Marble_Point 12Z temperature 1980 - - -15.9 -18.4 -19.4 -25.4 -23.4 -22.7 -26.1 -20.5 -9.6 -3.4 1981 - -8.9 -12.7 -23.2 -21.5 -20.1 -21.9 -24.1 -28.5 -20.9 -13.1 -4.6 1982 -4.1 -8.9 -19.9 -23.7 -25.2 -25.9 -28.7 -24.2 -27.6 -20.7 -9.7 -2.6 1983 -3.6 -10.8 -16.1 -16.3 -15.8 -24.9 -27.9 -24.7 -24.9 -19.1 -10.6 -4.5 1984 -3.5 -10.7 -15.2 -17.6 -19.0 -22.5 -23.3 -26.0 -24.8 -17.7 - - 1985 - -11.1 -15.3 -21.4 - -21.9 -31.2 -25.9 -24.2 -19.7 -12.2 -5.0 1986 -4.3 -7.1 -15.8 -20.2 -18.4 -22.9 -24.8 -30.1 -32.4 -19.0 -11.3 -3.9 1987 -1.8 -10.3 -19.1 -22.8 -22.1 -19.4 -24.6 -27.8 -22.3 -17.9 -10.1 -3.0 1988 -3.7 -10.8 -18.7 -19.4 -20.5 -20.6 -25.0 -19.7 -20.5 -13.7 - - 1989 - -9.9 -14.9 -18.2 -23.6 -28.6 -23.8 -26.4 -23.2 -17.2 -9.6 -2.6 1990 -2.9 -9.4 -15.8 -20.4 -22.3 -23.3 -25.2 -27.8 -28.0 -18.8 -9.4 -2.3 1991 -2.6 -6.0 -17.6 -19.6 -23.8 -20.5 -25.2 -26.2 -20.7 -18.3 -9.4 -1.3 1992 -3.3 -9.8 -14.5 -22.6 -23.0 -24.8 -22.6 -28.3 -25.2 -19.3 -9.9 -3.8 1993 -3.3 -8.5 -16.5 -20.0 -26.6 -21.5 -22.1 - - -21.9 -10.4 -5.8 1994 -3.6 -11.7 -21.3 -18.6 -27.8 -22.8 - - - -18.1 -10.3 -4.3 1995 -4.4 -9.3 -19.5 -25.0 -26.6 -23.7 -25.2 -24.6 -25.2 -18.6 -9.5 -2.0 1996 -3.5 -8.1 -16.2 -16.9 -23.5 -24.5 -24.6 -20.2 -23.0 -20.2 -9.0 -2.1 1997 -3.7 -11.4 -19.7 -25.1 -21.6 -20.8 -27.6 - - -14.7 -5.8 -4.5 1998 -4.8 -8.5 -17.9 -26.9 -23.0 - - - - - - - 1999 - -9.6 -18.0 -24.2 -25.8 -21.5 -21.1 -28.0 -21.3 -16.9 -8.8 -4.1 2000 -4.6 -9.9 -15.2 -18.2 -22.6 -24.8 -23.0 -24.9 -25.7 -22.2 -8.1 -4.9 2001 -6.6 -9.3 -20.0 -21.6 -22.6 -21.1 -22.6 -31.9 -24.3 -19.0 -9.6 -2.4 2002 -2.5 -8.4 -15.8 -21.2 -19.4 -27.8 -29.2 -31.0 -22.4 -18.8 -11.9 -5.9 2003 -2.5 - - - - - -21.6 - - - - - 2004 - - - - - - - - - - - - 2005 - -9.0 -17.9 -24.0 -20.9 -24.3 -25.7 -27.5 -24.2 -17.7 -8.8 -1.6 2006 -2.6 - - - - - - - - -20.3 -9.3 -4.5 2007 -1.1 -10.2 -17.8 -21.8 -19.1 -21.0 -22.4 -22.9 -20.8 -20.4 -10.3 -3.0 2008 -2.3 -10.8 -17.2 -18.8 -22.8 -18.0 -27.3 -32.0 -19.7 -18.5 - - 2009 - - - - - - - - - - - -