GC41 temperature 1984 - - - - - - - - - - -37.6 - 1985 -25.1 -37.7 - - - - - - - - - - 1986 - -26.9 - -52.6 -54.3 -55.8 -51.3 -49.5 -49.1 -42.0 -34.1 - 1987 -23.6 -35.2 -44.2 - -53.0 - - -60.2 - -40.8 -36.6 - 1988 -24.8 -35.1 -47.8 - -50.5 -53.6 - - - - -36.6 -25.9 1989 - -36.5 - - -60.1 -59.6 -50.8 -52.9 -43.9 - -37.0 -22.3 1990 -25.0 -34.6 -45.6 -49.5 -53.6 - -45.8 - - - - - 1991 -24.1 -31.1 -42.6 -43.5 -56.8 -45.2 - -45.1 - -44.1 -34.9 - 1992 -24.8 -32.4 -43.1 - -54.2 -50.7 -51.1 - -56.1 -49.3 -34.6 -27.2 1993 -24.2 - -44.0 -51.8 -59.2 -54.7 - - -48.7 -46.1 -35.8 - 1994 -24.9 -35.1 - - -57.7 - - - - - - - 1995 - -36.0 -42.8 - -58.0 -47.0 -45.7 -47.5 -48.2 -47.1 -34.0 -27.1 1996 - -36.1 -41.4 -47.0 -55.5 -53.5 -47.8 -45.1 -47.5 -44.9 - - 1997 -24.8 -33.7 -45.0 -51.6 -56.0 -48.4 -56.0 -56.8 -51.1 - -30.2 -23.9 1998 -26.8 -30.7 -48.7 -49.7 -52.0 -53.3 -54.6 -52.7 -53.5 -44.5 -35.2 -23.8 1999 -26.5 -34.6 -47.1 - -57.3 -48.2 -56.7 -54.0 -54.7 -45.3 -35.8 -29.7 2000 -27.5 -34.1 - - - - - - -44.1 - - - 2001 -24.3 -34.7 -41.3 -49.0 -48.1 - - - - - - -28.1 2002 - -34.3 -38.8 -44.6 -48.9 -48.1 -47.6 -52.7 -50.6 -48.6 -40.3 -33.3 2003 -30.1 -32.5 - -48.0 -52.4 -54.7 -51.6 - -49.2 -47.7 -42.5 -34.8 2004 -30.2 -32.2 -40.5 -45.9 -50.8 -49.4 -47.9 -48.4 -48.2 -47.5 -44.8 -38.4 2005 -33.3 -33.6 -39.7 -46.2 -48.2 -47.0 -49.5 -50.2 -50.3 -46.7 -43.8 -38.5 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -