Campbell 00Z temperature 1961 - - - 7.7 6.9 5.7 4.9 6.2 5.8 7.7 8.1 10.6 1962 10.1 10.6 10.0 8.6 7.7 7.0 6.2 6.1 7.3 8.0 9.0 10.6 1963 10.5 10.9 9.3 8.1 6.2 5.3 5.2 5.1 6.6 7.1 6.7 8.3 1964 9.7 10.3 8.9 7.5 6.5 5.4 5.9 4.8 7.0 7.5 7.9 10.6 1965 11.9 9.8 10.6 7.8 6.4 6.0 5.4 5.6 6.9 6.7 7.8 8.5 1966 8.9 10.0 9.5 8.5 7.0 5.6 5.6 6.4 6.8 7.0 8.3 8.9 1967 11.0 9.4 10.0 7.3 6.0 6.0 5.5 6.3 6.4 8.0 7.5 9.5 1968 9.6 10.0 9.8 9.0 8.3 6.2 6.0 7.3 6.5 6.8 8.5 10.4 1969 11.5 10.1 8.7 7.4 7.0 4.7 6.3 6.6 7.6 6.0 8.6 10.6 1970 9.5 9.9 9.6 8.1 6.9 6.4 6.1 7.0 - - 8.6 8.7 1971 10.7 10.7 10.0 9.0 8.1 6.2 6.9 7.2 6.1 7.4 8.9 10.4 1972 11.0 10.6 9.9 7.5 6.1 4.3 5.3 5.5 6.7 6.9 7.6 9.2 1973 10.4 9.9 10.3 7.5 5.5 5.8 6.4 5.7 6.8 7.0 7.7 9.7 1974 9.8 10.7 9.3 8.7 6.5 5.3 4.5 5.8 7.2 7.1 8.9 11.0 1975 12.7 10.9 10.3 8.8 6.2 5.3 5.4 5.3 6.2 6.9 7.8 8.2 1976 9.7 9.1 9.5 8.7 6.8 4.5 4.9 5.7 6.9 6.7 8.5 11.1 1977 10.3 10.5 9.7 8.5 6.6 5.4 5.4 6.7 7.0 6.8 8.5 10.2 1978 10.7 11.2 9.5 9.1 7.7 5.0 6.3 7.1 7.4 8.1 8.2 9.3 1979 9.6 9.4 9.7 9.0 6.7 7.0 6.8 5.8 6.3 8.1 9.2 10.6 1980 11.2 11.1 10.6 9.2 7.4 6.0 5.5 6.4 7.2 7.6 7.6 9.2 1981 9.7 - 10.1 9.2 7.7 6.5 6.8 - - - - - 1982 - - - 9.2 7.9 6.3 5.8 6.1 7.0 7.2 - - 1983 - - - 7.8 6.1 5.6 6.1 6.6 5.8 7.8 - - 1984 - - 11.0 8.2 6.5 6.6 5.8 5.9 7.5 - - - 1985 - - 9.7 8.6 7.6 7.7 6.0 6.5 7.2 - - - 1986 - - 10.5 9.3 6.7 5.9 4.9 6.2 6.6 - - - 1987 - - 10.4 8.2 7.8 5.2 5.6 6.3 6.0 - - - 1988 - - - 7.6 5.2 5.5 5.5 5.6 6.6 7.6 - - 1989 - - - 8.2 7.3 6.3 6.0 7.2 8.1 - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - 5.9 - - 4.4 - - - - 1993 - - - 8.6 7.6 5.7 6.7 6.2 6.3 - - - 1994 - - - 8.0 6.9 5.2 5.5 6.3 5.7 - - - 1995 9.8 10.0 9.1 9.2 7.2 3.8 3.6 5.6 6.6 6.8 8.0 9.7 1996 10.9 10.5 - 8.8 6.9 5.1 5.1 5.9 7.8 8.0 8.6 10.3 1997 10.4 10.7 9.3 8.1 6.9 6.2 6.6 6.4 5.8 6.6 7.3 9.1 1998 9.8 - 9.0 8.1 6.7 6.0 5.7 5.4 6.7 6.9 8.3 10.0 1999 10.8 12.1 10.4 8.4 7.9 - 5.5 6.1 7.4 - - - 2000 - - - 7.9 - 6.4 7.0 5.5 7.0 - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - 4.2 6.3 7.1 7.4 7.7 10.6 2008 10.5 10.9 9.7 8.0 7.1 6.0 5.5 5.5 - 6.6 7.4 9.4 2009 11.2 8.8 9.8 9.2 6.7 5.1 4.4 7.2 7.3 6.7 6.8 9.3 2010 10.4 10.9 8.8 7.9 7.2 6.1 5.9 6.2 5.9 8.4 9.3 9.6 2011 10.1 10.3 9.3 8.0 7.2 6.1 4.7 5.7 6.3 8.1 8.0 10.7 2012 9.8 10.7 9.6 9.2 7.2 4.5 6.5 7.3 7.5 6.5 8.3 10.9 2013 10.9 11.0 10.2 9.0 7.1 5.6 5.9 7.1 6.8 7.6 8.1 10.2 2014 10.0 10.4 10.7 9.4 7.1 7.3 5.9 6.6 6.8 7.5 8.3 11.0 2015 11.3 10.7 10.2 8.1 7.5 4.7 6.0 6.3 5.8 7.1 8.2 9.3 2016 9.8 10.4 9.4 8.3 7.8 6.6 6.0 6.2 7.6 8.5 9.1 10.3 2017 9.5 11.2 10.0 9.0 7.5 6.7 5.5 6.6 7.8 8.0 9.2 10.9 2018 12.1 10.7 10.8 7.6 6.6 6.8 6.4 7.3 7.6 7.7 9.5 11.2 2019 10.7 - 11.6 9.7 8.0 6.7 6.3 4.9 6.3 7.6 9.5 10.8 2020 11.1 10.4 9.9 9.0 8.3 6.8 6.1 5.8 6.3 7.7 9.0 9.8 2021 11.3 11.8 10.5 8.6 7.7 6.9 6.3 6.5 6.5 8.0 - - 2022 10.5 - 10.1 8.7 7.8 6.3 5.5 6.5 6.8 7.2 9.5 11.0 2023 12.4 12.2 10.3 9.6 8.1 7.7 6.1 6.8 7.2 7.4 9.1 9.7 2024 10.4 10.5 8.5 8.5 - - - - - - - -