Mcmurdo 00Z 850hPa temperature 1956 - - - - - - - -30.2 -22.6 -24.5 - - 1957 - - - -24.2 -23.6 -25.0 -27.8 -25.5 -22.7 -24.0 -15.4 -10.9 1958 - - -21.0 -22.5 -26.0 -28.5 -31.0 -27.0 -27.9 -22.6 -16.1 -13.6 1959 -10.3 -13.9 - - -28.2 -25.9 -25.4 -29.8 -27.5 -27.3 -18.6 -11.9 1960 -12.5 -15.3 - - - - - - - - - - 1961 -10.7 -14.1 -22.7 -20.3 -22.4 -26.0 -27.7 -29.3 -24.0 -19.9 -15.8 - 1962 -12.2 -15.3 -24.4 -24.0 -25.6 -24.5 -29.1 -28.3 -25.3 -24.0 -15.9 -13.3 1963 -11.2 -15.4 -22.7 -24.7 -26.8 -25.7 -26.8 -25.6 -25.6 -24.0 -14.1 -11.8 1964 -13.4 -13.8 -21.5 -22.8 -28.9 -22.8 -23.4 -28.5 -25.6 -22.5 -15.4 -12.6 1965 -10.8 -15.0 -21.9 -23.2 -29.3 -28.7 -22.8 -28.8 -25.6 -22.3 -16.8 -10.8 1966 -12.5 -14.1 -16.9 -21.8 -28.3 -23.0 -25.2 -29.8 -27.9 -23.2 -15.7 -11.8 1967 -9.3 -12.7 -21.3 -27.3 -25.3 -23.6 -26.3 -26.3 -24.6 -24.0 -17.0 -10.7 1968 -11.5 -14.0 -19.3 -22.6 -24.0 -24.3 -29.1 -29.4 -29.2 -22.3 -17.3 -13.4 1969 -11.5 -17.2 -19.9 -23.0 -25.9 -25.7 -31.2 -26.3 -23.8 -22.2 -17.4 -11.2 1970 -9.2 -14.4 -17.0 -21.9 -26.6 -21.8 -24.9 -29.7 -25.7 -19.2 -18.1 -10.0 1971 -9.3 -14.0 - -23.8 -21.8 -22.4 -27.2 -26.0 -24.7 -22.0 -15.4 -12.0 1972 -10.5 -12.9 -19.4 -23.9 -21.5 -21.3 -25.4 -24.5 -23.2 -21.9 -16.9 -10.8 1973 -10.5 -16.1 -22.4 -21.6 -22.5 -24.0 -23.9 -23.7 -24.1 -19.2 -14.8 -12.4 1974 -9.9 -14.4 -21.0 -23.0 -22.9 -21.3 -27.7 -22.5 -28.6 -19.7 -14.8 -10.0 1975 -10.9 -14.5 -19.7 -23.3 -21.8 -24.7 -24.1 -28.5 -25.0 -22.0 -15.6 -12.3 1976 -10.5 -14.1 -20.8 -25.6 -26.2 -27.2 -26.0 -25.9 -26.9 -28.4 -17.1 -10.2 1977 -8.7 -16.1 -22.3 -23.4 -22.8 -24.7 -25.1 -25.0 -31.1 -22.3 -18.4 -12.5 1978 -12.5 -13.9 -19.9 -22.2 -23.8 -25.2 -25.2 -34.0 -25.6 -23.4 -16.8 -12.0 1979 -11.4 -15.2 -20.9 -20.9 -25.5 -23.2 -30.2 -29.1 -25.4 -26.8 -16.8 -11.4 1980 -10.4 -14.5 -21.5 -23.2 -22.9 -25.0 -22.7 -25.3 -24.5 -24.0 -16.0 -11.4 1981 -11.0 -14.3 -18.6 -25.6 -26.0 -23.6 -23.6 -25.6 -25.0 - - - 1982 - - - -25.6 -25.2 -27.5 -28.0 -25.4 - -21.0 -17.5 -10.5 1983 - - - - -19.3 -28.4 -26.3 - - - -16.2 -10.3 1984 -9.9 -14.3 -17.4 - -22.0 -26.2 -27.8 -25.4 -26.6 -21.0 -14.8 -9.4 1985 -9.2 -15.9 -19.4 -24.3 -24.3 -25.8 -29.9 -23.4 -25.8 -22.5 -16.2 -11.7 1986 - -13.7 - - - - - - - -20.1 -16.6 -9.6 1987 -8.8 -15.6 -22.7 -23.0 -22.7 - -27.0 -28.2 -23.4 -20.8 -15.6 -10.8 1988 -11.0 -14.8 -22.3 -22.1 -24.1 -24.4 -24.4 -22.7 -21.9 -17.8 -15.7 -10.6 1989 -10.5 -15.0 -18.8 -20.9 -24.6 -27.9 -24.0 -27.1 -25.3 -20.2 -16.3 -9.4 1990 -10.7 -14.9 -21.7 -23.3 -25.4 -25.0 - -27.6 -26.0 -18.9 - -6.6 1991 -8.6 -11.8 -21.1 -20.1 -25.5 -21.7 -22.8 -21.9 -21.4 -21.6 -14.9 -10.1 1992 -10.8 -15.2 -20.3 -23.6 -23.0 -24.4 -24.3 -23.5 -25.2 -22.0 -13.8 -11.6 1993 -11.1 -14.5 -19.3 -22.7 -26.6 -26.7 -24.2 -29.7 -24.5 -24.2 -15.0 -12.7 1994 -10.2 -15.2 - - - -24.3 -24.2 -28.6 - -19.7 -16.0 -12.4 1995 -11.4 -14.0 - -25.8 -26.4 -24.0 -25.9 -23.2 - -22.3 -14.8 -9.9 1996 -11.5 -13.3 -19.6 -22.0 -26.2 -27.8 -26.8 -23.3 -25.0 -23.1 -15.2 -10.3 1997 -11.2 -16.9 -23.8 -25.0 - - - - -25.1 -21.0 -11.8 -12.0 1998 -11.8 -12.9 -19.3 -25.2 -22.8 -18.8 -23.0 -22.1 -26.3 -20.8 -16.2 -12.2 1999 -10.9 -15.6 -21.4 -26.9 -26.4 -22.9 -23.5 -26.1 -22.9 -19.4 -14.7 -11.3 2000 -12.7 -16.5 -20.0 -22.7 -23.6 -24.8 -24.4 -26.0 -24.8 -23.1 -14.5 -12.9 2001 -12.8 -14.6 -21.3 -23.7 -24.0 -23.9 -24.3 -29.5 -23.7 -22.9 -16.0 -9.3 2002 -8.8 -14.5 -19.7 -23.4 -22.0 -26.0 -27.5 -29.6 -21.9 -21.6 -17.7 -12.0 2003 -9.7 -14.8 -21.8 -23.8 -23.0 -23.9 -24.3 -26.6 -24.7 -21.0 -17.1 -10.4 2004 -10.8 -14.7 -22.8 -23.0 -27.4 -22.6 -32.2 -26.8 -24.5 -21.8 -14.9 -9.9 2005 -10.4 -13.9 -20.8 -25.1 -23.7 -25.3 -25.7 -25.8 -23.3 -19.2 -16.0 -9.8 2006 -10.3 -13.9 -20.7 -25.2 -26.2 -25.2 -28.0 - -25.1 -22.1 -14.4 -12.5 2007 -8.6 -15.5 -19.2 -22.5 -19.8 -22.6 -24.3 -24.6 -23.5 -22.3 -15.8 -10.9 2008 -10.1 -16.7 -20.5 -19.7 -23.8 -21.7 -27.5 -28.9 -21.8 -20.8 -16.6 -10.2 2009 -10.3 -16.1 -21.0 -21.6 -23.9 -24.3 -23.4 -25.5 -23.5 -23.0 -13.6 -10.3 2010 -10.7 -14.8 -18.7 -21.5 -24.6 -25.2 -27.4 -26.4 -27.3 -19.7 -14.8 -9.8 2011 -11.4 -14.6 -20.5 -23.7 -23.0 -24.6 -22.5 -21.4 -23.1 -21.6 -13.3 -10.4 2012 -10.8 -13.8 -20.2 -23.3 -22.1 -24.8 -26.0 -25.7 -24.2 -21.3 -15.8 -10.0 2013 -9.9 -15.2 -19.9 -24.7 -23.1 -24.3 -27.9 -23.6 -20.1 -20.5 -15.9 -10.5 2014 -8.1 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - -18.6 -21.8 -21.2 -24.6 -25.9 -25.6 -25.9 -19.5 -16.0 -12.2 2018 -10.6 -15.0 -18.5 -21.6 -24.9 -23.9 -24.4 -23.6 -25.1 -19.5 -14.2 -10.2 2019 -10.8 -14.2 -19.1 -22.8 -21.7 -28.1 -21.3 -22.1 -24.6 -21.6 -14.3 -11.4 2020 -10.4 -12.4 -21.2 -21.9 -23.4 -25.0 -24.2 -26.3 -25.2 -21.3 -15.1 -9.9 2021 -11.1 -13.6 -18.3 -27.7 -25.4 -24.5 -22.3 -26.2 -24.6 -20.0 -15.4 -9.9 2022 -10.6 -12.5 -18.0 -22.2 -21.4 -24.0 -22.8 -25.4 -24.8 -20.3 -17.5 -11.3 2023 -11.5 -14.8 -21.7 -20.8 -24.2 -24.4 -29.0 -32.1 -22.5 -22.8 -16.5 -11.6 2024 -12.2 -16.6 -20.9 -24.9 - - - - - - - -