Harry 00Z temperature 1987 -5.8 -14.9 -33.7 -38.2 -39.0 -30.9 -33.8 -40.0 -37.8 -25.2 -18.1 -5.0 1988 -6.4 -15.6 -30.5 -32.8 -32.9 -35.4 -38.1 -30.6 -35.3 -25.5 -15.3 -6.0 1989 -6.2 -17.3 -26.6 -27.9 -38.1 -47.5 - - - - - - 1990 - - - - - - - - - - - - 1991 - -12.0 -29.6 -33.1 -35.3 -32.1 - -41.4 -34.2 -24.1 -13.4 -4.6 1992 -5.0 -14.9 -19.3 -37.7 -32.9 -36.3 -34.9 -43.8 - - -15.0 -6.3 1993 -5.7 -14.5 -29.0 -33.5 -40.5 -32.0 -35.2 -42.5 -39.1 -28.8 -15.6 -7.8 1994 -7.8 -16.7 -31.9 -28.5 -42.0 -40.1 -35.0 - - - - -7.0 1995 -8.7 -12.6 -24.9 -27.8 -30.8 -25.0 -31.9 -30.6 -28.6 -23.7 -15.4 -7.9 1996 -8.0 -14.8 -24.5 -19.5 - -26.8 - -33.8 -37.5 - -13.4 - 1997 -7.3 -15.6 -29.4 -40.5 -35.7 -33.0 -40.9 -45.1 -37.6 -20.9 -11.3 -6.3 1998 -7.9 -12.7 -27.7 -41.8 -34.8 -30.1 -45.0 -39.3 -41.5 -26.7 -17.0 -7.3 1999 - -16.9 -23.1 -31.2 -29.6 -30.1 -28.0 -33.0 -24.6 -20.1 -13.6 -10.1 2000 -12.1 -15.2 -20.1 -28.8 -29.0 -26.8 -27.2 -30.3 -29.7 -22.6 -13.2 -11.2 2001 -12.4 -13.5 -23.5 -24.2 -27.8 -25.7 -29.2 -38.8 -29.0 -25.7 -15.7 -10.4 2002 -9.1 -15.5 -20.8 -27.8 -25.5 -33.6 -33.5 -34.1 -21.1 -22.3 -13.3 -9.9 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -