Main Lake
Site 202
Long Bay
Site 204
Kenfield Bay
Site 205
Robinsons Bay
Site 206
North Shore
Site 207
Max Min Mean Max Min Mean Max Min Mean Max Min Mean Max Min Mean
1974 21.0 17.5 19.8 19.0 16.5 17.3                  
1975 25.0 10.5 17.4 17.0 10.0 14.3                  
1976 24.5 9.5 16.6 22.0 15.0 18.9                  
1977 22.0 12.0 15.8                        
1978 24.0 10.5 16.9                        
1979 21.0 13.0 16.9                        
1980 23.5 11.5 17.0 24.5 13.0 17.3                  
1981 23.0 10.5 17.0 22.5 14.5 17.5                  
1982 24.5 13.0 18.8 21.0 15.0 17.8                  
1983 22.5 11.0 15.9 20.0 14.5 17.3                  
1984 20.0 13.5 16.9 19.0 14.0 15.9                  
1985 24.0 14.0 18.4 19.5 15.0 16.8                  
1986 24.0 13.0 17.8 20.0 15.0 18.1                  
1987 21.0 14.5 17.7 20.0 16.0 18.2                  
1988 24.5 12.0 17.3 22.5 12.0 16.8                  
1989 25.0 16.0 19.9 21.0 15.0 18.1                  
1990 25.5 15.0 20.4 21.0 15.0 17.9                  
1991 20.5 13.5 16.9 18.0 13.5 15.6 16.0 13.5 14.7 14.5 14.5 14.5      
1992 25.0 18.0 21.9 20.0 15.0 18.2                  
1993 23.0 17.5 20.8 22.0 15.0 17.6                  
1994 27.0 21.0 23.6 20.0 17.0 18.5                  
1995 26.5 15.0 21.7 20.5 15.5 17.8                  
1996 27.0 17.0 21.7 21.5 15.0 18.5                  
1997 27.0 18.5 21.9 21.0 11.5 17.1                  
1998 22.0 17.0 19.3 18.0 13.5 16.1                  
1999 22.0 14.0 18.9 19.0 13.5 17.4                  
2000 27.0 16.0 22.1 21.0 15.0 18.8                  
2001 22.5 18.0 20.5 21.5 15.0 18.6                  
2002 24.0 19.0 20.7 22.0 13.0 17.5                  
2003 25.0 17.5 21.5 20.0 15.0 18.5 17.5 13.0 15.6 21.0 15.5 18.4 19.5 16.0 17.7
2004 25.5 19.0 22.4 21.5 15.0 18.9 20.0 14.5 16.6 23.0 17.5 19.8 23.0 19.0 21.1
2005 26.5 19.5 22.8 21.0 14.5 17.7 21.0 17.0 18.7 20.5 17.5 19.2 21.5 18.5 19.5
2006 26.0 15.0 21.7 18.5 13.5 16.5 18.0 13.0 16.1 21.0 13.5 19.5 21.0 14.0 18.0
2007 22.5 14.0 20.3 22.0 16.0 18.1 16.5 13.0 15.2 21.0 16.5 19.4 20.0 15.5 17.6
2008 24.0 16.0 20.1 21.5 15.0 18.6 19.5 14.5 16.8 20.0 16.0 17.8 20.5 16.0 18.1
2009 19.0 15.0 17.1 16.0 15.0 15.3 19.0 14.0 15.8 21.0 16.0 18.3 21.0 15.0 18.8
2010 21.0 15.0 18.6 19.5 15.0 16.8 20.5 13.5 17.1 21.5 14.0 18.6 24.0 17.0 19.3
2011 20.0 16.0 18.4 19.0 14.5 16.9 18.0 15.0 16.4 20.0 16.0 18.6 21.0 18.0 19.4
2012 19.5 16.0 17.6 18.5 15.5 16.5 19.0 15.0 16.6 21.0 13.0 17.3 20.5 16.0 18.2
2013 21.5 16.0 19.6 20.0 15.0 18.0 16.0 14.0 15.1 21.0 16.5 18.1 22.0 17.7 20.0  
2014 22.0 17.0 20.1 26.5 16.0 19.1 17.5 13.5 16.0 20.0 18.0 19.0 22.0 16.5 19.7
2015 26.0 17.5 22.1 27.0 18.5 22.2 18.6 14.0 16.6 22.5 16.5 19.8 26.0 19.0 22.4