 30 Jan 1990 | 15 Feb 1978 | 25 Mar 1971 | 14 Apr 1998 | 17 May 1988 | 19 Jun 1991 | 24 Jul 1986 | 23 Aug 2003 | 22 Sep 1970 | 17 Oct 1971 | 10 Nov 2011 | 08 Dec 1990 | 30 Jan 1990 | ||||
| Mean daily sunshine (hours) | 8.7 | 8.8 | 9.0 | 9.6 | 9.4 | 9.5 | 9.8 | 10.4 | 10.3 | 10.0 | 9.7 | 9.3 | 9.5 | 41 | 1975 2016 |
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| Mean daily solar exposure (MJ/m2) | 24.7 | 24.2 | 23.3 | 20.9 | 17.9 | 16.5 | 17.6 | 20.6 | 23.3 | 25.6 | 25.9 | 25.8 | 22.2 | 30 | 1990 2019 |
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| Mean number of clear days | 6.0 | 5.0 | 10.5 | 13.3 | 16.0 | 19.8 | 22.3 | 23.1 | 20.1 | 17.9 | 12.1 | 9.3 | 175.4 | 43 | 1966 2010 |
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| Mean number of cloudy days | 11.4 | 10.4 | 8.0 | 4.7 | 5.2 | 3.2 | 2.8 | 2.0 | 2.2 | 3.4 | 5.4 | 8.2 | 66.9 | 43 | 1966 2010 |
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| Mean daily evaporation (mm) | 9.6 | 8.9 | 8.9 | 8.3 | 6.4 | 5.3 | 5.5 | 6.9 | 8.9 | 10.5 | 11.0 | 10.5 | 8.4 | 41 | 1975 2016 |
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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) | 28.9 | 27.9 | 27.0 | 24.5 | 19.8 | 15.9 | 15.2 | 17.8 | 22.6 | 26.8 | 29.0 | 29.7 | 23.8 | 44 | 1966 2012 |
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| Mean 9am wet-bulb temperature (°C) | 21.5 | 21.7 | 19.6 | 16.5 | 13.5 | 10.8 | 9.7 | 10.7 | 13.5 | 16.1 | 18.3 | 20.1 | 16.0 | 43 | 1966 2010 |
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| Mean 9am dew-point temperature (°C) | 16.4 | 17.6 | 14.2 | 9.7 | 7.1 | 4.9 | 2.8 | 1.9 | 3.2 | 5.4 | 8.8 | 12.7 | 8.7 | 44 | 1966 2012 |
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| Mean 9am relative humidity (%) | 52 | 58 | 49 | 42 | 46 | 50 | 45 | 37 | 31 | 29 | 33 | 41 | 43 | 44 | 1966 2012 |
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| Mean 9am cloud cover (oktas) | 4.0 | 4.1 | 3.2 | 2.4 | 2.4 | 1.9 | 1.5 | 1.3 | 1.5 | 1.8 | 2.5 | 3.4 | 2.5 | 44 | 1966 2012 |
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| Mean 9am wind speed (km/h) | 11.8 | 11.0 | 12.0 | 13.3 | 11.4 | 10.2 | 10.1 | 12.1 | 15.1 | 16.2 | 15.2 | 13.4 | 12.6 | 43 | 1966 2012 |
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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) | 34.6 | 33.8 | 33.1 | 30.9 | 27.0 | 24.1 | 23.8 | 26.2 | 30.0 | 33.3 | 34.8 | 35.4 | 30.6 | 43 | 1966 2010 |
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| Mean 3pm wet-bulb temperature (°C) | 22.2 | 22.5 | 20.9 | 18.6 | 16.1 | 14.1 | 13.4 | 14.1 | 16.0 | 18.0 | 19.7 | 21.2 | 18.1 | 43 | 1966 2010 |
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| Mean 3pm dew-point temperature (°C) | 13.9 | 15.3 | 12.4 | 8.6 | 6.0 | 3.5 | 1.3 | 0.3 | 1.2 | 3.4 | 6.7 | 10.5 | 6.9 | 43 | 1966 2010 |
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| Mean 3pm relative humidity (%) | 35 | 38 | 32 | 27 | 29 | 28 | 25 | 20 | 18 | 18 | 22 | 27 | 27 | 43 | 1966 2010 |
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| Mean 3pm cloud cover (oktas) | 4.9 | 5.1 | 4.1 | 3.3 | 2.8 | 2.1 | 1.5 | 1.4 | 1.8 | 2.6 | 3.8 | 4.3 | 3.1 | 43 | 1966 2010 |
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| Mean 3pm wind speed (km/h) | 14.3 | 13.9 | 14.3 | 14.0 | 12.8 | 13.1 | 13.0 | 13.8 | 13.4 | 13.8 | 13.8 | 13.6 | 13.6 | 42 | 1966 2010 |
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| 3pm wind speed vs direction plot | |
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red = highest value
blue = lowest value
Product IDCJCM0036 Prepared at Thu 12 Sep 2019 01:36:03 AM EST
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.
Related Links
- This page URL: http://www.bom.gov.au/climate/averages/tables/cw_029127_All.shtml
- Summary statistics and locational map for this site:
http://www.bom.gov.au/climate/averages/tables/cw_029127.shtml - About climate averages: http://www.bom.gov.au/climate/cdo/about/about-stats.shtml
- Data file (csv): http://www.bom.gov.au/clim_data/cdio/tables/text/IDCJCM0036_029127.csv
- Climate averages home page URL: http://www.bom.gov.au/climate/data/index.shtml
- Bureau of Meteorology website: http://www.bom.gov.au
Related information
Maps
- Long term climatology maps for selected elements
- Rainfall maps and temperature maps based on recent observations
Recent observations for this site
- Daily Weather Observations from this site are included in the Daily Weather Observations Mount Isa
Climate outlooks
- Monthly and seasonal climate outlooks
Additional climate information
Page created: Thu 12 Sep 2019 01:36:03 AM EST