Whitlock 00Z temperature 1982 - -7.3 -16.9 -23.1 -23.5 -25.8 -28.2 -24.2 -25.8 -19.3 -9.6 -4.1 1983 -2.8 -7.5 -13.8 -17.9 -18.0 -24.0 -28.7 -25.7 -22.7 -19.1 -10.8 -4.5 1984 -3.4 -7.6 -13.9 -19.1 -20.9 -23.1 -25.9 -26.5 -24.4 -17.3 -9.9 -4.1 1985 -3.1 -8.3 -14.0 -22.4 - -24.5 -30.7 -25.7 -24.6 -19.8 -11.5 -5.6 1986 -4.2 -6.6 -13.5 -20.9 -18.5 -24.0 -26.2 -29.3 -29.2 -18.4 -10.9 -4.8 1987 -2.3 -8.2 -16.1 -22.6 -23.6 -19.6 -23.6 -26.6 -22.6 -16.6 -11.0 -3.6 1988 -3.3 -7.7 -15.7 -19.2 -21.8 -21.8 -25.7 -20.6 -21.0 -14.7 -10.3 -4.8 1989 -4.2 -7.9 -13.2 -18.3 -24.9 -28.4 -24.8 -26.8 -21.4 -18.4 -10.1 -4.1 1990 -3.4 -7.4 -14.3 -21.7 -22.4 -25.9 -23.2 -28.0 -25.5 -18.4 -9.3 -4.2 1991 -3.3 -5.3 -14.7 -19.6 -24.1 -20.6 -25.5 -25.0 -21.5 -18.0 -10.3 -3.7 1992 - - - - - - - - - - - - 1993 - - - - - -32.7 - - - - - - 1994 - - -18.9 -18.1 -28.2 -24.8 -24.1 -29.0 -25.0 -16.9 -9.2 -3.9 1995 -4.2 -6.9 -16.9 -23.5 -26.3 -26.4 -25.5 -25.5 -24.5 -17.9 -8.9 -2.3 1996 -3.1 -5.7 -13.4 -18.6 -25.3 -25.5 -27.2 - -23.7 -19.3 -8.4 -2.9 1997 -3.2 -8.0 -17.6 -24.9 -25.1 -22.7 - - - - -6.1 -4.2 1998 -3.9 -6.6 -16.8 - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - -17.0 -21.9 -23.5 -21.7 -24.3 -30.8 -23.9 -17.9 -10.0 -2.8 2002 -2.6 -6.7 -14.0 -21.4 -20.4 -26.7 -29.2 -30.3 -21.5 -17.7 -10.1 -4.4 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -