"Monthly Climate Statistics for 'SWAN ISLAND' [092123]" "Created on [ 22 Oct 2025 15:20:57 UTC]" "092123 SWAN ISLAND" "Commenced: 2001" "Last Record: 2025" "Latitude: 40.73 Degrees South" "Longitude: 148.13 Degrees East" "Elevation: 15 m" "State: TAS" "Statistic Element","January","February","March","April","May","June","July","August","September","October","November","December","Annual","Number of Years","Start Year","End Year" "Mean maximum temperature (°C) for years 2001 to 2025 ",21.2,21.3,20.6,18.3,15.9,14.1,13.3,13.6,14.7,16.1,17.9,19.6,17.2,24,2001,2025 "Highest temperature (°C) for years 2001 to 2025 ",31.9,30.3,29.7,24.5,21.6,18.0,17.6,18.1,21.4,23.0,29.7,28.4,31.9,24,2001,2025 "Date of Highest temperature °C for years 2001 to 2025 ",29 Jan 2009,17 Feb 2023,14 Mar 2008,01 Apr 2014,02 May 2019,02 Jun 2011,18 Jul 2013,25 Aug 2004,28 Sep 2014,20 Oct 2011,21 Nov 2019,31 Dec 2009,29 Jan 2009,N/A,2001,2025 "Lowest maximum temperature (°C) for years 2001 to 2025 ",16.2,14.9,14.2,11.5,10.4,10.1,9.3,9.2,10.5,11.2,12.5,13.1,9.2,24,2001,2025 "Date of Lowest maximum temperature °C for years 2001 to 2025 ",09 Jan 2015,08 Feb 2008,23 Mar 2012,26 Apr 2017,27 May 2016,21 Jun 2007,23 Jul 2016,08 Aug 2019,05 Sep 2017,06 Oct 2009,07 Nov 2004,03 Dec 2001,08 Aug 2019,N/A,2001,2025 "Decile 1 maximum temperature (°C) for years 2001 to 2025 ",18.4,18.8,18.1,16.0,13.8,12.2,11.8,12.0,13.0,13.9,15.4,16.9, ,23,2001,2025 "Decile 9 maximum temperature (°C) for years 2001 to 2025 ",23.9,23.8,23.3,20.7,18.0,15.9,14.6,15.1,16.7,18.2,20.5,22.2, ,23,2001,2025 "Mean number of days >= 30 °C for years 2001 to 2025 ",0.1,0.1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.2,24,2001,2025 "Mean number of days >= 35 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,24,2001,2025 "Mean number of days >= 40 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,24,2001,2025 "Mean minimum temperature (°C) for years 2001 to 2025 ",15.2,15.5,14.6,12.9,10.8,9.2,8.5,8.4,9.2,10.4,12.0,13.5,11.7,23,2001,2025 "Lowest temperature (°C) for years 2001 to 2025 ",8.6,8.7,6.8,6.1,4.3,2.8,3.1,2.2,3.1,3.8,4.6,6.7,2.2,24,2001,2025 "Date of Lowest temperature °C for years 2001 to 2025 ",02 Jan 2009,29 Feb 2008,24 Mar 2012,21 Apr 2021,27 May 2004,27 Jun 2010,18 Jul 2004,21 Aug 2013,12 Sep 2004,28 Oct 2006,16 Nov 2006,05 Dec 2012,21 Aug 2013,N/A,2001,2025 "Highest minimum temperature (°C) for years 2001 to 2025 ",20.6,20.1,20.3,18.8,17.6,15.2,13.4,12.8,13.7,15.3,16.9,18.8,20.6,24,2001,2025 "Date of Highest minimum temperature °C for years 2001 to 2025 ",28 Jan 2018,24 Feb 2016,16 Mar 2017,02 Apr 2014,06 May 2025,02 Jun 2014,19 Jul 2013,30 Aug 2005,16 Sep 2002,16 Oct 2018,26 Nov 2017,20 Dec 2015,28 Jan 2018,N/A,2001,2025 "Decile 1 minimum temperature (°C) for years 2001 to 2025 ",12.2,12.7,11.5,9.5,7.7,6.2,5.8,5.5,6.4,7.4,9.1,10.3, ,23,2001,2025 "Decile 9 minimum temperature (°C) for years 2001 to 2025 ",17.6,18.1,17.6,15.8,14.1,12.3,11.2,11.2,11.6,12.7,14.4,15.9, ,23,2001,2025 "Mean number of days <= 2 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,24,2001,2025 "Mean number of days <= 0 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,24,2001,2025 "Mean daily ground minimum temperature °C for years null to null ", , , , , , , , , , , , , ,, , "Lowest ground temperature °C for years null to null ", , , , , , , , , , , , , ,, , "Date of Lowest ground temperature °C for years null to null ", , , , , , , , , , , , , ,N/A, , "Mean number of days ground min. temp. <= -1 °C for years null to null ", , , , , , , , , , , , , ,, , "Mean rainfall (mm) for years 2001 to 2025 ",42.0,38.9,53.2,45.2,52.8,57.4,62.6,55.6,49.9,48.6,56.6,44.8,606.9,23,2001,2025 "Highest rainfall (mm) for years 2001 to 2025 ",182.0,130.4,183.4,100.4,176.8,135.6,109.2,147.6,100.0,110.2,145.2,118.2,966.8,23,2001,2025 "Date of Highest rainfall for years 2001 to 2025 ",2004,2008,2011,2003,2007,2016,2014,2011,2005,2021,2011,2004,2016,N/A,2001,2025 "Lowest rainfall (mm) for years 2001 to 2025 ",0.8,5.0,10.0,13.6,13.0,16.2,0.0,0.0,0.0,5.4,5.8,4.4,415.8,23,2001,2025 "Date of Lowest rainfall for years 2001 to 2025 ",2019,2003,2024,2018,2009,2006,2020,2020,2020,2015,2017,2005,2019,N/A,2001,2025 "Decile 1 monthly rainfall (mm) for years 1800 to 3000 ",10.9,9.7,17.1,19.9,15.2,23.2,23.8,29.2,17.0,20.6,20.4,7.2, ,24,n/a,n/a "Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",30.4,34.6,36.8,39.6,39.3,53.0,61.8,46.0,47.2,51.6,48.4,47.5, ,24,n/a,n/a "Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",67.0,74.0,107.1,78.0,98.3,92.7,97.0,95.2,90.8,82.3,108.3,79.4, ,24,n/a,n/a "Highest daily rainfall (mm) for years 2001 to 2025 ",47.0,73.2,121.2,53.6,51.2,40.2,56.2,41.0,29.8,34.8,80.4,62.4,121.2,23,2001,2025 "Date of Highest daily rainfall for years 2001 to 2025 ",30 Jan 2018,19 Feb 2020,24 Mar 2011,28 Apr 2003,19 May 2007,06 Jun 2016,06 Jul 2015,09 Aug 2011,07 Sep 2019,07 Oct 2010,27 Nov 2011,11 Dec 2004,24 Mar 2011,N/A,2001,2025 "Mean number of days of rain for years 2001 to 2025 ",7.7,8.0,9.2,12.6,14.4,16.5,17.3,16.4,13.3,11.8,11.3,9.4,147.9,23,2001,2025 "Mean number of days of rain >= 1 mm for years 2001 to 2025 ",4.5,4.5,5.1,7.0,8.5,8.8,10.0,8.4,8.1,7.0,7.2,5.3,84.4,23,2001,2025 "Mean number of days of rain >= 10 mm for years 2001 to 2025 ",1.0,1.0,1.5,1.3,1.5,1.6,1.6,1.5,1.4,1.2,1.8,1.3,16.7,23,2001,2025 "Mean number of days of rain >= 25 mm for years 2001 to 2025 ",0.3,0.3,0.4,0.1,0.4,0.2,0.2,0.1,0.3,0.1,0.3,0.4,3.1,23,2001,2025 "Mean daily wind run (km) for years 2001 to 2025 ",583,555,532,531,542,561,566,583,614,590,552,602,567,21,2001,2025 "Maximum wind gust speed (km/h) for years 2001 to 2025 ",93,107,106,120,118,144,118,120,124,109,104,113,144,23,2001,2025 "Date of Maximum wind gust speed for years 2001 to 2025 ",14 Jan 2017,14 Feb 2018,22 Mar 2013,05 Apr 2020,20 May 2004,18 Jun 2010,31 Jul 2014,12 Aug 2017,02 Sep 2024,02 Oct 2013,08 Nov 2008,13 Dec 2008,18 Jun 2010,N/A,2001,2025 "Mean daily sunshine (hours) for years null to null ", , , , , , , , , , , , , ,, , "Mean daily solar exposure (MJ/(m*m)) for years 2007 to 2025 ",24.6,20.5,15.5,10.6,7.4,5.9,6.7,9.6,13.9,18.8,22.6,25.7,15.2,19,2007,2025 "Mean number of clear days for years 2001 to 2004 ", , , , , , , , , , , , , ,3,2001,2004 "Mean number of cloudy days for years 2001 to 2004 ", , , , , , , , , , , , , ,3,2001,2004 "Mean daily evaporation (mm) for years null to null ", , , , , , , , , , , , , ,, , "Mean 9am temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 9am wet bulb temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,8,2001,2010 "Mean 9am dew point temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 9am relative humidity (%) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 9am cloud cover (okas) for years 2001 to 2004 ", , , , , , , , , , , , , ,3,2001,2004 "Mean 9am wind speed (km/h) for years 2001 to 2010 ", , , , , , , , , , , , , ,8,2001,2010 "Mean 3pm temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 3pm wet bulb temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,8,2001,2010 "Mean 3pm dew point temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 3pm relative humidity (%) for years 2001 to 2010 ", , , , , , , , , , , , , ,9,2001,2010 "Mean 3pm cloud cover (oktas) for years 2001 to 2009 ", , , , , , , , , , , , , ,3,2001,2009 "Mean 3pm wind speed (km/h) for years 2001 to 2010 ", , , , , , , , , , , , , ,8,2001,2010