Neumayer 12Z 150hPa temperature 1983 - - -47.8 -52.9 -62.5 -69.6 -72.7 -75.6 -73.5 -71.6 -59.3 -45.7 1984 -45.2 -44.9 -48.0 -54.1 -61.9 -68.8 -73.5 -75.3 -73.5 -70.8 -61.7 -45.6 1985 -43.3 -44.4 -47.6 -51.2 -59.5 -69.1 -71.8 -76.7 -73.1 -70.8 -64.3 -46.5 1986 -45.3 -45.7 -47.0 -52.0 -61.6 -68.4 -73.4 -72.5 -74.9 -68.0 -64.4 -48.3 1987 -43.6 -45.0 -46.3 -53.8 -59.4 -70.0 -74.0 - - - - - 1988 -42.6 -43.0 -47.9 -52.1 -60.0 -66.8 -73.2 -74.4 -72.2 -68.4 -53.5 -41.2 1989 -43.1 -43.2 -46.9 -54.2 -59.8 -68.1 -72.8 -73.7 -74.5 -72.8 -61.6 -54.3 1990 - - -46.2 -53.7 -62.8 -71.0 -74.4 -75.7 -76.2 - -64.9 -57.1 1991 -45.6 -46.3 -48.8 -54.9 -63.5 -68.9 -72.6 -76.5 -75.6 -71.4 -63.1 -45.9 1992 -44.0 -45.7 -48.6 -53.7 -62.3 -68.9 -72.4 -75.5 -76.5 -72.2 -63.1 -51.9 1993 -46.4 -45.2 -48.8 -55.6 -61.8 -70.3 -73.9 -76.7 -76.0 -75.6 -70.3 -53.8 1994 -45.5 -45.9 -49.1 -52.2 -62.5 -68.3 -74.5 -75.7 -78.4 -74.3 -67.7 -45.8 1995 -44.1 -44.1 -49.0 -53.6 -60.0 -69.3 -74.6 -75.4 -76.3 -75.1 -69.6 -53.4 1996 -45.4 -47.5 -49.0 -54.1 -61.9 -69.7 -73.2 -75.5 -75.8 -72.6 -69.4 -58.1 1997 -44.3 -46.0 -48.1 -53.5 -60.1 -68.5 -72.7 -75.0 -74.4 -74.7 -66.3 -49.4 1998 -46.2 -46.7 -48.4 -54.7 -62.7 -68.8 -74.9 -77.3 -77.5 -73.4 -68.1 -56.4 1999 -47.2 -47.0 -49.3 -54.1 -58.8 -68.9 -75.7 -77.0 -75.7 -74.3 -70.7 -58.9 2000 -46.4 -46.7 -48.6 -53.7 -61.4 -69.1 -73.9 -77.1 -75.3 -72.7 -62.9 -47.6 2001 -45.2 -45.3 -48.4 -53.7 -63.7 -69.4 -73.3 -77.3 -76.8 -73.6 -66.1 -56.1 2002 -47.0 -45.5 -49.8 -51.8 -61.1 -66.3 -71.6 -76.9 -69.8 -65.7 -54.8 -45.3 2003 -46.4 -46.6 -48.0 -53.5 -62.6 -68.7 -73.9 -77.3 -77.4 -74.2 - -49.4 2004 -45.4 -45.6 -48.6 -52.0 -61.6 -68.6 -73.2 -78.2 -77.1 -71.6 -65.6 -54.2 2005 -45.1 -44.9 -48.2 -54.4 -61.0 -70.6 -74.5 -77.6 -75.7 -74.9 -63.3 -49.3 2006 -45.4 -46.9 -49.2 -53.4 -60.9 -68.7 -72.2 -75.6 -79.1 -74.3 -71.1 -57.8 2007 -47.6 -46.5 -48.6 -54.9 -61.9 -67.8 -75.3 -74.6 -77.8 -74.2 -64.8 -51.8 2008 -46.0 -46.0 -47.2 -53.8 -61.4 -66.3 -72.2 -76.3 -77.0 -73.8 -67.3 -58.1 2009 -47.7 -46.5 -48.0 -53.3 -60.0 -67.7 -71.4 -76.7 -76.3 -71.5 -64.5 -52.5 2010 -46.7 -45.8 -48.7 -53.8 -64.3 -69.8 -74.2 -77.6 -77.2 -73.1 -66.3 -55.7 2011 -47.9 -45.3 -49.3 -54.5 -60.0 -67.3 -73.7 -75.9 -76.3 -72.4 -68.9 -53.9 2012 -49.5 -45.9 -49.0 -52.4 -61.5 -69.8 -73.3 -77.2 -77.0 -72.3 -56.0 -47.6 2013 -45.3 -44.6 -46.5 -53.9 -61.6 -69.0 -72.0 -77.5 -77.3 -70.6 -52.8 -46.6 2014 -46.3 -46.7 -49.0 -53.6 -61.6 -68.3 -74.7 -76.4 -76.1 -72.5 -65.7 -48.4 2015 -45.3 - -48.4 -53.6 -62.9 -68.5 -74.9 -76.7 -78.1 -76.9 -69.9 -57.7 2016 -46.5 -45.6 -48.2 -55.6 -62.8 -66.6 -74.5 -76.8 -75.3 -71.7 -62.5 -45.8 2017 -45.4 -44.7 -48.2 -52.9 -60.9 -70.6 -73.7 -76.4 -77.3 -74.3 -52.6 -47.9 2018 -45.0 -45.4 -49.7 -56.0 -64.4 -69.9 -74.3 -76.0 -77.2 -74.2 -64.8 -48.0 2019 -46.0 -45.6 -49.1 -55.5 -62.2 -68.5 -74.2 -76.5 -73.5 -72.5 -58.7 -47.5 2020 -44.8 -44.1 -47.8 -56.0 -62.1 -69.1 -74.9 -77.0 -77.5 -75.0 -69.0 -62.3 2021 -47.5 -46.5 -48.1 -54.6 -60.9 -67.8 -74.0 -77.4 -77.4 -75.2 -70.3 -57.6 2022 -47.4 -46.6 -49.2 -53.6 -62.2 -70.7 -74.9 -77.1 -77.4 -76.3 -69.3 -57.9 2023 -48.2 - - - - - - - - - - - 2024 - - - - - - - - - - - -