Marble_Point temperature 1980 - - -15.6 -18.6 -19.7 -25.6 -23.3 -23.0 -25.8 -19.3 -8.6 -2.7 1981 - -8.2 -12.3 -23.4 -21.3 -19.0 -21.5 -24.3 -28.0 -20.3 -11.7 -3.9 1982 -3.7 -8.4 -19.7 -23.7 -24.6 -26.1 -28.8 -23.9 -27.3 -20.1 -8.9 -2.0 1983 -3.3 -10.3 -15.7 -16.1 -16.1 -24.6 -28.0 - -24.7 -18.2 -9.6 -3.8 1984 -3.1 -10.2 -14.6 -17.3 -18.9 -22.2 -23.4 -25.9 -24.4 -17.0 - - 1985 - -10.4 -14.8 -21.4 - -22.3 -31.1 -25.3 -24.2 -19.3 -11.5 -4.5 1986 -3.7 -6.3 -15.5 -19.8 -18.2 -22.9 -24.9 -29.9 -31.9 -18.5 -10.6 -3.4 1987 -1.1 -9.3 -18.7 -23.0 -22.0 -19.5 -23.8 -27.6 -22.2 -17.4 -9.3 -2.5 1988 -3.2 -9.9 -18.3 -19.1 -20.4 -20.7 -25.0 -19.6 -20.1 -12.8 - - 1989 - -9.2 -14.7 -18.2 -23.5 -28.5 -23.9 -26.3 -22.8 -16.1 -8.3 -1.9 1990 -2.4 -8.6 -15.5 -20.3 -22.4 -23.4 -25.1 -27.7 -27.7 -18.0 -8.0 -1.7 1991 -2.5 -5.2 -17.4 -19.6 -23.7 -20.1 -25.3 -26.1 - - -8.3 -1.1 1992 - -9.3 -14.3 -22.7 -22.9 -24.5 -22.6 -27.4 -24.9 -18.3 - -3.3 1993 -2.7 -7.8 -15.8 -20.1 -26.6 -22.0 -22.1 - - - - - 1994 - -11.1 -20.9 -18.6 -28.0 -22.7 - - - -17.3 -9.2 -3.7 1995 -3.6 -8.3 -19.1 -25.0 -26.7 -24.0 -25.3 -24.6 -25.4 -17.9 -7.8 -1.3 1996 -2.7 -7.1 -15.9 -16.7 -23.4 -24.6 -25.0 -20.1 -22.9 -19.7 -8.4 -1.7 1997 -3.2 -10.2 -18.9 -24.7 -21.9 -20.9 -27.5 - - -13.7 -4.9 -3.8 1998 -4.1 -7.7 -17.4 -26.3 - - - - - - - - 1999 - -8.6 -17.5 -24.1 -25.9 -21.6 -21.1 -27.8 -20.7 -16.3 -7.6 -3.3 2000 -3.7 -9.0 -14.9 -18.3 -22.6 -24.8 -23.1 -25.2 -25.3 -20.8 -7.2 -4.3 2001 -6.2 - - -22.0 -22.9 -21.2 -22.6 -32.0 -23.8 -18.1 -8.8 -1.4 2002 -2.0 -7.6 -15.2 -20.8 -19.1 -27.8 -29.4 -30.4 -21.9 -17.7 -10.8 -5.0 2003 -2.1 - -18.4 -23.8 -20.1 -23.4 -22.4 -28.6 -22.5 -15.9 -9.7 -2.5 2004 -4.2 -9.4 -21.5 -21.6 -25.7 -23.8 -33.2 -29.4 -26.5 -18.2 -6.7 -1.4 2005 -2.6 -8.5 -17.9 -24.5 -21.2 -25.9 -26.2 -28.1 -24.0 -17.4 -8.5 -1.8 2006 -2.7 -8.4 -17.9 -25.6 -28.3 -22.5 -29.8 -19.8 -22.3 -19.3 -8.2 -4.0 2007 -0.4 -9.4 -16.9 -21.9 -19.5 -20.5 -22.0 -23.0 -20.3 -19.3 -9.0 -2.2 2008 -1.8 -10.1 -16.7 -18.8 -22.7 -18.2 -27.1 -31.6 -19.4 -17.4 -10.7 -2.3 2009 -2.7 -10.6 -18.1 -17.3 -23.6 -22.4 -24.3 -26.2 -24.9 -19.2 -5.9 -2.2 2010 -2.8 -8.3 -16.0 -19.5 -23.2 -24.1 -26.5 -26.7 -26.5 -16.9 -7.3 -1.4 2011 -3.9 -7.9 -15.7 -19.7 -21.8 -21.1 -19.6 -20.6 -23.4 -18.3 -6.3 -2.5 2012 -3.0 -7.3 -15.3 -20.1 -16.9 -24.5 -26.0 -25.4 -21.8 -16.4 -8.4 -1.5 2013 -2.2 -8.9 -15.7 -24.8 -20.7 -22.2 -26.8 -24.7 -19.7 -16.4 -8.8 -1.5 2014 -0.7 -7.2 -16.4 -22.1 -18.9 -24.3 -30.1 -20.1 -17.2 -14.0 -8.7 -3.8 2015 -1.8 -5.2 -16.7 -24.0 -25.4 -23.5 -26.7 -25.7 -26.5 -15.8 -8.2 -1.7 2016 -1.1 -6.9 -16.0 -23.7 -23.5 -26.2 -29.8 -24.7 -25.3 -19.1 -8.9 -2.5 2017 -2.0 -7.5 -15.3 -18.5 -18.2 -23.3 -25.0 -22.6 -26.0 -14.8 -9.2 -4.0 2018 -2.3 -8.9 -13.8 -19.2 -23.1 -19.3 -24.5 -24.7 -24.4 -14.1 -7.0 -1.2 2019 -2.5 -6.1 -14.6 -19.5 -17.0 -23.3 -20.9 -22.5 -21.8 -16.9 -6.0 -2.2 2020 -2.7 - -17.0 -19.9 -21.6 -22.6 -22.9 -22.3 -22.8 -15.4 - -1.0 2021 -1.6 -7.3 -14.9 -25.3 -23.2 -22.2 -20.3 -29.7 -21.5 - -7.0 -0.7 2022 - - -12.9 -20.1 -17.1 -20.4 -20.2 -22.8 -22.2 -15.5 -10.8 -2.9 2023 -3.2 -6.4 -16.3 -20.8 -23.5 -21.4 -31.1 -32.1 -18.2 -18.1 - -2.7 2024 -2.5 -10.1 -15.9 -19.5 -22.7 -20.4 -24.1 -20.4 -24.7 -14.6 -9.8 -