Neumayer 12Z 200hPa temperature 1983 - - -48.2 -52.1 -61.5 -69.1 -70.4 -73.1 -70.8 -69.8 -60.0 -48.8 1984 -46.7 -45.6 -48.7 -54.6 -61.0 -67.8 -72.0 -72.5 -70.5 -68.7 -61.9 -46.8 1985 -44.1 -45.2 -47.6 -50.5 -58.0 -67.7 -70.5 -73.4 -70.4 -68.5 -62.9 -47.9 1986 -47.0 -47.1 -47.5 -51.5 -61.5 -67.3 -72.1 -70.4 -72.3 -67.1 -63.5 -49.5 1987 -45.7 -46.1 -47.2 -54.3 -58.2 -69.4 -71.4 -72.7 - - - - 1988 -44.0 -43.4 -49.0 -51.5 -59.7 -64.6 -70.5 -72.1 -69.9 -67.1 -55.2 -42.9 1989 -44.9 -42.9 -46.4 -54.0 -59.0 -67.8 -70.7 -70.9 -72.2 -70.6 -62.4 -55.2 1990 - - -46.0 -52.8 -62.1 -70.7 -71.9 -72.8 -73.3 -68.4 -64.3 -57.2 1991 -46.3 -47.3 -48.7 -55.6 -63.3 -67.9 -70.5 -73.7 -71.7 -69.0 -63.7 -48.0 1992 -44.8 -47.1 -48.5 -52.7 -62.4 -67.4 -70.5 -72.3 -72.8 -69.2 -63.0 -53.4 1993 -48.0 -46.0 -49.4 -55.5 -60.1 -68.7 -70.9 -73.1 -73.0 -73.0 -67.9 -55.7 1994 -47.1 -47.0 -48.7 -52.2 -62.2 -67.1 -72.4 -72.1 -73.9 -71.7 -66.3 -47.6 1995 -45.0 -44.6 -49.4 -53.0 -59.2 -69.1 -72.2 -72.7 -73.5 -71.8 -67.3 -54.4 1996 -46.9 -48.4 -49.0 -53.5 -60.6 -67.9 -70.4 -72.2 -73.0 -69.9 -67.2 -58.3 1997 -45.0 -47.4 -47.2 -53.0 -59.3 -67.0 -71.4 -72.2 -72.3 -72.0 -65.0 -52.0 1998 -47.7 -47.8 -48.3 -54.7 -62.0 -66.7 -72.6 -74.1 -74.0 -70.2 -66.9 -57.2 1999 -49.0 -47.9 -48.6 -53.1 -57.7 -67.6 -73.6 -73.8 -72.6 -71.2 -69.0 -59.4 2000 -48.7 -46.9 -47.2 -53.3 -61.1 -67.4 -70.9 -73.9 -72.1 -69.4 -61.7 -50.4 2001 -46.4 -45.1 -48.6 -53.2 -63.5 -68.2 -71.7 -73.9 -73.2 -70.3 -64.4 -57.2 2002 -49.0 -46.3 -50.2 -51.2 -61.2 -64.8 -69.3 -74.0 -67.2 -64.3 -55.8 -46.4 2003 -47.1 -48.1 -48.4 -52.3 -62.1 -67.3 -70.6 -73.7 -73.7 -71.0 - -50.5 2004 -46.6 -46.5 -49.0 -51.5 -60.4 -67.4 -72.0 -75.5 -75.3 -69.1 -65.0 -54.6 2005 -46.5 -45.6 -48.0 -55.5 -59.6 -70.1 -72.3 -74.5 -72.5 -71.0 -63.0 -51.2 2006 -46.0 -47.9 -50.5 -52.7 -59.3 -67.7 -70.0 -72.4 -75.7 -70.9 -69.8 -58.8 2007 -49.6 -48.1 -49.1 -55.0 -60.9 -66.3 -73.6 -71.6 -74.6 -71.8 -64.5 -52.8 2008 -47.8 -46.3 -46.8 -54.1 -60.4 -64.6 -69.1 -72.3 -73.7 -71.1 -66.0 -58.4 2009 -48.4 -47.2 -47.4 -52.5 -58.2 -66.1 -69.9 -73.6 -73.6 -69.1 -63.6 -53.9 2010 -48.1 -46.4 -48.6 -54.6 -64.1 -69.4 -71.8 -74.6 -74.1 -70.2 -65.5 -57.1 2011 -49.4 -44.9 -48.8 -53.8 -59.1 -65.2 -70.5 -71.8 -73.3 -69.3 -66.7 -54.7 2012 -51.3 -46.7 -49.2 -51.5 -60.2 -69.2 -70.9 -73.6 -73.7 -70.6 -57.8 -49.1 2013 -46.7 -44.9 -46.3 -53.2 -60.8 -69.4 -69.5 -74.0 -73.8 -68.9 -54.0 -48.5 2014 -48.0 -48.4 -49.0 -52.7 -61.3 -66.5 -72.4 -72.3 -73.1 -69.7 -65.1 -49.9 2015 -47.1 - -48.1 -53.3 -62.3 -66.8 -72.8 -73.4 -75.2 -73.2 -67.1 -59.8 2016 -49.7 -46.1 -47.7 -56.0 -61.5 -65.2 -72.1 -73.5 -72.2 -69.1 -61.5 -48.3 2017 -46.5 -45.0 -47.6 -52.4 -60.1 -70.1 -71.2 -73.4 -75.3 -72.5 -53.2 -49.2 2018 -45.8 -46.1 -50.4 -57.5 -62.8 -69.4 -72.0 -73.2 -74.4 -70.7 -65.2 -50.0 2019 -47.4 -47.7 -49.5 -55.5 -63.5 -67.1 -71.6 -73.3 -70.9 -71.6 -58.4 -49.3 2020 -46.1 -44.6 -47.8 -55.8 -60.5 -66.4 -71.4 -73.4 -73.5 -72.4 -66.3 -62.0 2021 -50.0 -48.1 -47.7 -52.9 -59.9 -66.3 -71.2 -74.2 -73.5 -72.4 -67.9 -58.0 2022 -50.8 -47.3 -48.9 -53.5 -60.8 -69.7 -71.3 -72.9 -74.4 -72.6 -68.1 -59.0 2023 -49.9 - - - - - - - - - - - 2024 - - - - - - - - - - - -