Marsh 06Z temperature 1970 0.2 0.2 -1.2 -3.3 -7.3 -8.8 -3.4 -5.8 -1.5 -1.4 -0.7 -0.1 1971 1.0 0.3 0.4 -1.3 -6.3 -2.7 -4.5 -5.8 -4.3 -1.4 -0.6 -1.0 1972 0.8 0.6 -0.4 -2.6 -3.1 -6.9 -5.2 -10.1 -4.4 -2.7 -1.4 0.7 1973 -0.8 0.6 -0.3 -2.1 -6.2 -8.7 -7.0 - -5.4 -2.3 -1.0 -0.1 1974 - - - - - - - - - - - - 1975 0.5 0.7 0.2 -1.6 -4.9 -7.1 -11.4 -10.7 -5.1 -1.8 -1.9 -0.3 1976 0.3 1.3 0.2 -0.4 -2.3 -4.8 -10.2 -8.6 -6.2 -2.7 -0.9 -0.5 1977 0.3 0.7 -0.3 -0.9 -2.2 -4.6 -8.2 -8.2 -7.7 -3.9 -1.0 -0.1 1978 0.5 1.3 0.2 -1.1 -1.2 -4.9 -11.2 -7.5 -3.6 -2.4 -2.1 -0.1 1979 1.4 1.5 1.0 -0.2 -2.8 -4.8 -4.1 -5.9 -3.8 -3.1 -1.7 0.1 1980 1.0 1.0 -0.4 -4.4 -2.8 -6.4 -11.2 -11.3 -8.7 -4.0 -3.0 -0.2 1981 0.5 1.3 -0.4 -0.8 -3.7 -3.9 -4.0 -9.7 -5.0 -5.1 -1.8 -0.1 1982 1.8 1.7 0.8 0.2 -1.0 -2.8 -7.1 -5.7 -5.2 -3.6 -2.3 0.3 1983 1.0 0.7 0.5 -0.7 -2.9 -5.0 -4.8 -2.9 -4.6 -2.6 -0.4 0.4 1984 0.5 1.1 0.7 -1.5 -6.1 -4.3 -4.4 -3.7 -1.7 -3.3 -0.9 0.6 1985 1.6 1.4 -1.2 -0.9 -3.6 -4.9 -3.2 -3.5 -1.6 -1.7 -0.4 0.3 1986 0.9 0.6 0.9 -1.8 -8.0 -7.3 -7.2 -7.4 -6.0 -2.6 -3.0 -0.8 1987 0.4 0.6 0.0 -2.9 -5.2 -7.6 -13.3 -5.2 -6.4 -3.0 -0.7 0.2 1988 0.5 1.7 0.0 -1.2 -1.8 -6.9 -5.2 -8.9 -3.9 -3.6 -2.2 -0.7 1989 0.7 1.7 1.7 -4.1 -1.1 -1.7 -1.0 -2.1 -3.3 -1.2 -0.5 0.5 1990 1.8 2.3 1.2 -4.3 -5.0 -4.9 -5.6 -5.4 -4.2 -2.5 -1.4 -0.4 1991 1.3 0.5 -0.2 -2.0 -7.2 -10.0 -6.8 -7.4 -3.5 -3.9 -1.6 -0.8 1992 1.3 0.6 -1.4 -1.0 -8.2 -8.0 -7.6 -4.7 -2.8 -3.5 -1.0 1.5 1993 1.2 1.6 -0.3 -1.6 -2.6 -4.1 -3.4 -3.6 -3.8 -2.7 -1.2 -0.4 1994 1.1 1.0 0.2 -1.4 -4.0 -3.8 -10.6 -3.7 -3.1 -5.8 -0.9 0.0 1995 1.1 1.3 -0.1 -1.5 -2.0 -6.7 -12.2 -10.8 -6.1 -2.5 -1.7 0.0 1996 0.7 1.5 0.6 -1.9 -2.6 -5.7 -4.2 -4.5 -2.4 -2.6 -1.5 -0.4 1997 1.3 1.2 1.1 -1.8 -1.8 -4.4 -6.5 -5.6 -7.4 -3.5 -3.2 -0.5 1998 1.4 1.5 0.5 0.8 -1.7 -1.3 -5.6 -7.3 -7.6 -2.7 -1.1 -0.3 1999 0.8 0.9 0.8 0.4 -1.1 -3.4 -3.2 -5.4 -5.9 -2.3 -0.7 0.3 2000 0.7 1.1 0.4 -0.1 -1.7 -2.5 -3.0 -6.6 -6.2 -2.3 -2.1 -0.5 2001 0.6 -0.2 -0.6 -3.1 -1.1 -5.1 -6.4 -2.6 -2.6 -1.0 -0.6 0.5 2002 1.4 1.8 -0.3 -0.1 -5.9 -8.4 -6.5 -4.4 -3.4 -6.0 -1.9 0.0 2003 1.0 1.7 -0.7 -0.9 -2.3 -7.2 -5.7 -1.9 -3.0 -2.8 -2.5 -1.7 2004 0.7 1.0 0.5 -1.9 -2.2 -2.8 -4.0 -4.4 -4.4 -2.9 -0.9 0.1 2005 0.5 1.5 -0.5 -1.4 -3.4 -7.3 -5.8 -3.8 -2.9 -2.0 -0.9 -0.9 2006 1.5 1.6 2.1 -0.9 -1.1 -4.2 -4.2 -8.5 -5.1 -1.9 -1.2 0.2 2007 1.0 0.8 -1.5 -4.3 -4.7 -7.3 -10.6 -5.4 -4.1 -4.3 -2.5 -0.4 2008 0.5 0.9 0.2 -2.2 -2.2 -3.7 -3.9 -5.0 -1.8 -1.9 -1.1 0.3 2009 1.2 0.9 0.8 -2.0 -3.3 -7.2 -9.3 -8.7 -4.8 -3.1 -3.0 -0.6 2010 - - - - -3.0 -2.6 - -5.0 - - -0.2 -0.8 2011 0.1 1.5 - -4.7 -2.8 -7.5 - - -6.3 -2.0 -1.2 - 2012 - - - -4.0 -2.8 -6.7 -5.4 -5.1 -5.7 -4.0 -2.7 -1.9 2013 0.1 0.2 0.5 0.6 -3.7 -3.9 -6.0 -8.1 -5.0 -3.3 -2.3 -1.9 2014 -0.5 -0.6 -1.1 -1.3 -3.1 -5.0 -3.0 -4.9 -4.7 -3.0 - -0.8 2015 0.1 0.8 0.1 -0.8 -2.7 - -7.4 -6.4 - -3.1 -2.1 - 2016 - 0.2 0.4 - -2.4 -2.2 - -6.2 - - - - 2017 - 1.1 0.6 -1.8 -2.5 -5.8 -4.7 - -4.8 -3.3 -1.9 - 2018 0.6 1.5 0.6 -0.9 -2.0 -4.7 - -4.1 -3.5 -2.6 -0.8 0.4 2019 0.4 -0.1 0.2 -1.0 -3.7 -4.3 -4.4 -4.8 -4.7 -3.1 -0.9 -0.6 2020 1.6 1.7 0.6 -0.6 -2.5 -3.3 -4.0 -8.0 -4.8 -3.7 -0.8 0.0 2021 1.0 1.4 0.8 -0.8 -2.3 -2.6 -4.5 -5.0 -2.0 -1.1 -0.6 0.2 2022 0.3 0.5 -0.8 -1.7 -3.6 -3.6 -4.7 -3.4 -2.7 - -0.7 -0.5 2023 1.3 0.4 0.4 -0.6 -1.1 -4.6 -4.0 -4.8 -6.1 -4.1 -2.3 -1.6 2024 -2.7 -2.1 -0.2 -1.1 - - - - - - - -