Harry temperature 1987 -7.1 -16.5 -35.4 -38.4 -38.5 -31.4 -34.3 -40.2 -38.6 -27.3 -20.4 -6.7 1988 -7.5 -17.9 -32.0 -33.6 -33.5 -35.4 -37.4 -30.9 -36.3 -27.2 -17.1 -7.1 1989 -7.5 -19.5 -27.8 -27.9 -39.2 -47.5 - - - - - - 1990 - - - - - - - - - - - - 1991 - -13.8 -31.5 -33.1 -35.2 -33.1 -41.4 -41.9 -34.6 -26.4 -15.9 -5.9 1992 -6.4 -17.3 -20.2 -37.7 -33.6 -36.3 -34.4 -44.5 - - -17.0 -7.6 1993 -7.4 -16.5 -30.2 -34.4 -40.6 -31.9 -34.9 -42.4 - - -17.3 -9.6 1994 -9.9 -19.9 -33.1 -29.2 -42.4 -39.9 -35.4 - - - - -8.3 1995 -10.6 -14.1 -25.9 -28.1 -31.2 -24.3 -31.8 -30.9 -28.9 -24.9 -17.1 -9.5 1996 -9.6 -16.6 -25.6 -19.5 - -26.6 - -34.0 -38.1 - -14.5 - 1997 -8.6 -17.5 -31.0 -41.4 -35.7 -33.2 -40.7 -45.5 -38.1 -23.4 -12.7 -7.7 1998 -9.1 -14.3 -29.0 -41.7 -34.2 -30.7 -44.5 -39.6 -42.9 -29.3 -19.2 -9.2 1999 - -18.8 -23.8 -31.5 -29.8 -30.3 -28.0 -33.2 -25.4 -21.2 -14.9 -11.6 2000 -13.9 -16.6 -20.7 -28.9 -29.2 -26.9 -27.3 -30.2 -29.8 -23.1 -14.8 -13.2 2001 -13.7 -15.0 -24.7 -24.9 -27.5 -25.7 -29.2 -38.3 -29.9 -27.1 -17.6 -11.9 2002 -10.9 -16.9 -21.6 -27.8 -25.5 -32.7 -33.4 -33.4 -21.5 -23.7 -14.7 -11.8 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -