Amundsen_scott 12Z 500hPa temperature 1961 -36.0 -37.1 -40.7 -40.2 -40.7 -41.6 -46.1 -43.7 -42.8 -42.3 -39.4 -38.9 1962 -37.1 -37.0 -42.1 -41.5 -43.0 -42.2 -46.0 -45.4 -43.3 -42.6 -39.5 -38.5 1963 -35.3 - - - - - - - - - -39.8 -36.7 1964 -35.7 - - - - - - - - - -39.7 -37.8 1965 - - - - - - - - - - -39.7 -36.2 1966 -35.6 - - - - - - - - - -37.7 -35.2 1967 -32.2 -35.8 - - - - - - - - -39.1 -35.6 1968 -35.9 -35.4 - - - - - - - - -38.8 -37.6 1969 -35.3 -38.9 - - - - - - - -39.7 -39.9 -36.9 1970 -33.9 -36.8 - - - - - - -43.3 - -40.8 -36.7 1971 -32.9 -37.2 - - - - - - - -42.4 -38.3 -35.6 1972 -34.3 -37.3 - - - - - - - -40.6 -38.7 -36.9 1973 -34.9 -39.2 - - - - - - - -41.2 -37.1 -38.6 1974 -34.8 -36.5 - - - - - - - -41.1 -38.2 -35.1 1975 -35.9 - - - - - - - - -42.7 -39.3 -35.2 1976 -34.6 - - - - - - - - -44.9 -39.6 -34.3 1977 -32.5 -38.7 - - - - - - - -43.4 -41.5 -37.7 1978 -36.7 -36.8 - - - - - - - -41.2 -38.2 -34.8 1979 -33.4 -36.2 - - -43.5 -42.3 - - - -42.7 -38.8 -35.8 1980 -33.8 - - - - - - - - -40.7 -36.0 -35.6 1981 -33.8 -36.1 - - - - - - - -39.9 -39.9 -33.4 1982 -34.3 - - - - - - - - -43.4 -35.8 - 1983 -35.9 -37.2 - - - - - - - - -37.6 -35.4 1984 -33.0 -37.1 - - - - - - - - -39.2 -35.8 1985 -33.5 -39.4 - - - - - - - - -39.9 -37.2 1986 -32.4 -35.1 - - - - - - - -42.1 -39.4 -36.2 1987 -32.4 -36.8 - - - - - - - - -38.0 -35.9 1988 -34.4 -36.9 - - - - - - - - -38.0 -36.7 1989 -34.5 -35.2 - - - - - - - - -37.1 -34.5 1990 -34.2 -37.3 - - - - - - - -40.9 -31.4 -33.7 1991 -33.3 -34.2 - - - - - - - -42.0 -39.3 -32.9 1992 -34.7 -36.2 - - - - - - - -39.5 -38.8 -35.7 1993 -33.9 -38.5 - - - - - - - -41.6 -37.8 -36.6 1994 -34.4 -38.0 - - - - - - - -42.4 -38.4 -36.4 1995 -37.2 -37.1 - - - - - - - - -37.2 -35.7 1996 -35.0 -34.4 - - - - - - - - -37.1 -34.9 1997 -35.1 -38.2 - - - - - - - - -35.8 -36.4 1998 -33.6 -33.4 - - - - - - - - -37.4 -35.0 1999 -30.5 -34.3 - - - - - - - -39.4 -38.0 -36.2 2000 -35.5 -36.0 - - - - - - - -41.7 -35.6 -34.9 2001 -34.5 -33.2 - - - - - -42.9 - -41.6 -36.9 -33.5 2002 -32.8 -35.9 - - - - - -44.1 - -39.8 -38.8 -36.7 2003 -32.8 -35.2 - - - - - - -41.7 -41.2 -38.6 -33.7 2004 -33.0 -37.1 - - - - - - - -40.4 -40.7 -34.8 2005 -32.1 -33.9 - - - - - - - -40.3 -39.8 -33.2 2006 -34.9 -36.5 - - - - - - - -42.2 -37.1 -38.7 2007 -32.8 -38.0 - - - - - - - -41.6 -38.2 -36.1 2008 -36.3 -38.7 - - - - - - -41.2 -41.5 -39.5 -36.6 2009 -35.1 -38.1 - - - - - -45.1 - -41.8 -37.8 -35.5 2010 -34.1 -35.8 - - - - - -41.8 -43.3 -39.8 -39.2 -34.6 2011 -33.8 -34.3 - - - - - -38.2 - -40.6 -34.8 -34.3 2012 -35.6 -36.9 - - - - - -44.7 - -40.6 -37.8 -34.7 2013 -33.3 -38.4 - - - - - - - -41.3 -39.1 -35.6 2014 -34.9 -38.7 - - - - - - - -41.6 -39.0 -35.5 2015 -34.7 -35.5 - - - - - -45.6 - -41.5 -38.7 -35.9 2016 -35.0 -35.1 - - - - - -42.3 - -41.8 -36.4 -35.8 2017 -33.8 -36.2 - - - - - - - -38.5 -38.1 -36.5 2018 -33.0 -37.0 - - - - - - - - -37.2 -32.4 2019 -35.2 -35.4 - - - - - - - -41.8 -36.8 -35.6 2020 -34.6 -35.4 - - - - - - - - -38.3 -36.5 2021 - -36.8 -38.8 - - - - - - -41.1 -37.6 -36.7 2022 -33.9 -34.1 - -41.8 - -41.3 - -42.1 - -39.1 -39.6 -35.4 2023 -35.5 -36.7 - - - - - -46.3 -41.5 -42.8 -39.7 -35.1 2024 -35.4 -35.8 -39.8 - - - - - - - - -