MPA 00Z 850hPa temperature 1987 - - - - - - - - - - - -0.1 1988 -0.1 4.0 5.6 -1.7 -0.2 -3.8 -1.0 -5.3 -3.0 -4.1 -0.4 0.8 1989 2.4 2.9 2.1 -0.8 -2.9 -2.0 -0.7 -3.0 -4.1 -0.3 1.3 3.3 1990 - 5.0 1.0 -3.5 -2.3 -2.9 -0.3 -3.6 -3.3 -0.4 -1.5 -0.6 1991 5.0 2.9 2.0 0.5 -1.8 -7.0 -2.4 -2.8 -3.5 -3.0 -0.5 0.6 1992 5.4 1.2 2.5 4.3 -3.3 -5.0 -3.8 -2.6 -1.8 -1.4 -1.0 3.8 1993 -0.6 2.8 2.6 -0.1 -0.1 -1.9 -3.6 -2.3 -3.0 -1.3 2.0 0.4 1994 2.6 0.6 0.9 -0.8 -4.4 -4.1 -4.8 -1.3 -2.7 -3.6 1.1 1.1 1995 3.3 2.2 - 2.7 -1.1 -5.3 -6.9 -7.1 - 0.1 -0.1 1.4 1996 1.3 2.4 3.2 0.3 0.2 -4.1 -3.4 -2.1 -0.3 -0.8 1.4 0.8 1997 3.7 0.8 3.8 0.3 -0.9 -2.7 -3.5 -4.4 - - - - 1998 2.0 2.2 3.5 2.6 -1.1 -1.7 -1.4 -3.1 -4.2 -0.8 0.2 0.0 1999 2.6 1.6 0.9 2.5 -1.6 -3.7 -3.4 -2.8 -4.1 -1.3 2.2 1.7 2000 3.0 3.6 3.4 0.8 -2.0 -3.4 -4.5 -4.9 -7.0 -2.3 -0.7 -0.9 2001 2.5 2.1 0.9 -1.5 -1.1 -3.9 -6.1 -2.1 -3.0 0.4 1.7 1.7 2002 3.3 4.8 -1.5 0.6 -4.7 -5.5 -3.9 -3.7 -3.4 -3.0 -1.7 3.0 2003 0.3 3.4 1.6 0.6 0.3 -3.9 -1.8 -1.4 -2.5 -0.9 -1.5 0.1 2004 3.5 5.6 4.9 0.6 -3.3 -1.0 -3.2 -2.2 -2.8 -1.0 -0.5 3.1 2005 1.4 4.6 1.6 -0.4 -1.2 -4.2 -3.9 -4.0 -1.0 -3.0 0.3 -1.0 2006 4.0 3.3 3.0 1.0 1.6 -3.9 -3.5 -3.2 -5.2 0.6 -0.9 2.3 2007 3.2 1.1 0.7 -2.6 -4.8 - - - -1.1 -0.4 -3.3 1.6 2008 3.2 4.3 3.8 -2.1 -1.7 -3.1 -3.5 -5.7 -0.7 0.0 -1.0 3.0 2009 2.7 2.6 2.5 -1.2 -2.0 -1.8 -4.2 -3.8 -2.5 -1.2 -3.5 1.1 2010 2.3 -0.1 2.3 1.5 0.5 -2.0 -4.0 -1.9 -2.9 -0.5 0.0 0.0 2011 3.3 5.7 3.9 -1.7 0.3 -3.0 -5.1 -5.0 -3.1 -2.0 1.6 4.0 2012 4.2 0.0 1.5 -1.6 -1.5 -5.2 -5.2 -0.8 -1.2 -1.7 0.9 -0.5 2013 2.9 2.0 1.4 4.8 -2.0 -1.0 -3.1 -5.7 -3.5 -0.9 -1.6 -2.2 2014 0.0 2.9 0.7 -0.2 -0.8 -0.8 -3.0 -2.4 -2.6 -1.2 -1.0 0.1 2015 0.9 2.0 3.9 0.4 0.4 -4.0 -4.1 -4.1 -5.0 -2.2 -0.4 -0.4 2016 0.9 3.2 4.3 -1.2 -0.5 0.0 -4.2 -4.4 -1.4 0.6 0.2 0.5 2017 1.8 5.3 1.2 0.1 0.8 -5.2 -1.9 -3.9 -2.2 -1.2 -0.3 1.0 2018 3.8 4.7 2.1 0.0 -2.6 -2.6 -3.7 -1.9 -3.3 -3.0 0.5 2.7 2019 1.2 0.0 2.0 -1.1 -1.8 -1.6 -3.9 -4.5 -4.1 -1.1 0.7 0.3 2020 2.8 4.2 4.2 2.4 -1.5 -4.0 -8.3 -4.2 -2.1 -0.5 - 1.9 2021 3.7 5.3 2.0 4.4 -1.2 0.9 - -4.0 -0.3 -0.8 0.6 3.8 2022 2.3 1.6 - -0.6 -0.2 -2.6 -5.1 -2.4 -1.7 0.1 2.9 3.1 2023 3.6 2.8 1.9 0.7 0.2 -2.5 -4.8 -4.1 -3.6 -2.3 -0.1 0.5 2024 3.3 5.3 1.0 1.4 - - - - - - - -