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Climate statistics for Australian locations
Monthly climate statistics
All years of record
CASEY (THE TUNNEL)
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: CASEY (THE TUNNEL) | Site number: 300006 | Commenced: 1969 | Map | |
| Latitude: 66.28° S | Longitude: 110.53° E | Elevation: 12 m | Operational status: Closed 31 Jan 1989 | |
| 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) | 2.9 | 0.1 | -3.7 | -7.8 | -9.2 | -9.8 | -10.6 | -11.3 | -10.6 | -6.9 | -2.1 | 2.1 | -5.6 | 21 | 1969 1990 |
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| Highest temperature (°C) | 9.2 | 7.5 | 4.3 | 2.7 | 2.0 | 4.4 | 3.5 | 3.0 | 3.0 | 4.0 | 6.0 | 7.7 | 9.2 | 21 | 1969 1990 |
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| Date | 25 Jan 1987 | 10 Feb 1986 | 25 Mar 1975 | 04 Apr 1981 | 16 May 1977 | 10 Jun 1971 | 03 Jul 1976 | 30 Aug 1983 | 21 Sep 1989 | 24 Oct 1979 | 21 Nov 1979 | 03 Dec 1989 | 25 Jan 1987 | ||||
| Lowest maximum temperature (°C) | -2.0 | -6.9 | -21.0 | -21.0 | -23.7 | -25.0 | -32.4 | -30.1 | -25.6 | -20.3 | -10.6 | -4.0 | -32.4 | 21 | 1969 1990 |
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| Date | 13 Jan 1978 | 28 Feb 1969 | 29 Mar 1982 | 09 Apr 1977 | 31 May 1987 | 28 Jun 1986 | 17 Jul 1976 | 09 Aug 1987 | 08 Sep 1969 | 02 Oct 1983 | 08 Nov 1984 | 02 Dec 1972 | 17 Jul 1976 | ||||
| Decile 1 maximum temperature (°C) | 0.5 | -2.8 | -8.3 | -14.4 | -17.1 | -18.9 | -19.6 | -21.1 | -18.8 | -12.7 | -6.4 | -0.4 | 21 | 1969 1990 |
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| Decile 9 maximum temperature(°C) | 5.1 | 3.5 | 0.5 | -2.2 | -2.8 | -2.6 | -3.0 | -3.3 | -3.6 | -2.0 | 1.8 | 4.7 | 21 | 1969 1990 |
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| Mean number of days ≥ 30 °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 | 1969 1990 |
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| Mean number of days ≥ 35 °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 | 1969 1990 |
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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 | 21 | 1969 1990 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | -1.9 | -4.8 | -9.3 | -14.6 | -16.4 | -17.4 | -18.3 | -19.1 | -18.3 | -14.5 | -9.1 | -3.1 | -12.2 | 21 | 1969 1990 |
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| Lowest temperature (°C) | -9.6 | -14.8 | -26.1 | -27.7 | -32.7 | -33.0 | -41.0 | -38.4 | -34.1 | -31.0 | -21.9 | -13.0 | -41.0 | 21 | 1969 1990 |
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| Date | 29 Jan 1986 | 27 Feb 1985 | 31 Mar 1982 | 30 Apr 1982 | 07 May 1969 | 04 Jun 1979 | 19 Jul 1976 | 11 Aug 1987 | 03 Sep 1982 | 01 Oct 1972 | 01 Nov 1984 | 03 Dec 1972 | 19 Jul 1976 | ||||
| Highest minimum temperature (°C) | 3.3 | 2.2 | -0.2 | -2.0 | -1.0 | -1.7 | -2.0 | -3.0 | -2.2 | -3.0 | 0.0 | 2.0 | 3.3 | 21 | 1969 1990 |
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| Date | 05 Jan 1977 | 09 Feb 1986 | 11 Mar 1984 | 05 Apr 1981 | 17 May 1977 | 11 Jun 1971 | 20 Jul 1980 | 11 Aug 1981 | 07 Sep 1983 | 12 Oct 1974 | 29 Nov 1987 | 21 Dec 1980 | 05 Jan 1977 | ||||
| Decile 1 minimum temperature (°C) | -5.0 | -8.5 | -15.3 | -22.0 | -24.0 | -26.0 | -27.3 | -28.9 | -26.7 | -21.3 | -15.0 | -6.5 | 21 | 1969 1990 |
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| Decile 9 minimum temperature (°C) | 0.4 | -1.1 | -3.9 | -7.5 | -8.0 | -8.9 | -9.0 | -9.5 | -9.8 | -8.1 | -3.8 | 0.0 | 21 | 1969 1990 |
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| Mean number of days ≤ 2 °C | 30.4 | 27.2 | 31.0 | 29.9 | 30.9 | 29.8 | 30.9 | 30.9 | 29.7 | 31.0 | 30.0 | 30.9 | 362.6 | 21 | 1969 1990 |
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| Mean number of days ≤ 0 °C | 26.7 | 26.3 | 31.0 | 29.9 | 30.9 | 29.8 | 30.9 | 30.9 | 29.7 | 31.0 | 30.0 | 28.7 | 355.8 | 21 | 1969 1990 |
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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) | 10.1 | 10.0 | 13.7 | 13.1 | 17.0 | 17.8 | 17.9 | 11.3 | 11.1 | 11.5 | 3.9 | 15.0 | 152.8 | 12 | 1977 1988 |
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| Highest rainfall (mm) | 23.6 | 39.8 | 32.8 | 28.0 | 64.4 | 39.6 | 35.4 | 24.8 | 27.0 | 26.2 | 15.9 | 69.0 | 212.8 | 12 | 1977 1988 |
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| Date | 1980 | 1985 | 1988 | 1983 | 1984 | 1984 | 1983 | 1987 | 1978 | 1977 | 1978 | 1982 | 1984 | ||||
| Lowest rainfall (mm) | 1.4 | 1.6 | 3.2 | 3.2 | 5.4 | 5.4 | 0.4 | 0.0 | 1.8 | 1.0 | 0.0 | 1.0 | 102.0 | 12 | 1977 1988 |
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| Date | 1982 | 1988 | 1987 | 1981 | 1980 | 1987 | 1981 | 1981 | 1980 | 1988 | 1979 | 1988 | 1980 | ||||
| Decile 1 rainfall (mm) | 3.6 | 2.0 | 6.8 | 7.3 | 5.5 | 7.7 | 4.4 | 3.8 | 2.9 | 1.6 | 0.4 | 1.6 | 12 | n/a n/a |
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| Decile 5 (median) rainfall (mm) | 9.8 | 5.2 | 12.6 | 12.5 | 12.6 | 16.4 | 18.6 | 7.1 | 8.2 | 11.0 | 2.8 | 6.4 | 12 | n/a n/a |
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| Decile 9 rainfall (mm) | 16.8 | 25.8 | 18.1 | 17.3 | 25.3 | 32.8 | 26.9 | 23.8 | 24.0 | 18.5 | 7.8 | 44.6 | 12 | n/a n/a |
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| Highest daily rainfall (mm) | 20.6 | 37.6 | 8.4 | 9.6 | 23.8 | 17.6 | 26.6 | 16.4 | 14.2 | 14.2 | 6.5 | 33.6 | 37.6 | 12 | 1977 1988 |
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| Date | 09 Jan 1980 | 26 Feb 1985 | 14 Mar 1988 | 09 Apr 1988 | 30 May 1984 | 03 Jun 1981 | 09 Jul 1983 | 24 Aug 1987 | 07 Sep 1988 | 07 Oct 1977 | 16 Nov 1978 | 12 Dec 1982 | 26 Feb 1985 | ||||
| Mean number of days of rain | 5.1 | 4.9 | 6.9 | 7.0 | 8.4 | 8.1 | 7.1 | 6.3 | 6.5 | 6.5 | 3.7 | 6.0 | 76.5 | 12 | 1977 1988 |
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| Mean number of days of rain ≥ 1 mm | 2.7 | 1.9 | 3.8 | 3.4 | 4.1 | 4.8 | 3.8 | 2.7 | 3.5 | 3.1 | 1.3 | 2.5 | 37.6 | 12 | 1977 1988 |
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| Mean number of days of rain ≥ 10 mm | 0.1 | 0.2 | 0.0 | 0.0 | 0.4 | 0.2 | 0.3 | 0.2 | 0.1 | 0.3 | 0.0 | 0.3 | 2.1 | 12 | 1977 1988 |
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| Mean number of days of rain ≥ 25 mm | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.4 | 12 | 1977 1988 |
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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) | 6 | 1969 1990 |
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| Maximum wind gust speed (km/h) | 185 | 167 | 176 | 210 | 256 | 221 | 217 | 230 | 291 | 232 | 202 | 204 | 291 | 21 | 1969 1990 |
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| Date | 29 Jan 1972 | 10 Feb 1986 | 24 Mar 1975 | 21 Apr 1988 | 15 May 1977 | 18 Jun 1983 | 03 Jul 1982 | 22 Aug 1974 | 29 Sep 1971 | 01 Oct 1969 | 07 Nov 1980 | 01 Dec 1976 | 29 Sep 1971 | ||||
| Mean daily sunshine (hours) | 5 | 1984 1989 |
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| Mean daily solar exposure (MJ/m2) | |
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| Mean number of clear days | |
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| Mean number of cloudy days | |
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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) | 0 | 1974 1974 |
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| Mean 9am wet-bulb temperature (°C) | 0 | 1974 1974 |
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| Mean 9am dew-point temperature (°C) | 0 | 1974 1974 |
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| Mean 9am relative humidity (%) | 0 | 1974 1974 |
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| Mean 9am cloud cover (oktas) | 0 | 1974 1974 |
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| Mean 9am wind speed (km/h) | 1974 1974 |
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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) | |
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| Mean 3pm wet-bulb temperature (°C) | |
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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) | |
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| Mean 3pm wind speed (km/h) | |
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| 3pm wind speed vs direction plot | |
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red = highest value
blue = lowest value
Product IDCJCM0031 Prepared at Thu 16 Oct 2025 00:53:15 AM AEDT
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_300006_All.shtml
- Summary statistics and locational map for this site:
http://www.bom.gov.au/climate/averages/tables/cw_300006.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/IDCJCM0031_300006.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
Climate outlooks
- Monthly and seasonal climate outlooks
Additional climate information
Page created: Thu 16 Oct 2025 00:53:15 AM AEDT