Mawson 00Z 700hPa temperature 1957 - - - -21.2 -23.1 -22.5 -23.6 -22.7 -26.8 -21.1 -18.9 -17.4 1958 -16.8 -17.5 -18.9 -22.0 -22.3 -23.0 -25.6 -27.2 -26.9 -24.3 -20.6 -20.4 1959 - - - - - - - - - - - - 1960 - - -20.7 -22.7 -24.1 -26.6 -27.0 -26.5 -26.1 -25.2 -22.9 -19.8 1961 -19.1 -17.9 -23.0 -21.9 -23.9 -22.8 -26.5 -26.9 -23.4 -23.1 -20.2 -20.7 1962 -20.8 -19.6 -22.2 -23.2 -24.2 -21.1 -27.0 -28.6 -27.3 -26.1 -23.4 -19.4 1963 -17.1 -18.7 -22.3 -22.5 -23.8 -24.2 -28.0 -24.8 -22.6 -26.1 -22.6 -17.5 1964 -16.2 -18.0 -20.9 -22.9 -24.7 -26.1 -23.1 -24.8 -28.1 -25.7 -20.7 -18.1 1965 -17.7 -18.4 -21.7 -22.3 -19.9 -25.5 -27.8 -27.2 -28.0 -25.6 -23.4 -17.5 1966 -18.5 -18.8 -19.8 -24.6 -22.9 -26.1 -25.6 -27.6 -25.4 -26.4 -20.7 -18.3 1967 -17.1 -21.4 -21.3 -23.5 -22.6 -24.4 -25.0 -26.3 -26.0 -23.3 -20.3 -19.6 1968 -18.3 -18.8 -20.9 -21.8 -22.0 -24.5 -27.1 -25.7 -28.1 -25.2 -22.1 -18.6 1969 -15.4 -16.6 -20.9 -21.5 -23.1 -23.7 -25.8 -29.5 -26.0 -24.6 -21.2 -17.4 1970 -18.2 -19.9 -16.7 -21.9 -22.9 -25.5 -24.8 -25.8 -27.8 -25.2 -19.6 -18.4 1971 -14.8 -16.4 -20.1 -23.4 -24.9 -26.4 -27.6 -26.5 -25.8 -24.3 -22.4 -17.0 1972 -15.4 -18.9 -22.0 -21.8 -24.0 -25.0 -24.9 -22.2 -22.8 -23.4 -22.7 -17.2 1973 -18.3 -19.3 -20.8 -22.0 -22.0 -23.6 -26.8 -28.7 -23.2 -24.8 -21.6 -19.9 1974 - - - - - - - - - - - - 1975 - - -20.5 -24.0 -24.4 -24.3 -26.1 -27.7 -27.5 -25.0 -21.5 -19.0 1976 -17.0 -19.3 -20.8 -23.6 -25.3 -25.9 -27.9 -27.0 -27.6 -25.3 -21.2 -15.9 1977 -15.8 -19.2 -21.9 -23.9 -24.1 -24.1 -23.6 -21.5 -26.0 -24.5 -21.2 -19.6 1978 -19.4 -18.2 -21.4 -21.9 -22.8 -25.1 -24.8 -27.5 -24.3 -23.6 -20.5 -19.5 1979 -16.4 -18.5 - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 -17.8 -17.7 -20.6 -22.6 -24.3 -24.3 -25.2 -24.6 -23.3 -23.4 -21.0 -17.1 1990 -16.0 -17.6 -20.2 -20.7 -21.3 -27.0 -19.9 -26.9 -28.7 -22.4 -19.9 -18.6 1991 -19.0 -17.1 -17.7 -21.9 -23.2 -22.7 -23.3 -24.7 -25.2 -24.5 -21.1 -15.1 1992 -17.1 -19.0 -19.8 -20.3 -20.9 -21.2 -23.8 -25.2 -27.9 -24.5 -21.0 - 1993 -15.7 -17.9 -20.7 -23.2 -26.2 -25.3 -25.9 -25.3 -25.8 -24.0 -22.8 -18.1 1994 -19.3 -19.9 -21.4 -22.4 -25.3 -21.6 -24.2 -25.5 -24.2 -23.8 -21.3 -19.3 1995 -17.2 -16.8 -20.8 -20.3 -23.0 -26.2 -23.4 -26.7 -27.6 -24.6 -21.3 -19.2 1996 -17.1 -17.3 -20.7 -22.5 -25.7 -22.7 -24.3 -24.5 -22.4 -23.6 -19.9 -18.0 1997 -18.2 -18.8 -19.9 -22.5 -24.1 -23.6 -27.0 -25.3 -29.3 -25.3 -21.2 -17.9 1998 -18.5 -18.0 -19.2 -23.9 -23.6 -23.9 -24.0 -26.5 -24.8 -25.0 -21.0 -19.2 1999 -17.4 -20.0 -21.6 -24.8 -23.0 -23.2 -27.5 -26.2 -25.9 -25.7 -22.4 -20.4 2000 -19.0 -19.5 -22.6 -21.5 -23.8 -22.2 -25.8 -25.6 -23.9 -25.2 -20.4 -18.4 2001 -17.4 -19.5 -20.3 -23.8 -22.7 -25.6 -24.4 -27.5 -26.9 -23.9 -22.4 -18.7 2002 -17.1 -18.2 -20.3 -21.0 -21.4 -23.7 -24.7 -25.8 -24.7 -21.7 -21.5 -18.8 2003 -16.3 -18.3 -20.4 -22.6 -24.5 -24.8 -24.3 -24.8 -26.1 -25.9 -20.6 -16.5 2004 -17.1 -16.9 -19.9 -21.9 -24.0 -24.9 -26.3 -27.4 -27.1 -23.2 -21.6 -17.8 2005 -18.5 -16.7 -19.2 -23.4 -23.5 -21.7 -23.7 -24.5 -25.8 -23.7 -23.0 -17.0 2006 -17.2 -21.0 -20.9 -22.4 -22.8 -25.0 -29.1 -24.2 -26.2 -23.8 -21.9 -20.3 2007 -17.4 -19.7 -21.9 -20.3 -21.6 -22.5 -24.7 -25.1 -26.4 -23.6 -20.4 -18.4 2008 -18.9 -19.6 -20.1 - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -