Mcmurdo 12Z 100hPa temperature 1956 - - - - - - - - - - - - 1957 - - - -60.3 -64.8 -69.6 -76.7 -78.9 -76.0 -62.8 -37.9 -39.5 1958 - - -46.5 -57.2 -62.7 -70.6 -75.8 -77.6 -75.6 -63.8 -47.2 -37.3 1959 -39.3 -41.4 - - -62.7 -72.9 -77.1 -78.3 -77.3 -69.4 -59.7 -42.5 1960 -41.4 -42.0 - - - - - - - - - - 1961 -38.9 -43.0 -47.3 -54.9 -64.4 -71.3 -78.0 -80.1 -77.1 -69.0 -57.1 - 1962 -39.9 -43.3 -45.9 -53.8 -66.1 -73.6 -76.4 -79.0 -74.8 -64.7 -41.0 - 1963 -37.9 -40.8 - - - - - - - - -46.6 -39.2 1964 -40.5 -42.6 - - - - - - - -55.5 -37.3 -39.6 1965 -40.0 -44.0 - - - - - - - -66.9 -45.8 -39.2 1966 -39.9 -43.0 - - - - - - - - -50.1 -37.7 1967 -40.4 -42.9 - - - - - - - -58.2 -42.6 -40.9 1968 -39.7 -40.9 - - - - - - - -59.4 -38.7 -37.0 1969 -39.7 -40.5 - - - - - - - -69.8 -50.0 -39.9 1970 -41.0 -41.8 - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - -39.5 -39.6 1974 -42.1 -41.8 - - - - - - - -63.7 -39.5 -37.8 1975 -39.2 - - - - - - - - -70.8 -51.1 -39.2 1976 -40.5 -40.4 - - - - - - - - -40.4 -41.2 1977 -40.2 - - - - - - - - -65.2 -41.0 -38.4 1978 -38.4 -40.8 - - - - - - - -58.9 -44.6 -41.3 1979 -40.5 - - - - - - - - - -49.4 -39.5 1980 -40.1 -39.5 - - - - - - - -69.4 -53.0 -37.7 1981 -39.7 -42.6 - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - -48.0 -41.5 1984 -42.0 -42.3 - - - - - - - -62.0 -49.1 -40.5 1985 -40.5 -41.2 - - - - - - - - -56.2 -44.8 1986 - -44.5 - - - - - - - - -37.7 - 1987 -41.8 -42.0 - - - - - - - -75.6 -67.8 -40.5 1988 -39.5 -41.6 - - - - - - - -60.2 -38.6 -38.8 1989 -39.4 -42.0 - - - - - - - -70.6 -58.3 -42.0 1990 -40.2 -42.2 - - - - - - - - - -37.5 1991 - -42.6 - - - - - - - -66.5 - -39.8 1992 - -43.5 - - - - - - - -65.3 -58.8 -41.6 1993 -40.8 - - - - - - - - - -54.6 -41.5 1994 -41.8 - -47.0 -57.0 - - - - - - -42.7 -38.4 1995 -40.1 -42.2 - - - - - - - - -62.5 -45.7 1996 -41.4 -43.1 - - - - - - - -71.3 -61.1 -44.2 1997 -40.3 -43.6 - - - - - - - -75.5 -63.7 -47.3 1998 -40.3 -43.7 - - - - - - - -69.6 -59.8 -50.6 1999 -43.5 -43.5 - - - - - - - -72.2 -65.9 - 2000 -44.4 -42.7 - - - - - - - -59.9 -42.9 -41.1 2001 -42.2 -42.8 - - - - - - - -73.2 -68.0 -50.4 2002 -42.0 -41.7 - - - - - - - -57.3 -42.6 -43.2 2003 -42.9 -43.4 - - - - - - - -68.9 -54.7 -44.1 2004 -42.1 -43.8 - - - - - - - -64.4 -54.5 -40.7 2005 -42.0 -42.6 - - - - - - - -66.0 -46.6 -47.4 2006 -41.5 -42.5 - - - - - - - -75.0 -68.5 -42.8 2007 -44.8 -42.4 - - - - - - - -65.5 -61.7 -49.7 2008 -40.7 -41.0 - - - - - - -81.1 -72.6 -64.8 -47.8 2009 -40.5 -43.5 - - - - - - - -66.7 -60.2 -38.6 2010 -41.5 -42.8 - - - - - - - -71.9 -69.1 -52.4 2011 -41.5 -43.7 - - - - - - - -74.7 -58.6 -46.1 2012 -40.3 -43.1 - - - - - - - -55.6 -43.0 -40.2 2013 -40.9 -42.3 - - - - - - - -62.8 -53.6 -40.0 2014 -41.8 -42.7 - - - - - - - -65.6 -49.3 -46.1 2015 -41.4 -42.4 - - - - - - - -79.3 -70.0 -49.2 2016 -42.1 -43.4 -48.9 -55.9 -63.8 -73.8 -80.3 -80.8 -76.4 -63.8 -42.4 -40.5 2017 -41.5 -42.9 - - - - - - - -62.7 -52.5 -42.1 2018 -42.0 -43.8 - - - - - - - -76.2 -62.5 -45.3 2019 -42.0 -43.1 - - - - - - -65.1 -52.4 -41.0 -41.3 2020 -41.2 -42.1 - - - - - - - -76.4 -71.9 -55.9 2021 - -43.2 -46.9 - - - - -82.8 - -76.3 -68.8 -52.2 2022 -44.5 -42.8 - - - - -79.5 -80.2 - -77.0 -66.9 -46.9 2023 -42.8 -43.3 - - - - - -80.3 -79.0 -71.1 -66.6 -51.1 2024 -42.9 -43.7 -48.0 -56.6 - - - - - - - -