"Monthly Climate Statistics for 'ST HELENS AERODROME' [092120]"
"Created on [ 22 Oct 2025 15:18:21 UTC]"

"092120 ST HELENS AERODROME"
"Commenced: 2001"
"Last Record: 2025"
"Latitude:   41.34 Degrees South"
"Longitude:  148.28 Degrees East"
"Elevation:      48 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 ",22.9,22.1,21.1,18.6,16.1,14.1,13.6,14.4,16.1,17.6,19.5,21.3,18.1,24,2001,2025
"Highest temperature (°C) for years 2001 to 2025 ",41.8,35.6,34.4,28.4,24.1,19.2,19.3,20.9,25.2,29.7,33.8,36.8,41.8,24,2001,2025
"Date of Highest temperature  °C  for years 2001 to 2025 ",30 Jan  2009,09 Feb  2014,16 Mar  2008,01 Apr  2014,03 May  2018,04 Jun  2013,02 Jul  2023,29 Aug  2005,22 Sep  2021,31 Oct  2009,21 Nov  2019,30 Dec  2019,30 Jan  2009,N/A,2001,2025
"Lowest maximum temperature (°C) for years 2001 to 2025 ",15.6,13.9,11.9,10.8,9.8,9.2,9.0,8.8,10.2,11.1,11.1,13.6,8.8,24,2001,2025
"Date of Lowest maximum temperature  °C  for years 2001 to 2025 ",29 Jan  2004,19 Feb  2020,30 Mar  2023,26 Apr  2017,27 May  2016,21 Jun  2007,17 Jul  2004,03 Aug  2015,07 Sep  2019,06 Oct  2012,08 Nov  2013,13 Dec  2008,03 Aug  2015,N/A,2001,2025
"Decile 1 maximum temperature (°C) for years 2001 to 2025 ",18.6,18.5,17.6,15.4,13.3,11.6,11.3,12.0,13.3,13.9,15.4,17.5, ,20,2001,2025
"Decile 9 maximum temperature (°C) for years 2001 to 2025 ",27.6,25.9,24.7,21.8,18.9,16.5,15.7,17.1,19.5,21.1,24.0,25.1, ,20,2001,2025
"Mean number of days >= 30 °C for years 2001 to 2025 ",1.6,0.9,0.3,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.5,0.5,3.8,24,2001,2025
"Mean number of days >= 35 °C for years 2001 to 2025 ",0.4,0.1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.5,24,2001,2025
"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 ",13.5,13.4,12.0,9.7,7.3,5.6,4.9,5.4,6.7,8.2,10.3,11.8,9.1,24,2001,2025
"Lowest temperature (°C) for years 2001 to 2025 ",4.8,6.3,3.1,1.3,0.0,-1.0,-0.9,-1.0,-0.3,0.9,1.9,4.3,-1.0,24,2001,2025
"Date of Lowest temperature  °C  for years 2001 to 2025 ",18 Jan  2004,22 Feb  2011,24 Mar  2012,30 Apr  2009,22 May  2008,22 Jun  2007,03 Jul  2015,16 Aug  2004,17 Sep  2019,09 Oct  2003,15 Nov  2006,04 Dec  2008,16 Aug  2004,N/A,2001,2025
"Highest minimum temperature (°C) for years 2001 to 2025 ",21.2,21.0,20.7,17.5,15.9,15.3,12.8,12.5,14.2,17.2,18.2,20.0,21.2,24,2001,2025
"Date of Highest minimum temperature  °C  for years 2001 to 2025 ",29 Jan  2018,09 Feb  2001,13 Mar  2013,10 Apr  2022,03 May  2022,06 Jun  2016,13 Jul  2023,18 Aug  2011,21 Sep  2019,12 Oct  2006,25 Nov  2010,20 Dec  2015,29 Jan  2018,N/A,2001,2025
"Decile 1 minimum temperature (°C) for years 2001 to 2025 ",9.5,9.9,7.9,5.7,3.3,1.5,1.5,1.5,2.8,4.1,6.3,7.9, ,20,2001,2025
"Decile 9 minimum temperature (°C) for years 2001 to 2025 ",17.1,17.0,15.7,13.4,11.7,10.0,8.8,9.6,11.1,11.9,13.8,15.0, ,20,2001,2025
"Mean number of days <= 2 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.1,0.9,4.0,5.2,4.5,1.6,0.3,0.0,0.0,16.6,24,2001,2025
"Mean number of days <= 0 °C for years 2001 to 2025 ",0.0,0.0,0.0,0.0,0.1,0.3,0.5,0.5,0.1,0.0,0.0,0.0,1.5,24,2001,2025
"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 ",58.5,60.3,66.2,53.3,48.2,66.7,45.8,55.8,53.1,69.9,78.1,61.4,716.6,24,2001,2025
"Highest rainfall (mm) for years 2001 to 2025 ",238.4,200.6,173.4,229.2,179.0,180.2,82.2,184.8,122.4,234.4,291.4,169.2,1094.2,24,2001,2025
"Date of Highest rainfall for years 2001 to 2025 ",2004,2008,2011,2011,2012,2016,2007,2011,2009,2022,2013,2020,2022,N/A,2001,2025
"Lowest rainfall (mm) for years 2001 to 2025 ",0.2,9.6,13.0,16.4,6.4,2.0,9.6,2.6,5.2,9.4,13.2,3.8,363.4,24,2001,2025
"Date of Lowest rainfall for years 2001 to 2025 ",2009,2003,2002,2021,2009,2017,2023,2006,2023,2017,2014,2002,2006,N/A,2001,2025
"Decile 1 monthly rainfall (mm) for years 1800 to 3000 ",18.3,16.2,23.4,20.7,10.2,19.8,18.9,24.6,18.0,15.3,15.7,12.7, ,25,n/a,n/a
"Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",37.8,54.6,51.4,40.2,35.6,57.2,44.0,34.9,51.8,54.7,74.8,56.6, ,25,n/a,n/a
"Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",109.2,112.9,122.0,84.2,100.5,134.7,70.5,90.3,102.4,160.4,132.1,108.4, ,25,n/a,n/a
"Highest daily rainfall (mm) for years 2001 to 2025 ",124.2,84.6,112.0,36.6,104.0,83.6,41.0,49.0,79.4,67.2,63.0,99.2,124.2,24,2001,2025
"Date of Highest daily rainfall for years 2001 to 2025 ",29 Jan  2004,22 Feb  2024,24 Mar  2011,07 Apr  2023,21 May  2017,23 Jun  2023,24 Jul  2022,11 Aug  2010,07 Sep  2019,21 Oct  2005,27 Nov  2011,01 Dec  2024,29 Jan  2004,N/A,2001,2025
"Mean number of days of rain for years 2001 to 2025 ",8.9,10.1,10.2,12.4,14.0,16.8,17.6,16.1,12.7,12.6,12.2,10.9,154.5,24,2001,2025
"Mean number of days of rain >= 1 mm for years 2001 to 2025 ",5.4,6.0,6.3,6.3,5.6,8.2,7.9,8.8,7.2,8.2,7.5,6.8,84.2,24,2001,2025
"Mean number of days of rain >= 10 mm for years 2001 to 2025 ",1.3,1.5,1.9,1.2,1.1,2.1,1.2,1.3,1.4,2.2,1.8,1.9,18.9,24,2001,2025
"Mean number of days of rain >= 25 mm for years 2001 to 2025 ",0.7,0.6,0.7,0.4,0.4,0.5,0.1,0.4,0.4,0.6,0.8,0.4,6.0,24,2001,2025
"Mean daily wind run (km) for years 2001 to 2025 ",320,302,287,271,266,274,281,302,311,314,313,325,297,20,2001,2025
"Maximum wind gust speed (km/h) for years 2001 to 2025 ",89,98,87,93,89,87,100,100,96,94,98,83,100,23,2001,2025
"Date of Maximum wind gust speed for years 2001 to 2025 ",28 Jan  2022,03 Feb  2005,07 Mar  2023,15 Apr  2009,11 May  2018,30 Jun  2009,12 Jul  2016,09 Aug  2007,01 Sep  2024,03 Oct  2020,21 Nov  2019,11 Dec  2010,09 Aug  2007,N/A,2001,2025
"Mean daily sunshine (hours) for years null to null ", , , , , , , , , , , , , ,, , 
"Mean daily solar exposure (MJ/(m*m)) for years 1990 to 2025 ",22.8,19.1,15.4,10.5,7.2,5.4,6.3,9.3,13.7,18.0,21.3,23.8,14.4,35,1990,2025
"Mean number of clear days for years 2006 to 2007 ", , , , , , , , , , , , , ,0,2006,2007
"Mean number of cloudy days for years 2006 to 2007 ", , , , , , , , , , , , , ,0,2006,2007
"Mean daily evaporation (mm) for years null to null ", , , , , , , , , , , , , ,, , 
"Mean 9am temperature (°C) for years 2001 to 2010 ",17.1,16.5,14.8,13.5,10.6,8.3,7.7,9.1,11.5,12.3,14.4,16.0,12.6,10,2001,2010
"Mean 9am wet bulb temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,7,2001,2010
"Mean 9am dew point temperature (°C) for years 2001 to 2010 ",11.1,12.2,10.7,9.4,7.1,5.7,5.0,5.2,5.9,6.8,8.8,9.4,8.1,10,2001,2010
"Mean 9am relative humidity (%) for years 2001 to 2010 ",70,77,78,78,80,84,84,78,70,70,70,66,75,10,2001,2010
"Mean 9am cloud cover (okas) for years 2002 to 2010 ", , , , , , , , , , , , , ,8,2002,2010
"Mean 9am wind speed (km/h) for years 2001 to 2010 ",12.0,10.5,9.8,10.8,11.5,12.3,12.0,12.9,12.6,11.4,12.5,13.0,11.8,10,2001,2010
"Mean 3pm temperature (°C) for years 2001 to 2010 ",20.4,20.0,19.4,16.7,14.7,12.8,12.3,13.0,14.1,15.5,17.3,18.9,16.3,10,2001,2010
"Mean 3pm wet bulb temperature (°C) for years 2001 to 2010 ", , , , , , , , , , , , , ,6,2001,2010
"Mean 3pm dew point temperature (°C) for years 2001 to 2010 ",11.3,12.3,11.4,9.4,7.7,6.8,6.0,5.7,6.0,7.1,9.3,9.8,8.6,10,2001,2010
"Mean 3pm relative humidity (%) for years 2001 to 2010 ",58,63,61,64,64,68,67,62,60,60,62,58,62,10,2001,2010
"Mean 3pm cloud cover (oktas) for years 2002 to 2007 ", , , , , , , , , , , , , ,0,2002,2007
"Mean 3pm wind speed (km/h) for years 2001 to 2010 ",19.6,18.5,17.2,15.5,13.2,12.9,13.7,16.3,17.7,18.8,19.1,19.6,16.8,10,2001,2010
