GF08 18Z temperature 1986 - - - - - - - - - - -27.5 - 1987 -18.9 -25.5 - -36.4 -42.2 -31.2 - -45.3 -36.6 -32.0 -28.3 - 1988 - - -34.8 -35.2 -32.2 -36.1 -40.7 -38.1 -36.7 -33.3 -29.6 -21.9 1989 -22.9 -27.5 -35.5 -38.6 -41.5 -40.2 -36.5 -38.0 -31.4 -29.7 - -16.8 1990 -21.4 -25.8 -32.6 -32.9 -36.5 -41.7 -35.0 -36.1 -40.4 -36.8 - -19.2 1991 -20.2 -24.8 -30.5 -31.4 -40.7 -32.3 -33.4 -32.9 - -35.0 -27.0 -19.0 1992 -19.1 - -31.1 -38.3 -39.1 -35.5 -38.0 -32.8 - -38.5 - -22.7 1993 -19.8 -23.5 -32.2 -36.7 -42.8 -41.0 -40.0 -40.2 -37.8 -37.6 -29.4 -23.5 1994 -21.3 -26.2 -33.4 -40.3 -40.6 -32.8 -37.5 -42.4 -34.4 -34.1 -28.3 - 1995 - -28.3 -32.3 -37.9 -42.2 -35.8 -29.2 -34.3 -36.8 -37.2 - -23.3 1996 -19.8 -26.2 -29.3 -33.7 -38.9 -36.8 -31.4 -31.3 -34.8 -34.1 - - 1997 -19.7 - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - -25.6 -33.7 -36.6 -40.6 -37.4 -37.2 -33.7 -30.9 - - - 2001 - - - -35.3 - - - - - - - -22.6 2002 -19.5 -28.5 -26.6 -33.6 - -31.1 - - - -34.2 - - 2003 - - - - -35.4 -36.9 -36.8 - - - - - 2004 - - - - - -34.6 -35.5 -34.7 -35.6 - - -24.9 2005 -21.6 -22.7 -27.8 -31.6 -33.7 -33.2 -34.7 -35.7 -36.6 -33.7 -29.9 -24.5 2006 -21.5 -23.2 -26.9 -29.3 -34.0 -36.3 -35.7 -33.6 -36.2 -34.4 -32.2 -28.1 2007 -24.9 -24.4 -26.8 -29.5 - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -