Mcmurdo 00Z 200hPa temperature 1956 - - - - - - - -72.4 -68.9 -66.8 - - 1957 - - - -53.6 -57.7 -62.3 -69.1 -71.1 -70.5 -65.8 -44.9 -42.2 1958 - - -44.7 -52.9 -57.7 -65.9 -68.2 -71.2 -72.0 -66.2 -56.7 -45.2 1959 -43.3 -42.2 - - -55.6 -67.0 -70.6 -71.5 -73.2 -67.7 -65.8 -52.2 1960 -45.7 -43.2 - - - - - - - - - - 1961 -40.6 -44.4 -46.1 -50.1 -58.7 -64.6 -70.6 -71.8 -71.8 -69.2 -63.2 - 1962 -44.9 -45.0 -44.9 -52.1 -60.2 -66.2 -69.5 -74.1 -72.2 -65.6 -49.8 -40.5 1963 -40.1 -40.6 -44.6 -50.2 -59.7 -63.7 -70.5 -74.3 -70.9 -68.8 -60.2 -47.9 1964 -40.6 -42.3 -46.3 -54.9 -59.6 -70.4 -70.2 -71.8 -69.1 -63.9 -47.6 -42.8 1965 -41.0 -43.3 -43.7 -52.7 -58.3 -65.5 -69.7 -71.5 -73.2 -68.1 -58.4 -47.5 1966 -42.6 -43.6 -44.6 -51.3 -58.4 -65.2 -68.2 -73.1 -72.4 -68.9 -56.6 -41.2 1967 -41.7 -43.8 -45.4 -54.0 -59.5 -66.1 -69.3 -71.6 -69.4 -65.8 -52.4 -43.7 1968 -40.5 -41.0 -46.0 -50.8 -59.2 -66.5 -70.3 -72.5 -70.7 -66.2 -45.5 -40.2 1969 -41.5 -41.2 -45.8 -50.3 -57.6 -64.6 -66.8 -73.2 -72.4 -69.4 -60.7 -48.3 1970 -43.8 -42.8 -44.0 -50.3 -56.6 -66.5 -69.9 -70.8 -71.2 -65.4 -58.9 -47.3 1971 -41.4 -41.9 - - -57.0 -62.5 -69.7 -73.0 -73.6 -65.9 -59.9 -44.6 1972 -41.9 -41.4 -44.6 -51.6 -60.7 -65.5 -68.2 -70.7 -72.7 -66.4 -58.7 -46.8 1973 -41.9 -42.7 -46.1 -53.2 -58.0 -65.6 -69.6 -73.4 -72.2 -69.7 -54.3 -46.6 1974 -42.9 -43.3 -45.6 -49.0 - - - - -68.6 -65.9 -48.6 -40.7 1975 -39.1 -40.5 -43.9 -48.5 -59.1 -65.4 -68.6 -71.7 -71.1 -69.7 -60.0 -43.7 1976 -41.1 -41.9 -44.5 -50.9 -57.8 -65.5 -71.4 -71.9 -71.9 -64.5 -54.4 -45.9 1977 -41.0 -41.8 -46.4 -53.0 -58.4 -62.7 - -72.3 -71.8 -68.3 -52.1 -42.4 1978 -40.7 -42.7 -45.7 -50.6 -58.1 -65.6 -71.3 -72.3 -73.0 -65.0 -53.9 -45.4 1979 -42.4 -42.3 -44.9 -51.6 -60.6 -67.5 -70.4 -72.9 -73.3 -69.0 -59.3 -41.4 1980 -40.8 -40.6 -43.2 - -58.9 -60.4 -70.0 -71.2 -70.5 -68.3 -57.9 -43.3 1981 -42.7 -43.2 -45.7 - -55.5 -64.0 - - - - - - 1982 - - - -52.0 -62.0 -66.4 -67.6 - - - -63.7 -47.2 1983 - - - - -62.5 -66.1 -72.4 - - - - -47.0 1984 -41.8 -42.6 -44.2 - -60.3 -66.0 -69.1 -71.8 -71.5 -63.8 -56.7 -47.2 1985 -43.6 -42.1 -46.6 -50.5 -60.0 -60.3 -70.6 -74.2 -71.5 -68.3 -60.2 -53.6 1986 - -43.3 - - - - - - - -68.9 -49.7 -44.5 1987 -43.7 -41.2 -48.2 -53.7 -62.5 - - - -74.1 -71.0 -65.6 -47.4 1988 -41.4 -41.7 -45.9 -53.3 -61.7 -68.1 -72.0 -73.1 -70.7 -65.6 -52.8 -42.6 1989 -41.7 -42.4 -45.4 -51.8 -59.3 -67.3 -72.3 -71.9 -73.2 -66.6 -61.1 -46.4 1990 -43.0 -41.2 -46.3 -52.9 -61.9 -65.6 - -71.5 -68.4 -68.3 - -45.4 1991 -40.9 -41.8 - -50.0 -57.1 -64.2 - -70.8 -68.3 -65.3 -49.2 -45.5 1992 -41.3 -43.2 -46.5 -54.1 -58.7 - -70.7 -73.7 -71.6 -65.3 -62.0 -49.9 1993 -43.5 -42.2 -44.9 -51.7 -62.1 -68.2 -69.6 -72.4 -73.8 -71.0 -61.3 -49.6 1994 -44.2 -43.7 - - - -64.5 -71.6 -72.3 - -67.3 -51.6 -47.4 1995 -42.7 -42.3 - -50.8 -57.8 -63.8 -67.4 - - -70.0 -61.4 -53.4 1996 -45.2 -45.0 - -50.4 - - - -72.0 -68.4 -67.8 -61.5 -49.1 1997 -42.8 -43.8 -44.7 - - - - - -71.6 -69.6 -62.7 -50.3 1998 -41.7 -43.7 - -51.2 -57.6 -63.8 - -71.1 - -68.3 -62.3 -55.3 1999 -48.1 -45.2 -45.8 -53.3 -60.4 -68.1 -71.1 -74.5 -73.0 -68.9 -65.6 -56.8 2000 -47.9 -44.8 -47.4 -55.4 -62.5 -65.1 -70.1 -72.5 -71.8 -64.5 -55.6 -45.8 2001 -43.7 -43.9 -45.2 -52.7 -57.9 -64.8 -70.6 -70.6 -72.8 -68.9 -66.1 -58.0 2002 -46.2 -43.8 -47.2 -52.0 -59.6 -66.1 -67.5 -68.9 -63.8 -57.6 -45.0 -44.5 2003 -43.6 -43.7 -44.3 -50.9 -62.0 -67.5 -71.7 -73.0 -72.7 -66.8 -60.3 -47.8 2004 -45.5 -46.5 -46.0 -49.8 -54.3 -66.8 -69.0 -73.2 -72.3 -66.0 -57.1 -46.0 2005 -43.4 -43.7 -46.4 -50.5 -59.5 -63.8 -71.1 -73.9 -70.6 -64.6 -53.9 -51.1 2006 -43.5 -43.2 -46.0 -49.5 -58.0 -65.3 -70.1 - -73.3 -70.3 -68.0 -51.4 2007 -48.4 -43.1 -46.8 -50.4 -60.7 -65.4 -69.1 -72.6 -72.4 -65.7 -61.8 -53.4 2008 -45.4 -42.4 -46.3 -51.7 -55.5 -67.0 -68.6 -72.2 -72.9 -69.7 -63.8 -52.9 2009 -43.9 -44.3 -44.0 -51.5 -57.9 -65.1 -70.6 -72.1 -71.7 -66.1 -62.1 -46.4 2010 -44.0 -43.0 -46.3 -52.4 -61.0 -67.3 -72.1 -72.6 -73.8 -67.7 -65.6 -55.8 2011 -46.0 -45.1 -47.0 -52.5 -59.9 -66.3 -70.6 -73.0 -72.6 -68.2 -61.6 -52.2 2012 -43.9 -43.5 -44.0 -50.3 -59.5 -67.2 -71.4 -73.5 -72.8 -62.4 -54.2 -42.2 2013 -42.7 -43.0 -45.4 -51.7 -62.2 -67.5 -71.2 -72.8 -70.8 -64.1 -58.5 -43.3 2014 -45.1 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - -46.7 -50.9 -60.1 -66.1 -72.3 -72.7 -71.5 -66.1 -58.5 -48.0 2018 -42.0 -44.4 -47.4 -51.7 -58.4 -67.5 -71.5 -73.5 -72.7 -70.7 -63.5 -53.4 2019 -46.4 -44.7 -47.5 -52.0 -61.3 -65.2 -72.5 -73.9 -66.2 -59.0 -47.6 -45.7 2020 -42.8 -42.7 -45.7 -50.1 -58.6 -65.6 -71.5 -73.2 -74.4 -70.3 -66.7 -58.3 2021 -48.7 -43.9 -46.6 -50.7 -57.1 -66.2 -72.9 -74.9 -73.5 -70.7 -67.7 -58.6 2022 -50.3 -44.0 -47.1 -52.3 -61.5 -67.0 -70.2 -73.6 -73.0 -72.0 -64.7 -56.1 2023 -47.3 -44.8 -46.9 -53.0 -62.7 -66.1 -69.2 -72.5 -71.5 -68.4 -65.8 -56.1 2024 -48.4 -45.8 -46.2 -53.5 - - - - - - - -