Halley 00Z temperature 1957 -6.4 -10.0 -15.4 -19.6 -21.8 -23.2 -27.0 -32.0 -26.6 -21.6 -13.2 -6.2 1958 -6.2 -9.7 -16.3 -25.1 -29.6 -24.7 -27.6 -29.3 -23.8 -19.5 -12.3 -9.1 1959 -5.0 -10.2 -18.7 -21.3 -17.8 -29.3 -27.3 -27.4 -30.8 -20.2 -13.6 -5.3 1960 -6.1 -12.8 -17.9 -18.9 -26.2 -31.1 -25.9 -24.6 -29.8 -20.2 -14.6 -7.2 1961 -6.5 -11.3 -16.4 -23.5 -19.0 -32.6 -33.2 -31.6 -29.3 -15.0 -12.4 -6.3 1962 -6.0 -13.2 -15.9 -20.0 -28.0 -27.1 -28.5 -32.5 -27.1 -25.5 -16.8 -7.5 1963 -5.7 -11.7 -14.8 -21.8 -26.1 -24.6 -26.3 -20.0 -25.8 -22.8 -13.3 -6.9 1964 -5.6 -11.0 -16.6 -24.4 -32.5 -22.9 -29.5 -33.3 -33.9 -24.2 -14.1 -7.0 1965 -5.3 -10.9 -17.7 -22.6 -26.9 -26.9 -27.6 -30.1 -27.0 -21.6 -13.4 -6.9 1966 -5.8 -9.8 -10.5 -17.5 -22.5 -24.7 -26.7 -29.1 -26.4 -20.9 -14.4 -5.9 1967 -3.8 -8.3 -22.1 -22.2 -23.2 -30.9 -28.7 -26.3 -28.4 -21.6 -13.0 -5.5 1968 -7.5 -11.1 -13.1 -23.9 -22.3 -21.1 -31.9 -29.3 -28.7 -19.0 -12.4 -7.3 1969 -4.3 -8.3 -17.1 -13.9 -20.3 -21.6 -30.4 -28.9 -22.3 -15.2 -11.0 -4.7 1970 -6.4 -10.3 -18.9 -21.4 -26.9 -29.9 -30.6 -35.2 -16.8 -18.7 -11.8 -4.4 1971 -3.9 -9.5 -19.4 -17.5 -25.3 -31.0 -32.9 -25.8 -28.0 -18.7 -14.6 -5.5 1972 -5.6 -8.6 -16.6 -20.9 -25.3 -29.5 -33.6 -29.0 -29.3 -24.3 -12.1 -5.9 1973 -4.6 -10.4 -17.4 -19.8 -25.4 -31.3 -30.8 -36.4 -26.4 -17.8 -10.9 -7.2 1974 -4.9 -13.2 -16.2 -22.2 -21.8 -30.0 -31.3 -21.9 -23.7 -22.2 -12.9 -5.4 1975 -4.8 -11.9 -11.7 -21.3 -17.7 -24.4 -23.9 -30.7 -26.3 -15.9 -11.1 -5.1 1976 -4.5 -8.4 -18.3 -19.6 -23.5 -25.3 -25.3 -24.0 -22.7 -18.8 -12.5 -5.1 1977 -4.0 -9.5 -16.6 -16.1 -15.7 -21.8 -28.7 -26.1 -29.1 -20.2 -12.6 -7.6 1978 -6.3 -9.4 -15.4 -15.9 -21.3 -24.5 -29.2 -25.3 -26.7 -17.9 -12.9 -6.0 1979 -3.6 -10.7 -20.0 -18.0 -26.1 -23.6 -34.2 -29.5 -27.6 -21.6 -12.8 -5.1 1980 -6.1 -9.8 -14.8 -20.2 -28.3 -23.4 -31.8 -26.7 -27.4 -22.6 -9.8 -6.4 1981 -4.2 -9.4 -16.3 -17.7 -27.0 -26.0 -25.5 -24.3 -26.4 -19.0 -11.2 -5.3 1982 -3.9 -7.8 -22.4 -18.8 -25.3 -26.8 -25.4 -28.8 -21.0 -17.5 -11.9 -5.1 1983 -4.7 -9.2 -15.3 -24.7 -22.1 -27.0 -30.2 -25.2 -26.6 -20.9 -14.3 -7.3 1984 -3.8 -11.6 -15.0 -21.5 -20.6 -31.4 -24.0 -24.4 -27.3 -23.3 -13.5 -5.4 1985 -5.5 -12.4 -13.6 -23.1 -27.6 -27.6 -23.2 -24.1 -25.5 -22.4 -16.7 -7.1 1986 -5.4 -7.7 -16.0 -22.9 -28.9 -29.8 -26.9 -24.3 -28.2 -25.2 -11.9 -6.4 1987 -4.5 -9.4 -16.1 -18.9 -29.1 -26.0 -23.7 -29.4 -25.1 -24.8 -11.5 -5.0 1988 -4.3 -10.6 -12.1 -19.1 -22.9 -26.7 -31.5 -28.8 -29.4 -20.8 -11.9 -5.6 1989 -4.0 -9.2 -15.0 -21.4 -24.3 -23.5 -27.1 -32.9 -25.2 -21.0 -11.4 -6.1 1990 -4.0 -11.1 -16.7 -22.4 -28.3 -23.2 -28.7 -25.9 -28.2 -17.7 -9.3 -4.9 1991 -5.7 -10.4 -21.7 -24.6 -26.6 -21.3 -27.1 -27.8 -23.8 -21.9 -12.0 -5.5 1992 -3.5 -10.7 -20.5 -24.0 -26.0 -26.3 -27.7 -36.7 -27.2 -18.9 -12.5 -5.2 1993 -6.2 -13.3 -14.9 -21.3 -22.9 -28.9 -32.4 -27.8 -32.1 -19.4 -11.0 -6.0 1994 -5.8 -10.1 -21.8 -25.8 -27.9 -25.8 -35.7 -31.8 -25.1 -23.7 -14.5 -8.1 1995 -6.5 -11.3 -12.5 -25.2 -29.4 -19.3 -27.9 -28.8 -30.1 -19.7 -14.9 -5.1 1996 -4.0 -7.2 -14.0 -25.3 -23.3 -30.5 -23.8 -23.1 -28.6 -19.0 -9.6 -4.3 1997 -4.5 -16.2 -18.3 -28.4 -27.3 -30.7 -31.5 -32.2 -29.1 -23.4 -11.4 -6.7 1998 -5.6 -11.0 -19.9 -24.1 -27.5 -28.9 -26.5 -26.8 -28.8 -23.5 -12.9 -5.6 1999 -4.8 -10.8 -21.6 -21.0 -25.0 -29.7 -28.0 -25.1 -27.8 -19.3 -14.4 -8.5 2000 -7.2 -11.9 -18.0 -23.9 -29.5 -27.3 -32.0 -35.0 -24.6 -26.1 -13.3 -7.8 2001 -6.4 -13.1 -20.4 -25.6 -27.4 -24.4 -29.6 -27.3 -23.6 -19.5 -11.4 -4.5 2002 -5.2 -11.6 -19.1 -23.4 -25.6 -26.2 -30.5 -22.5 -32.2 -18.1 -15.2 -7.2 2003 -4.8 -7.1 -18.4 -24.2 -21.8 -31.9 -35.3 -26.6 -25.8 -21.8 -13.3 -6.2 2004 -5.6 -10.9 -16.7 -25.9 -24.2 -28.9 -30.9 -32.2 -22.2 -19.9 -16.4 -6.6 2005 -5.3 -11.5 -14.8 -20.1 -29.9 -31.7 -27.7 -24.3 -28.7 -21.0 -15.5 -5.7 2006 -5.9 -13.1 -13.3 -23.1 -26.0 -27.9 -25.2 -29.3 -27.6 -22.8 -10.3 -7.4 2007 -4.4 -11.4 -16.4 -28.5 -27.2 -30.8 -27.9 -29.8 -28.0 -21.2 -13.1 -6.4 2008 -7.2 -12.2 -18.6 -19.4 -20.7 -30.1 -23.8 -25.4 -27.5 -24.6 -12.9 -8.4 2009 -6.2 - - - - - - - - - - -