Palmer 00Z temperature 1978 - - - - - - - - - - - - 1979 1.6 1.3 0.8 -1.0 -5.5 -6.0 -7.1 -7.8 -5.3 -3.7 -1.0 1.0 1980 1.6 1.9 - - -3.7 - - -13.5 - - - - 1981 0.7 - -0.6 -1.5 -4.9 -6.0 -6.0 - -8.0 -6.3 -2.6 - 1982 - -0.5 - -2.5 -2.5 -5.0 -9.7 -7.8 -7.9 -6.0 -2.3 2.2 1983 3.1 1.3 -0.2 -1.1 -1.7 -2.5 -2.8 -4.3 -4.3 -3.2 0.1 1.5 1984 - - - -1.2 -3.7 -6.4 -7.4 -6.9 - - - - 1985 4.6 3.6 0.5 -0.6 -4.0 -4.1 - - - - - 3.2 1986 4.0 3.7 2.4 0.4 -4.5 -4.3 -6.3 -9.1 -7.3 -3.5 -0.3 1.9 1987 2.2 1.0 - - - - - - - -2.2 0.3 - 1988 - 2.8 1.5 -0.4 -1.1 -3.3 - -7.0 - -0.8 1.2 2.1 1989 3.9 3.7 - - - - - -1.9 - - 1.1 3.0 1990 - 4.0 - -2.3 -2.9 -3.1 -2.9 -6.6 - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - -2.5 -4.2 -4.6 -3.9 -5.0 -3.6 0.5 1.4 1994 2.4 - - -1.0 - - - -7.5 - -7.1 0.9 - 1995 - - - -0.5 - -5.6 -8.1 -11.7 - - -1.1 - 1996 - 1.9 - - - - - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 2.7 - - - - - - - - - - 1.1 2002 - - -0.5 0.3 -4.5 -8.4 -8.0 -7.2 -2.4 -4.7 -1.6 1.4 2003 3.5 2.3 0.3 -0.3 -2.7 -4.7 -3.2 -2.0 -4.2 -2.9 -1.0 1.2 2004 2.8 2.0 1.1 -0.1 -2.5 -2.9 -3.2 -6.8 -7.7 -4.3 -0.3 1.4 2005 1.8 1.5 0.5 -1.2 -2.9 -5.5 -5.6 -6.2 -3.2 -2.3 0.0 0.8 2006 2.5 3.0 2.4 - -1.6 -3.0 -4.2 -6.5 -5.7 -1.1 -0.3 2.4 2007 3.0 1.9 -0.2 -2.1 -2.2 -4.4 -6.4 -4.5 -2.2 -3.0 -1.2 1.1 2008 2.3 2.3 1.4 -0.9 -0.9 -2.0 -3.7 -7.1 -1.8 -0.7 0.4 0.8 2009 2.9 2.3 1.8 -1.7 -1.1 -3.9 -6.4 -3.8 -4.9 -3.1 -1.3 1.6 2010 2.0 1.7 0.9 -0.7 -1.8 - - - - - 0.8 1.4 2011 2.3 2.4 1.6 -2.1 -1.6 -3.9 -6.3 -7.8 -5.7 -2.7 -0.1 1.3 2012 1.3 0.9 1.2 -0.9 -0.5 -5.2 -3.5 -3.5 -3.5 -4.5 -1.5 1.4 2013 2.5 1.9 1.1 0.9 -1.7 -3.6 -5.2 -6.3 -7.9 -3.5 -2.3 0.1 2014 1.5 0.8 0.0 -0.4 -1.0 -2.9 -3.9 -5.8 - -3.7 -1.6 0.3 2015 1.6 1.7 0.3 -0.5 -2.6 -6.2 -10.3 -9.5 -9.8 -2.9 - 0.4 2016 1.3 1.2 0.3 -2.6 -2.3 -1.8 -6.9 -8.0 -2.0 -1.3 -0.8 1.5 2017 3.3 3.0 1.7 -1.0 -0.7 -3.4 -4.0 -4.6 -7.6 -3.9 -0.8 1.5 2018 1.9 2.7 1.4 0.0 -2.5 -3.1 -4.9 -7.0 -5.3 -3.1 -0.3 0.5 2019 1.3 0.8 0.9 -0.4 -3.1 -3.3 -4.2 -4.7 -5.6 -3.1 -0.7 0.8 2020 3.3 2.5 0.9 -0.3 -2.2 -2.4 -4.4 -4.8 -4.7 -2.5 0.5 0.8 2021 2.3 2.4 0.6 -0.8 -1.6 -2.9 -3.3 -6.4 -2.0 -0.5 0.4 0.9 2022 2.1 2.2 0.7 -0.3 -0.6 -2.4 -2.7 -1.3 -0.4 -1.6 0.5 1.5 2023 3.0 2.3 1.2 -0.2 -0.6 -2.7 -2.9 -5.6 -4.4 -3.1 -0.9 0.6 2024 1.8 1.6 0.3 -1.3 - - - - - - - -