"Monthly Climate Statistics for 'RIVERVIEW OBSERVATORY' [066131]"
"Created on [ 15 Oct 2025 15:11:15 UTC]"

"066131 RIVERVIEW OBSERVATORY"
"Commenced: 1905"
"Last Record: 2015"
"Latitude:   33.83 Degrees South"
"Longitude:  151.16 Degrees East"
"Elevation:      40 m"
"State: NSW"

"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 1909 to 2014 ",26.5,26.4,25.2,22.8,19.7,17.2,16.8,18.4,20.7,22.7,24.2,25.7,22.2,76,1909,2014
"Highest temperature (°C) for years 1962 to 2015 ",45.4,41.3,40.2,32.7,28.5,24.9,24.5,30.2,34.8,38.0,40.5,43.5,45.4,30,1962,2015
"Date of Highest temperature  °C  for years 1962 to 2015 ",18 Jan  2013,05 Feb  2011,06 Mar  1965,05 Apr  2006,01 May  1994,14 Jun  2004,04 Jul  2004,26 Aug  1995,26 Sep  1965,13 Oct  2004,22 Nov  2009,21 Dec  1994,18 Jan  2013,N/A,1962,2015
"Lowest maximum temperature (°C) for years 1962 to 2015 ",18.1,19.0,18.2,14.2,11.9,10.8,10.3,10.7,13.1,13.4,15.0,15.6,10.3,30,1962,2015
"Date of Lowest maximum temperature  °C  for years 1962 to 2015 ",13 Jan  1972,10 Feb  2009,31 Mar  1970,13 Apr  1965,28 May  1999,21 Jun  1995,22 Jul  1968,19 Aug  1996,01 Sep  1970,03 Oct  1967,05 Nov  1996,10 Dec  2002,22 Jul  1968,N/A,1962,2015
"Decile 1 maximum temperature (°C) for years 1962 to 2015 ",22.3,22.5,21.5,19.3,17.0,15.2,14.6,15.4,16.8,18.0,19.1,21.0, ,30,1962,2015
"Decile 9 maximum temperature (°C) for years 1962 to 2015 ",32.4,31.3,30.0,27.3,23.6,20.7,20.2,23.0,26.7,29.6,30.6,31.8, ,30,1962,2015
"Mean number of days >= 30 °C for years 1962 to 2015 ",6.0,4.2,3.0,0.6,0.0,0.0,0.0,0.0,0.9,2.8,3.3,4.8,25.6,30,1962,2015
"Mean number of days >= 35 °C for years 1962 to 2015 ",1.4,0.7,0.2,0.0,0.0,0.0,0.0,0.0,0.0,0.3,1.0,0.7,4.3,30,1962,2015
"Mean number of days >= 40 °C for years 1962 to 2015 ",0.3,0.1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.1,0.1,0.6,30,1962,2015
"Mean minimum temperature (°C) for years 1909 to 2014 ",17.6,17.7,16.1,12.9,9.9,7.7,6.4,7.2,9.4,12.0,14.3,16.3,12.3,76,1909,2014
"Lowest temperature (°C) for years 1962 to 2015 ",11.3,11.1,7.4,5.7,3.4,1.2,-1.7,1.4,1.7,5.6,6.9,8.3,-1.7,30,1962,2015
"Date of Lowest temperature  °C  for years 1962 to 2015 ",09 Jan  1965,22 Feb  1972,24 Mar  1967,29 Apr  2008,22 May  1965,30 Jun  2010,26 Jul  1968,12 Aug  1964,01 Sep  1967,08 Oct  1998,13 Nov  1965,02 Dec  2002,26 Jul  1968,N/A,1962,2015
"Highest minimum temperature (°C) for years 1962 to 2015 ",25.3,26.2,22.4,21.1,18.5,16.2,14.9,19.2,21.2,22.8,24.7,25.7,26.2,30,1962,2015
"Date of Highest minimum temperature  °C  for years 1962 to 2015 ",08 Jan  1994,06 Feb  2011,20 Mar  1964,12 Apr  1969,01 May  2001,10 Jun  1995,21 Jul  1965,24 Aug  2009,24 Sep  2003,14 Oct  2006,14 Nov  1996,22 Dec  1997,06 Feb  2011,N/A,1962,2015
"Decile 1 minimum temperature (°C) for years 1962 to 2015 ",15.0,15.4,13.4,10.3,7.0,5.0,3.6,4.7,6.6,8.7,11.0,13.1, ,30,1962,2015
"Decile 9 minimum temperature (°C) for years 1962 to 2015 ",21.2,21.3,19.6,16.6,14.0,12.0,10.4,11.6,14.2,16.6,18.5,19.9, ,30,1962,2015
"Mean number of days <= 2 °C for years 1962 to 2015 ",0.0,0.0,0.0,0.0,0.0,0.1,0.5,0.0,0.0,0.0,0.0,0.0,0.6,30,1962,2015
"Mean number of days <= 0 °C for years 1962 to 2015 ",0.0,0.0,0.0,0.0,0.0,0.0,0.1,0.0,0.0,0.0,0.0,0.0,0.1,30,1962,2015
"Mean daily ground minimum temperature °C for years 1909 to 2014 ",14.9,15.2,13.5,10.1,6.7,4.7,3.1,3.7,5.9,8.7,11.3,13.6,9.3,73,1909,2014
"Lowest ground temperature °C for years 1962 to 2015 ",4.9,6.6,3.0,0.4,-3.5,-5.2,-5.0,-3.5,-1.6,0.4,2.0,4.5,-5.2,27,1962,2015
"Date of Lowest ground temperature °C for years 1962 to 2015 ",12 Jan  2005,24 Feb  1964,02 Mar  2003,30 Apr  2005,01 May  2005,30 Jun  1995,26 Jul  1968,13 Aug  2002,30 Sep  2003,03 Oct  2004,06 Nov  1993,08 Dec  2002,30 Jun  1995,N/A,1962,2015
"Mean number of days ground min. temp. <= -1 °C for years 1962 to 2015 ",0.0,0.0,0.0,0.0,0.2,0.4,1.1,0.7,0.1,0.0,0.0,0.0,2.5,27,1962,2015
"Mean rainfall (mm) for years 1905 to 2015 ",107.3,110.7,126.7,109.2,104.7,118.5,84.1,71.2,61.6,75.9,79.8,84.0,1134.4,95,1905,2015
"Highest rainfall (mm) for years 1905 to 2015 ",406.1,535.8,538.9,446.7,412.6,622.1,300.6,387.7,212.0,292.8,563.8,388.8,2116.5,95,1905,2015
"Date of Highest rainfall for years 1905 to 2015 ",1911,1956,1942,1927,1925,1950,1931,1998,2006,1916,1961,1920,1950,N/A,1905,2015
"Lowest rainfall (mm) for years 1905 to 2015 ",9.8,6.6,11.7,5.4,4.7,3.9,2.1,0.2,2.3,2.1,1.6,8.6,614.5,95,1905,2015
"Date of Lowest rainfall for years 1905 to 2015 ",2003,1939,1965,2006,1920,1962,1970,1995,1907,1971,1915,1938,1957,N/A,1905,2015
"Decile 1 monthly rainfall (mm) for years 1800 to 3000 ",25.3,18.7,36.9,21.5,19.7,17.3,8.3,9.0,13.5,19.3,12.7,25.6, ,96,n/a,n/a
"Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",82.7,85.9,101.2,89.2,72.0,87.5,58.9,44.6,51.5,55.0,68.0,64.8, ,96,n/a,n/a
"Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",209.0,238.9,263.2,225.5,249.3,265.3,201.9,173.5,126.9,173.6,148.7,174.0, ,96,n/a,n/a
"Highest daily rainfall (mm) for years 1905 to 2015 ",210.6,195.6,289.8,141.6,161.5,128.0,192.8,134.9,114.8,111.3,196.6,105.9,289.8,94,1905,2015
"Date of Highest daily rainfall for years 1905 to 2015 ",13 Jan  1911,10 Feb  1956,28 Mar  1942,11 Apr  1998,01 May  1955,15 Jun  1952,07 Jul  1931,30 Aug  1963,02 Sep  1970,22 Oct  1960,19 Nov  1961,13 Dec  1910,28 Mar  1942,N/A,1905,2015
"Mean number of days of rain for years 1905 to 2015 ",12.3,12.6,13.7,12.2,11.0,11.8,9.7,9.8,10.2,11.2,11.9,11.6,138.0,95,1905,2015
"Mean number of days of rain >= 1 mm for years 1905 to 2015 ",8.9,9.0,9.9,8.7,8.1,8.7,6.7,6.8,7.0,7.9,8.3,8.0,98.0,94,1905,2015
"Mean number of days of rain >= 10 mm for years 1905 to 2015 ",2.8,2.9,3.2,2.9,2.6,3.1,2.1,1.9,1.6,2.0,2.4,2.4,29.9,94,1905,2015
"Mean number of days of rain >= 25 mm for years 1905 to 2015 ",1.2,1.3,1.3,1.2,1.1,1.3,0.8,0.6,0.5,0.7,0.6,0.8,11.4,94,1905,2015
"Mean daily wind run (km) for years null to null ", , , , , , , , , , , , , ,, , 
"Maximum wind gust speed (km/h) for years 1994 to 1997 ", , , , , , , , , , , , , ,3,1994,1997
"Date of Maximum wind gust speed for years 1994 to 1997 ", , , , , , , , , , , , , ,N/A,1994,1997
"Mean daily sunshine (hours) for years null to null ", , , , , , , , , , , , , ,, , 
"Mean daily solar exposure (MJ/(m*m)) for years 1990 to 2025 ",22.3,19.7,16.5,13.5,10.4,8.7,9.9,13.1,16.8,19.7,21.4,23.0,16.2,35,1990,2025
"Mean number of clear days for years 1963 to 2003 ",4.5,3.6,5.2,6.6,5.9,5.6,8.5,8.6,7.5,5.7,3.6,4.2,69.5,19,1963,2003
"Mean number of cloudy days for years 1963 to 2003 ",11.3,9.5,10.5,6.7,8.8,8.1,5.7,6.1,6.7,9.0,10.3,10.0,102.7,19,1963,2003
"Mean daily evaporation (mm) for years 1993 to 2015 ",6.0,5.1,3.9,3.0,2.2,1.9,2.0,2.8,3.8,4.7,5.3,5.9,3.9,21,1993,2015
"Mean 9am temperature (°C) for years 1909 to 2010 ",22.8,22.5,20.7,17.5,14.0,11.6,10.6,12.2,15.5,18.6,20.5,22.1,17.4,74,1909,2010
"Mean 9am wet bulb temperature (°C) for years 1909 to 2010 ",19.0,19.3,18.0,15.1,12.1,9.7,8.6,9.7,12.2,14.5,16.3,18.0,14.4,72,1909,2010
"Mean 9am dew point temperature (°C) for years 1962 to 2010 ",17.1,17.8,16.2,13.4,10.4,8.1,6.4,7.2,9.2,11.5,13.7,15.3,12.2,23,1962,2010
"Mean 9am relative humidity (%) for years 1909 to 2010 ",69,73,76,77,79,78,76,71,66,63,64,66,71,71,1909,2010
"Mean 9am cloud cover (okas) for years 1909 to 2010 ",5.0,5.0,4.6,4.1,4.0,3.9,3.4,3.1,3.6,4.3,4.8,4.9,4.2,74,1909,2010
"Mean 9am wind speed (km/h) for years 1962 to 2010 ",8.6,7.7,6.8,7.0,7.3,7.8,7.9,8.7,9.4,9.1,9.7,8.6,8.2,24,1962,2010
"Mean 3pm temperature (°C) for years 1909 to 2008 ",24.4,24.6,23.5,21.0,18.4,16.0,15.6,16.8,18.8,20.6,21.9,23.5,20.4,67,1909,2008
"Mean 3pm wet bulb temperature (°C) for years 1909 to 2008 ",19.5,19.9,18.9,16.5,14.3,12.2,11.2,11.8,13.6,15.3,16.9,18.5,15.7,65,1909,2008
"Mean 3pm dew point temperature (°C) for years 1962 to 2008 ",16.7,17.6,15.8,13.0,10.9,8.6,6.1,6.6,8.5,11.3,13.3,14.7,11.9,17,1962,2008
"Mean 3pm relative humidity (%) for years 1909 to 2008 ",62,64,63,61,62,62,57,52,53,55,58,60,59,65,1909,2008
"Mean 3pm cloud cover (oktas) for years 1912 to 2008 ",4.5,4.5,4.2,4.1,4.3,4.3,3.9,3.6,3.6,4.0,4.6,4.4,4.2,64,1912,2008
"Mean 3pm wind speed (km/h) for years 1962 to 2008 ",18.7,16.4,15.2,13.9,11.6,11.7,12.7,13.7,16.5,17.0,18.7,18.2,15.4,13,1962,2008