LGB20 18Z temperature
1991       -   -32.4   -42.4   -47.4   -52.5   -45.6   -43.3       -   -51.2   -46.3   -34.8   -23.4
1992   -25.9   -31.9   -43.0       -   -49.9   -48.5   -51.2   -52.3   -53.1   -45.8   -33.6   -28.5
1993   -24.4   -34.6   -43.3   -48.8   -50.6   -52.3       -   -52.1   -52.1   -44.7   -35.2   -26.9
1994   -26.1   -35.3   -46.7   -48.4   -53.1   -43.7   -47.8   -52.2   -48.4       -   -34.9   -26.7
1995   -29.0   -35.1   -43.1   -46.6   -52.5   -51.1   -42.4   -52.5   -52.2   -44.7   -33.4   -25.1
1996       -   -33.1   -43.6   -47.1   -54.4   -50.6   -48.6   -44.5   -45.7   -46.1       -   -25.5
1997   -27.3   -33.9   -42.9   -49.1   -52.5   -48.6       -   -52.6   -50.8   -46.0   -31.0   -23.1
1998   -27.4       -   -44.0   -50.7   -48.0   -48.6   -50.9   -49.0   -50.8   -47.3   -32.7   -25.8
1999   -26.5   -34.9   -43.7   -52.7   -51.6       -   -52.7   -48.7   -49.9   -46.0   -35.1   -28.3
2000       -   -36.9   -46.7   -48.7   -50.5   -47.0   -50.7   -50.5       -   -47.1   -32.2   -25.1
2001   -25.4   -33.5   -43.8   -48.4       -   -47.7   -49.7       -   -49.4   -46.0   -35.0       -
2002       -   -36.2   -44.1   -46.0   -44.7   -47.7   -48.7   -52.5       -   -43.9   -36.7   -26.6
2003       -       -       -       -   -51.5   -50.6   -51.6       -       -       -       -       -
2004       -       -       -       -       -   -51.8       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -