GC41 06Z temperature
1984       -       -       -       -       -       -       -       -       -       -   -32.8       -
1985       -       -   -39.6       -       -       -       -       -   -51.7       -   -29.6       -
1986       -   -23.7   -38.8   -50.7   -54.4   -55.7   -52.0   -48.5   -45.4   -37.7   -28.6       -
1987   -19.5       -   -40.6       -   -53.0       -       -   -59.7       -       -   -31.4       -
1988       -       -       -       -   -50.0       -       -       -       -       -   -31.3   -21.9
1989       -       -       -   -48.7   -59.9   -59.1   -50.1   -52.2   -41.3   -37.3   -31.2   -18.7
1990   -20.9       -       -       -       -       -       -       -       -       -       -       -
1991   -21.0   -26.9   -37.8       -       -   -45.8       -   -44.5   -46.2       -   -28.5       -
1992   -20.3       -   -38.7       -       -   -50.8   -51.6       -   -53.1   -44.5   -30.2       -
1993       -       -   -40.5       -   -58.5       -       -       -       -       -       -       -
1994       -       -       -       -       -       -       -       -       -       -       -       -
1995       -       -   -39.2       -   -58.1       -   -46.1       -   -45.5   -41.6   -28.9       -
1996       -   -30.6   -37.0   -47.0       -   -55.4       -   -43.5   -44.4   -39.9   -28.4       -
1997   -20.7   -29.1   -40.9   -50.4   -55.5   -48.4   -56.2   -56.7   -48.4   -40.6   -26.1   -20.1
1998   -22.5   -26.0   -43.9   -48.1   -51.0   -53.4   -54.5       -   -50.0   -38.9   -28.9   -20.2
1999   -22.0   -29.9   -42.3       -   -57.1       -       -       -       -   -40.7       -       -
2000       -       -       -       -       -       -       -       -       -       -       -       -
2001       -       -   -37.2   -46.1   -47.1       -       -       -       -       -       -   -27.8
2002       -   -34.2       -       -       -   -48.1   -47.5   -53.0   -50.7       -   -40.3   -33.1
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -   -49.9       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -