Mawson 00Z 850hPa temperature 1957 - - - -18.2 -20.9 -17.7 -22.0 -19.5 -24.1 -16.0 -14.2 -9.5 1958 -8.2 -13.0 -14.3 -19.0 -19.1 -20.7 -20.7 -22.9 -22.7 -20.1 -14.5 -9.9 1959 - - - - - - - - - - - - 1960 - - -17.4 -22.7 -21.5 -26.5 -24.1 -24.6 -23.8 -21.4 -14.2 -10.8 1961 -9.7 -11.1 -15.7 -18.6 -18.7 -20.2 -20.1 -23.6 -20.2 -19.5 -13.7 -10.7 1962 -11.9 -12.4 -17.5 -19.0 -22.7 -17.7 -25.6 -25.9 -25.2 -20.5 -14.7 -10.6 1963 -8.5 -13.2 -17.1 -18.5 -21.3 -20.5 -21.3 -21.0 -18.2 -22.1 -13.7 -10.0 1964 -10.1 -11.5 -16.9 -19.1 -21.3 -21.2 -21.6 -19.9 -26.7 -21.2 -12.7 -9.0 1965 -9.0 -11.7 -17.0 -18.5 -19.0 -24.2 -25.0 -23.2 -26.0 -21.1 -15.2 -9.4 1966 -9.6 -11.9 -14.9 -22.3 -18.2 -21.8 -21.0 -26.0 -22.6 -21.0 -14.4 -9.8 1967 -8.2 -13.6 -14.8 -18.3 -19.6 -21.8 -21.2 -25.7 -21.8 -19.3 -13.3 -9.7 1968 -9.7 -12.2 -16.9 -17.9 -19.9 -21.3 -23.6 -23.2 -23.2 -18.8 -13.4 -10.0 1969 -8.4 -11.1 -15.1 -19.1 -20.7 -21.3 -23.1 -26.0 -22.0 -19.0 -14.4 -9.1 1970 -9.3 -13.0 -13.4 -17.7 -19.1 -24.0 -21.1 -23.4 -21.2 -19.7 -13.3 -8.7 1971 -7.8 -10.6 -16.4 -19.2 -20.9 -21.3 -22.5 -21.7 -20.8 -18.8 -15.0 -8.7 1972 -7.5 -12.0 -16.3 -16.6 -22.4 -21.1 -21.3 -17.9 -20.3 -20.7 -13.9 -9.2 1973 -9.2 -12.9 -17.7 -18.3 -17.4 -18.8 -24.3 -25.1 -17.6 -18.2 -12.6 -10.4 1974 - - - - - - - - - - - - 1975 - - -16.6 -20.4 -19.1 -19.7 -23.5 -25.5 -25.8 -20.2 -12.1 -10.1 1976 -7.5 -11.4 -16.6 -19.0 -22.4 -21.2 -22.2 -26.3 -25.0 -17.7 -13.8 -7.4 1977 -6.9 -12.0 -18.0 -20.9 -19.9 -19.6 -17.9 -18.9 -23.1 -20.4 -14.9 -9.7 1978 -9.7 -12.4 -15.7 -17.3 -18.6 -19.9 -21.0 -26.5 -22.4 -20.5 -12.4 -9.2 1979 -8.1 -13.0 - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 -9.1 -10.7 -16.6 -20.8 -23.3 -20.8 -22.0 -19.6 -18.6 -16.4 -15.1 -7.4 1990 -7.5 -11.5 -14.7 -15.9 -18.1 -21.5 -17.7 -22.9 -22.8 -18.2 -12.5 -8.8 1991 -9.6 -11.0 -12.4 -16.5 -18.9 -19.5 -17.8 -20.5 -23.2 -20.1 -12.0 -7.5 1992 -8.1 -11.3 -14.7 -17.8 -17.8 -18.6 -21.7 -21.0 -25.4 -18.5 -11.9 - 1993 -7.8 -11.4 -17.4 -21.7 -24.6 -22.7 -25.0 -24.6 -24.2 -19.0 -15.7 -10.2 1994 -9.8 -12.5 -16.9 -20.3 -23.0 -18.4 -19.0 -24.0 -19.5 -18.6 -14.7 -10.4 1995 -10.4 -12.0 -16.1 -15.5 -21.0 -22.0 -15.1 -23.8 -23.2 -20.1 -14.6 -9.9 1996 -8.3 -10.7 -15.2 -20.4 -25.3 -19.0 -21.8 -19.2 -19.1 -17.8 -12.8 -9.5 1997 -9.4 -11.9 -14.1 -20.0 -22.3 -19.8 -23.2 -22.4 -25.8 -21.2 -13.9 -9.2 1998 -9.4 -11.1 -17.1 -22.5 -21.1 -19.3 -21.9 -21.3 -22.3 -21.1 -12.3 -9.6 1999 -10.0 -12.4 -15.2 -20.8 -19.8 -19.5 -23.9 -22.4 -23.2 -19.9 -14.0 -10.8 2000 -9.6 -13.0 -16.3 -16.7 -22.5 -20.2 -22.5 -21.4 -21.5 -22.7 -12.9 -10.2 2001 -8.6 -10.8 -16.4 -20.3 -19.2 -21.0 -21.1 -25.1 -24.1 -18.9 -13.0 -9.1 2002 -8.3 -12.4 -14.9 -17.8 -17.5 -20.0 -20.8 -23.4 -20.4 -18.8 -14.6 -9.7 2003 -8.8 -9.9 -15.8 -19.8 -22.1 -20.9 -22.2 -23.0 -21.7 -20.8 -13.9 -8.4 2004 -8.1 -10.7 -15.3 -19.9 -20.1 -21.6 -21.9 -20.9 -24.5 -18.4 -12.3 -8.4 2005 -8.8 -11.4 -13.9 -20.5 -21.2 -18.1 -20.9 -20.5 -21.7 -19.3 -15.2 -8.7 2006 -9.0 -13.3 -16.1 -17.2 -20.9 -20.3 -25.4 -20.4 -21.8 -19.6 -12.7 -10.7 2007 -8.6 -12.2 -16.7 -16.7 -15.3 -19.3 -20.1 -20.0 -22.9 -18.9 -12.1 -9.6 2008 -10.6 -11.7 -16.8 - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -