GC41 12Z temperature 1984 - - - - - - - - - - -34.7 -21.4 1985 -22.4 -35.0 -43.3 - - - - - -54.3 -47.9 -33.0 - 1986 -24.1 -25.3 -43.5 -53.1 -53.8 -55.4 -51.5 -48.9 -49.3 -40.7 -31.8 -23.0 1987 -20.8 -33.6 -44.1 -50.2 -53.1 - - -60.3 - -39.9 -34.2 - 1988 -21.9 -32.9 -46.6 -52.6 -50.1 -53.5 -55.9 - - -42.3 -34.4 -23.5 1989 - -34.0 -46.4 -50.9 -60.7 -59.5 -50.4 -52.4 -44.9 -41.5 -34.1 -19.7 1990 -22.9 -32.7 -45.1 -48.8 -54.0 - -45.8 - - - - - 1991 -21.4 -29.4 -42.2 -43.5 -56.7 -45.3 -51.4 -45.1 -50.6 -43.0 -32.7 -21.6 1992 -22.4 - -42.1 -52.8 -53.4 -50.7 -51.3 -42.7 -56.7 -48.8 -33.7 -24.0 1993 -22.0 -28.1 -43.6 -52.0 -59.3 -54.1 -52.8 -53.1 -49.1 -45.3 -33.3 -24.1 1994 -22.3 -32.8 -46.1 -52.6 -58.8 -49.3 -50.2 -56.7 -47.8 -43.0 -32.4 -25.6 1995 -25.1 -33.6 -42.3 -51.2 -57.8 -46.3 -45.5 -49.0 -48.5 -46.7 -31.7 -23.8 1996 - -33.5 -41.5 -46.5 -54.6 -54.9 -47.3 -44.4 -47.9 -43.9 -31.8 -23.6 1997 -22.0 -32.3 -45.3 -52.0 -56.6 -48.8 -56.2 -56.9 -51.1 -44.6 -27.9 -21.3 1998 -23.1 -29.5 -48.1 -49.9 -51.8 -52.8 -54.6 -51.8 -53.2 -44.2 -33.0 -21.5 1999 -23.9 -32.7 -46.3 -60.3 -57.8 -48.2 -56.7 -54.1 -55.2 -44.1 -33.3 -25.9 2000 -23.8 -32.3 -45.7 - -51.5 -52.1 -51.4 -47.1 -45.3 -45.1 -31.0 -22.9 2001 -21.3 -32.4 -41.9 -49.1 -49.0 - - - - - -36.5 -27.0 2002 -24.3 -34.3 -38.8 -44.5 -49.0 -48.1 -47.7 -52.6 -50.6 -48.7 -40.4 -33.4 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - -33.5 -39.7 -46.2 -48.2 -47.1 -49.6 -50.1 -50.0 -46.7 - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -