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Climate statistics for Australian locations
Monthly climate statistics
All years of record
WALCHA POST OFFICE
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: WALCHA POST OFFICE | Site number: 056035 | Commenced: 1879 | Map | |
| Latitude: 30.99° S | Longitude: 151.59° E | Elevation: 1050 m | Operational status: Closed 09 Aug 1996 | |
| 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) | 25.3 | 25.2 | 23.1 | 20.3 | 15.5 | 12.7 | 11.9 | 12.7 | 16.2 | 19.9 | 22.5 | 24.7 | 19.2 | 16 | 1957 1975 |
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| Highest temperature (°C) | 35.4 | 33.9 | 32.2 | 28.9 | 22.5 | 18.9 | 19.0 | 21.7 | 27.2 | 30.0 | 34.2 | 35.6 | 35.6 | 11 | 1965 1975 |
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| Date | 04 Jan 1973 | 23 Feb 1965 | 05 Mar 1965 | 18 Apr 1968 | 22 May 1975 | 08 Jun 1965 | 30 Jul 1975 | 07 Aug 1973 | 28 Sep 1965 | 31 Oct 1965 | 19 Nov 1968 | 30 Dec 1965 | 30 Dec 1965 | ||||
| Lowest maximum temperature (°C) | 15.6 | 15.5 | 15.0 | 11.0 | 5.5 | 4.8 | 2.2 | 4.2 | 6.9 | 6.1 | 12.1 | 12.8 | 2.2 | 11 | 1965 1975 |
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| Date | 25 Jan 1967 | 24 Feb 1975 | 31 Mar 1970 | 30 Apr 1974 | 30 May 1969 | 26 Jun 1968 | 08 Jul 1972 | 21 Aug 1968 | 12 Sep 1969 | 05 Oct 1966 | 27 Nov 1972 | 15 Dec 1971 | 08 Jul 1972 | ||||
| Decile 1 maximum temperature (°C) | 20.6 | 20.6 | 18.9 | 16.1 | 10.9 | 9.0 | 7.8 | 8.9 | 11.0 | 15.0 | 16.0 | 19.5 | 10 | 1965 1975 |
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| Decile 9 maximum temperature(°C) | 30.5 | 30.2 | 27.8 | 24.4 | 19.5 | 15.7 | 15.0 | 16.1 | 21.2 | 25.0 | 27.4 | 29.1 | 10 | 1965 1975 |
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| Mean number of days ≥ 30 °C | 3.6 | 3.0 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.6 | 1.9 | 9.8 | 11 | 1965 1975 |
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| Mean number of days ≥ 35 °C | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 11 | 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 | 11 | 1965 1975 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 11.6 | 12.1 | 9.7 | 5.5 | 1.3 | 0.0 | -2.0 | -0.2 | 1.8 | 5.6 | 7.8 | 10.4 | 5.3 | 16 | 1957 1975 |
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| Lowest temperature (°C) | 1.0 | 2.2 | -2.8 | -5.6 | -10.6 | -11.7 | -12.8 | -10.0 | -7.2 | -4.2 | -2.2 | -1.0 | -12.8 | 11 | 1965 1975 |
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| Date | 28 Jan 1975 | 21 Feb 1966 | 25 Mar 1967 | 29 Apr 1970 | 21 May 1965 | 26 Jun 1971 | 18 Jul 1970 | 07 Aug 1970 | 01 Sep 1970 | 28 Oct 1971 | 13 Nov 1965 | 04 Dec 1974 | 18 Jul 1970 | ||||
| Highest minimum temperature (°C) | 18.2 | 19.5 | 18.5 | 13.9 | 14.5 | 9.9 | 8.9 | 10.0 | 13.0 | 14.0 | 17.2 | 23.6 | 23.6 | 11 | 1965 1975 |
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| Date | 28 Jan 1973 | 03 Feb 1973 | 13 Mar 1974 | 30 Apr 1968 | 01 May 1973 | 25 Jun 1973 | 21 Jul 1969 | 02 Aug 1975 | 19 Sep 1975 | 25 Oct 1974 | 06 Nov 1965 | 12 Dec 1967 | 12 Dec 1967 | ||||
| Decile 1 minimum temperature (°C) | 6.1 | 8.0 | 4.4 | 0.0 | -4.7 | -6.1 | -8.3 | -5.2 | -3.5 | 0.2 | 2.5 | 5.0 | 10 | 1965 1975 |
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| Decile 9 minimum temperature (°C) | 15.8 | 16.6 | 13.3 | 10.2 | 6.9 | 5.6 | 4.3 | 5.6 | 7.2 | 10.7 | 12.2 | 14.6 | 10 | 1965 1975 |
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| Mean number of days ≤ 2 °C | 0.3 | 0.0 | 1.5 | 6.0 | 16.3 | 17.6 | 22.7 | 19.4 | 14.3 | 4.7 | 2.5 | 0.7 | 106.0 | 11 | 1965 1975 |
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| Mean number of days ≤ 0 °C | 0.0 | 0.0 | 0.6 | 2.7 | 12.6 | 13.8 | 19.3 | 15.0 | 8.6 | 2.5 | 1.1 | 0.3 | 76.5 | 11 | 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) | 103.9 | 86.3 | 63.1 | 44.8 | 46.2 | 58.6 | 54.4 | 53.4 | 56.1 | 70.7 | 80.8 | 90.0 | 807.8 | 115 | 1879 1996 |
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| Highest rainfall (mm) | 286.9 | 305.7 | 203.3 | 170.2 | 177.2 | 222.9 | 194.3 | 154.1 | 189.7 | 168.8 | 245.1 | 259.9 | 1159.6 | 117 | 1879 1996 |
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| Date | 1933 | 1929 | 1907 | 1990 | 1963 | 1950 | 1950 | 1952 | 1917 | 1955 | 1917 | 1882 | 1928 | ||||
| Lowest rainfall (mm) | 0.0 | 1.8 | 1.8 | 0.0 | 1.6 | 0.0 | 3.9 | 0.0 | 2.6 | 4.1 | 8.4 | 2.8 | 417.1 | 117 | 1879 1996 |
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| Date | 1903 | 1903 | 1986 | 1942 | 1957 | 1986 | 1970 | 1995 | 1914 | 1900 | 1952 | 1950 | 1980 | ||||
| Decile 1 rainfall (mm) | 33.7 | 19.0 | 9.2 | 8.2 | 12.2 | 15.7 | 17.2 | 9.0 | 16.5 | 22.8 | 20.6 | 27.3 | 573.7 | 117 | 1879 1996 |
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| Decile 5 (median) rainfall (mm) | 95.2 | 71.1 | 49.3 | 36.3 | 34.7 | 52.2 | 46.4 | 49.0 | 50.3 | 61.4 | 77.0 | 80.6 | 805.7 | 117 | 1879 1996 |
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| Decile 9 rainfall (mm) | 199.8 | 167.5 | 137.3 | 90.5 | 88.6 | 103.2 | 103.9 | 103.7 | 111.9 | 126.5 | 149.8 | 158.2 | 1035.3 | 117 | 1879 1996 |
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| Highest daily rainfall (mm) | 116.0 | 110.2 | 161.3 | 81.8 | 72.9 | 117.3 | 86.4 | 92.5 | 100.6 | 81.6 | 102.1 | 152.4 | 161.3 | 113 | 1879 1996 |
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| Date | 31 Jan 1984 | 22 Feb 1977 | 16 Mar 1908 | 01 Apr 1903 | 07 May 1915 | 19 Jun 1930 | 30 Jul 1934 | 12 Aug 1929 | 17 Sep 1932 | 30 Oct 1984 | 04 Nov 1895 | 25 Dec 1882 | 16 Mar 1908 | ||||
| Mean number of days of rain | 8.7 | 7.8 | 7.4 | 6.3 | 7.1 | 8.8 | 8.3 | 8.1 | 7.4 | 8.5 | 8.4 | 8.6 | 95.4 | 117 | 1879 1996 |
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| Mean number of days of rain ≥ 1 mm | 7.6 | 6.5 | 5.8 | 4.9 | 5.5 | 6.8 | 6.4 | 6.7 | 6.3 | 7.2 | 7.3 | 7.4 | 78.4 | 113 | 1879 1996 |
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| Mean number of days of rain ≥ 10 mm | 3.3 | 2.7 | 1.9 | 1.6 | 1.5 | 1.8 | 1.7 | 1.7 | 2.0 | 2.3 | 2.7 | 3.1 | 26.3 | 113 | 1879 1996 |
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| Mean number of days of rain ≥ 25 mm | 1.2 | 0.9 | 0.7 | 0.4 | 0.3 | 0.4 | 0.4 | 0.3 | 0.3 | 0.7 | 0.7 | 0.9 | 7.2 | 113 | 1879 1996 |
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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) | 24.6 | 21.5 | 18.5 | 15.1 | 11.6 | 9.7 | 10.8 | 14.2 | 18.2 | 21.2 | 22.6 | 24.4 | 17.7 | 29 | 1990 2019 |
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| Mean number of clear days | 7 | 1968 1975 |
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| Mean number of cloudy days | 7 | 1968 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) | 7 | 1968 1975 |
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| Mean 9am wet-bulb temperature (°C) | 7 | 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) | 3.6 | 4.4 | 3.4 | 3.2 | 3.8 | 4.5 | 3.9 | 3.5 | 3.1 | 3.5 | 2.9 | 3.3 | 3.6 | 17 | 1951 1975 |
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| Mean 9am wind speed (km/h) | 9 | 1965 1975 |
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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) | 7 | 1968 1975 |
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| Mean 3pm wet-bulb temperature (°C) | 7 | 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) | 7 | 1968 1975 |
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| Mean 3pm wind speed (km/h) | 6 | 1968 1975 |
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| 3pm wind speed vs direction plot | |
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red = highest value
blue = lowest value
Product IDCJCM0037 Prepared at Thu 17 Jan 2019 01:55:40 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_056035_All.shtml
- Summary statistics and locational map for this site:
http://www.bom.gov.au/climate/averages/tables/cw_056035.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/IDCJCM0037_056035.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 17 Jan 2019 01:55:40 AM EST