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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: BYRON BAY (CAPE BYRON LIGHTHOUSE) | Site number: 058009 | Commenced: 1948 | Map | |
| Latitude: 28.64° S | Longitude: 153.64° E | Elevation: 95 m | Operational status: Closed 01 Sep 2012 | |
| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||||||
| Maximum temperature | |||||||||||||||||
| Mean maximum temperature (°C) | 27.5 | 27.6 | 26.5 | 24.5 | 21.9 | 19.7 | 19.3 | 20.2 | 22.1 | 23.3 | 24.7 | 26.4 | 23.6 | 29 | 1974 2007 |
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| Highest temperature (°C) | 33.2 | 34.6 | 32.8 | 30.2 | 29.4 | 29.5 | 26.6 | 26.9 | 32.4 | 32.6 | 34.6 | 35.1 | 35.1 | 30 | 1974 2007 |
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| Date | 18 Jan 1977 | 10 Feb 1990 | 18 Mar 1998 | 14 Apr 1981 | 09 May 1975 | 04 Jun 1975 | 15 Jul 1997 | 04 Aug 1981 | 16 Sep 1991 | 30 Oct 2001 | 07 Nov 1994 | 25 Dec 2001 | 25 Dec 2001 | ||||
| Lowest maximum temperature (°C) | 21.3 | 20.0 | 20.4 | 17.0 | 16.0 | 13.8 | 11.9 | 12.8 | 14.8 | 16.3 | 18.1 | 18.5 | 11.9 | 30 | 1974 2007 |
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| Date | 15 Jan 1994 | 15 Feb 1996 | 30 Mar 2005 | 21 Apr 1985 | 20 May 1992 | 17 Jun 1998 | 30 Jul 1990 | 12 Aug 2005 | 01 Sep 2004 | 04 Oct 1979 | 01 Nov 1982 | 15 Dec 1981 | 30 Jul 1990 | ||||
| Decile 1 maximum temperature (°C) | 24.8 | 25.0 | 23.8 | 21.6 | 19.4 | 17.2 | 16.8 | 17.2 | 19.0 | 20.2 | 21.8 | 23.5 | 30 | 1974 2007 |
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| Decile 9 maximum temperature(°C) | 30.4 | 30.1 | 29.2 | 27.1 | 24.7 | 22.4 | 21.8 | 22.8 | 24.8 | 26.0 | 27.6 | 29.2 | 30 | 1974 2007 |
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| Mean number of days ≥ 30 °C | 4.2 | 3.4 | 1.5 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.1 | 0.3 | 1.6 | 11.4 | 30 | 1974 2007 |
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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 | 30 | 1974 2007 |
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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 | 30 | 1974 2007 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 20.8 | 20.7 | 19.6 | 17.2 | 14.9 | 12.4 | 11.7 | 12.5 | 14.4 | 16.1 | 17.8 | 19.6 | 16.5 | 29 | 1974 2007 |
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| Lowest temperature (°C) | 15.3 | 15.2 | 11.6 | 10.5 | 4.3 | 5.0 | 4.2 | 5.5 | 7.7 | 7.4 | 8.9 | 10.0 | 4.2 | 30 | 1974 2007 |
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| Date | 19 Jan 1997 | 09 Feb 1985 | 08 Mar 1990 | 23 Apr 2000 | 31 May 2000 | 01 Jun 2000 | 26 Jul 1996 | 14 Aug 2005 | 03 Sep 2004 | 13 Oct 1992 | 17 Nov 1998 | 04 Dec 1994 | 26 Jul 1996 | ||||
| Highest minimum temperature (°C) | 24.9 | 25.2 | 24.2 | 22.7 | 21.3 | 19.6 | 18.4 | 18.1 | 20.8 | 21.3 | 24.8 | 24.4 | 25.2 | 30 | 1974 2007 |
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| Date | 15 Jan 1999 | 09 Feb 2005 | 26 Mar 2001 | 13 Apr 1998 | 06 May 1996 | 03 Jun 2003 | 05 Jul 1986 | 23 Aug 1980 | 05 Sep 1998 | 24 Oct 2005 | 29 Nov 1995 | 27 Dec 1990 | 09 Feb 2005 | ||||
| Decile 1 minimum temperature (°C) | 18.5 | 18.4 | 17.1 | 14.7 | 12.3 | 9.5 | 9.0 | 9.6 | 11.1 | 13.0 | 14.9 | 17.0 | 30 | 1974 2007 |
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| Decile 9 minimum temperature (°C) | 22.8 | 22.8 | 22.0 | 20.0 | 17.7 | 15.5 | 14.7 | 15.3 | 17.3 | 18.7 | 20.3 | 21.7 | 30 | 1974 2007 |
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| Mean number of days ≤ 2 °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 | 30 | 1974 2007 |
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| Mean number of days ≤ 0 °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 | 30 | 1974 2007 |
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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) | 165.4 | 189.4 | 202.9 | 188.5 | 180.9 | 165.1 | 106.6 | 91.0 | 65.9 | 108.0 | 120.2 | 146.9 | 1735.7 | 61 | 1950 2012 |
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| Highest rainfall (mm) | 464.0 | 527.6 | 652.0 | 611.2 | 547.0 | 410.9 | 357.5 | 275.6 | 281.1 | 565.6 | 346.7 | 427.2 | 2884.7 | 61 | 1950 2012 |
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| Date | 2006 | 1954 | 1974 | 1988 | 1996 | 1976 | 1999 | 1975 | 1982 | 1972 | 1984 | 2010 | 1999 | ||||
| Lowest rainfall (mm) | 18.9 | 40.1 | 30.3 | 36.6 | 19.3 | 15.4 | 1.0 | 2.6 | 0.0 | 8.3 | 7.0 | 36.2 | 1126.4 | 61 | 1950 2012 |
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| Date | 1952 | 2005 | 1998 | 1953 | 2004 | 1953 | 1974 | 2009 | 1996 | 1968 | 1953 | 1952 | 1960 | ||||
| Decile 1 rainfall (mm) | 47.8 | 85.2 | 63.8 | 84.3 | 54.6 | 58.4 | 18.5 | 11.5 | 9.0 | 28.5 | 28.7 | 49.9 | 62 | n/a n/a |
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| Decile 5 (median) rainfall (mm) | 146.3 | 171.0 | 176.9 | 162.4 | 167.2 | 141.5 | 84.0 | 72.3 | 44.4 | 84.3 | 102.4 | 106.9 | 62 | n/a n/a |
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| Decile 9 rainfall (mm) | 287.1 | 317.9 | 374.6 | 325.9 | 343.1 | 345.6 | 214.7 | 188.9 | 143.3 | 180.0 | 229.5 | 274.2 | 62 | n/a n/a |
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| Highest daily rainfall (mm) | 176.8 | 164.6 | 350.4 | 180.4 | 225.0 | 192.5 | 102.1 | 142.7 | 138.0 | 205.0 | 208.4 | 124.5 | 350.4 | 62 | 1950 2012 |
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| Date | 15 Jan 1972 | 17 Feb 1953 | 11 Mar 1974 | 22 Apr 1974 | 07 May 1996 | 30 Jun 2005 | 10 Jul 1962 | 27 Aug 1957 | 22 Sep 1982 | 04 Oct 2010 | 01 Nov 1984 | 10 Dec 1963 | 11 Mar 1974 | ||||
| Mean number of days of rain | 14.8 | 15.6 | 17.1 | 15.4 | 14.4 | 12.3 | 10.5 | 9.3 | 9.3 | 11.5 | 12.2 | 12.9 | 155.3 | 61 | 1950 2012 |
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| Mean number of days of rain ≥ 1 mm | 11.2 | 12.6 | 13.4 | 12.6 | 11.7 | 9.9 | 8.0 | 6.8 | 6.6 | 8.9 | 9.4 | 9.9 | 121.0 | 62 | 1950 2012 |
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| Mean number of days of rain ≥ 10 mm | 4.1 | 4.8 | 5.1 | 5.2 | 5.0 | 4.6 | 2.8 | 2.4 | 1.8 | 2.8 | 3.5 | 4.1 | 46.2 | 62 | 1950 2012 |
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| Mean number of days of rain ≥ 25 mm | 1.8 | 2.0 | 2.2 | 2.2 | 1.9 | 2.0 | 1.2 | 0.9 | 0.5 | 1.1 | 1.1 | 1.6 | 18.5 | 62 | 1950 2012 |
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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) | 0 | 2005 2006 |
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| Date | |||||||||||||||||
| Mean daily sunshine (hours) | |
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| Mean daily solar exposure (MJ/m2) | 22.8 | 20.2 | 17.0 | 15.1 | 12.4 | 11.0 | 12.1 | 15.2 | 18.3 | 20.8 | 22.5 | 23.0 | 17.5 | 19 | 2007 2026 |
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| Mean number of clear days | 6.1 | 5.0 | 6.3 | 7.8 | 8.0 | 9.6 | 12.6 | 13.6 | 13.5 | 9.7 | 7.8 | 7.7 | 107.7 | 48 | 1957 2007 |
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| Mean number of cloudy days | 11.8 | 10.9 | 11.2 | 9.9 | 10.6 | 9.8 | 7.6 | 6.4 | 5.9 | 8.7 | 9.3 | 10.0 | 112.1 | 48 | 1957 2007 |
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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) | 23.8 | 23.6 | 22.8 | 20.7 | 17.7 | 15.4 | 14.5 | 15.6 | 18.1 | 20.1 | 21.4 | 23.0 | 19.7 | 56 | 1949 2007 |
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| Mean 9am wet-bulb temperature (°C) | 21.4 | 21.4 | 20.5 | 18.3 | 15.1 | 12.8 | 11.8 | 12.6 | 15.0 | 17.1 | 18.7 | 20.3 | 17.1 | 51 | 1949 2007 |
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| Mean 9am dew-point temperature (°C) | 20.1 | 20.2 | 19.2 | 16.8 | 13.2 | 10.5 | 9.1 | 9.8 | 12.3 | 15.0 | 17.0 | 18.9 | 15.2 | 44 | 1957 2007 |
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| Mean 9am relative humidity (%) | 80 | 82 | 81 | 79 | 75 | 73 | 71 | 70 | 71 | 74 | 77 | 78 | 76 | 51 | 1949 2007 |
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| Mean 9am cloud cover (oktas) | 4.9 | 4.9 | 4.6 | 4.2 | 4.1 | 3.9 | 3.3 | 3.1 | 3.1 | 4.1 | 4.3 | 4.3 | 4.1 | 56 | 1949 2007 |
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| Mean 9am wind speed (km/h) | 17.5 | 18.0 | 17.1 | 16.1 | 17.5 | 18.7 | 18.0 | 16.2 | 15.9 | 17.2 | 17.3 | 17.2 | 17.2 | 46 | 1957 2007 |
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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) | 25.8 | 25.7 | 24.8 | 22.8 | 20.2 | 18.2 | 17.6 | 18.5 | 20.0 | 21.4 | 23.1 | 24.6 | 21.9 | 56 | 1949 2007 |
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| Mean 3pm wet-bulb temperature (°C) | 22.4 | 22.5 | 21.5 | 19.5 | 16.8 | 14.8 | 14.0 | 14.6 | 16.3 | 17.9 | 19.6 | 21.3 | 18.4 | 51 | 1949 2007 |
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| Mean 3pm dew-point temperature (°C) | 20.7 | 20.8 | 19.7 | 17.5 | 14.4 | 12.0 | 10.7 | 11.2 | 13.3 | 15.5 | 17.5 | 19.5 | 16.1 | 44 | 1957 2007 |
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| Mean 3pm relative humidity (%) | 74 | 75 | 74 | 73 | 70 | 68 | 66 | 64 | 67 | 71 | 72 | 74 | 71 | 51 | 1949 2007 |
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| Mean 3pm cloud cover (oktas) | 4.4 | 4.7 | 4.5 | 4.2 | 4.4 | 4.1 | 3.5 | 3.2 | 3.1 | 3.8 | 4.0 | 4.0 | 4.0 | 56 | 1949 2007 |
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| Mean 3pm wind speed (km/h) | 25.1 | 25.0 | 25.0 | 22.3 | 20.7 | 19.6 | 20.4 | 21.8 | 24.6 | 25.5 | 26.3 | 26.1 | 23.5 | 45 | 1957 2007 |
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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.