GC41 18Z temperature 1984 - - - - - - - - - - -43.8 -28.6 1985 -29.9 -42.8 -46.7 -52.2 - - - - -56.1 -53.3 -41.0 - 1986 -31.7 -30.0 -46.2 -53.6 -54.2 -55.9 -51.5 -50.1 -51.1 -45.4 -39.7 - 1987 -28.4 -40.0 -46.7 -50.8 -52.9 - - -60.2 - -44.2 -42.0 - 1988 -30.0 -39.9 -49.9 -52.3 -50.7 -53.9 -55.5 - - -48.0 -43.2 -31.3 1989 - -41.5 -48.9 -51.2 -59.8 -59.7 -50.9 -53.1 -45.0 -46.1 -42.9 -27.2 1990 -30.1 -39.3 -48.2 -50.2 -53.8 - -46.1 - - - - - 1991 -27.9 -35.5 -44.9 -44.4 -56.9 -45.4 -50.8 -45.1 -51.6 -47.5 -40.2 -28.5 1992 -30.5 -36.4 -45.4 -53.2 -53.3 -51.5 -51.0 -43.0 -58.0 -53.5 -40.5 -32.4 1993 -28.4 -32.8 -46.6 -52.8 -59.6 -54.5 -51.9 -53.8 -50.4 -49.7 -41.6 -31.9 1994 -29.1 -39.6 -48.9 -53.4 -58.2 -49.6 -49.6 -57.3 -49.1 -47.6 -40.2 -33.5 1995 -34.2 -40.5 -44.7 -50.9 -58.3 -46.8 -45.4 -47.4 -49.5 -51.0 -39.6 -33.0 1996 - -40.4 -43.4 -47.0 -55.2 -53.7 -47.9 -45.0 -48.7 -48.8 -39.8 - 1997 -29.4 -37.9 -47.2 -51.9 -55.5 -47.8 -56.3 -56.5 -52.0 -48.8 -34.9 -28.5 1998 -32.5 -34.6 -51.4 -50.9 -52.6 -53.4 -54.8 -53.8 -54.6 -48.6 -41.2 -28.5 1999 -31.4 -39.0 -49.8 -61.9 -56.9 -48.6 -56.7 -53.7 -55.9 -48.9 -42.3 - 2000 -33.5 -38.2 -48.9 -56.3 -52.2 -52.2 -51.2 -48.3 -45.9 -49.8 -37.8 -33.3 2001 -29.7 -39.6 -43.3 -50.1 -48.7 -52.6 - - -48.8 - -40.3 -28.2 2002 -24.5 -34.2 -38.6 -44.8 -48.8 -48.0 -47.7 -52.7 -50.6 -48.6 -40.2 -33.4 2003 - - - - -52.5 -54.6 -51.5 - - -47.7 - - 2004 - -32.1 - - - - - - -48.2 - - - 2005 -33.2 -33.8 -40.1 -46.3 -48.2 -47.1 -49.6 -49.9 -50.1 -46.7 - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -