Mcmurdo 00Z 150hPa temperature 1956 - - - - - - - - -70.8 -66.2 - - 1957 - - - -54.7 -59.4 -64.7 -71.4 -74.4 -72.8 -65.5 -41.3 -40.4 1958 - - -44.6 -52.9 -59.2 -66.6 -71.8 -73.4 -74.0 -66.8 -53.2 -40.7 1959 -40.9 -41.6 - - -57.9 -68.7 -73.1 -74.3 -75.8 -69.1 -64.5 -47.4 1960 -43.3 -42.3 - - - - - - - - - - 1961 -39.8 -43.4 -46.0 -52.4 -60.7 -66.4 -72.5 -75.6 -73.9 -70.0 -61.6 - 1962 -42.6 -44.1 -45.1 -52.5 -62.4 -68.5 -72.5 -76.3 -73.7 -65.5 -46.5 -38.5 1963 -38.9 -40.9 -45.1 -52.0 -62.6 -66.0 - -77.1 -73.6 -69.7 -55.4 -42.4 1964 -40.0 -41.9 -46.6 -56.2 -62.4 -72.2 -73.4 -75.1 -71.2 -62.0 -41.7 -40.8 1965 -40.5 -43.1 -44.5 -53.9 -60.6 -67.3 -72.6 -74.7 -75.6 -69.3 -54.5 -43.4 1966 -41.4 -42.8 -45.5 -51.8 -61.3 -67.0 -70.9 -76.3 -75.2 -69.7 -53.7 -38.6 1967 -41.1 -43.2 -45.9 -55.2 -61.3 -68.7 -72.2 -74.8 -71.9 -63.4 -48.2 -42.0 1968 -40.2 -40.9 -46.5 -52.4 -61.2 -67.8 -73.6 -76.0 -73.4 -65.4 -43.4 -38.5 1969 -40.6 -41.2 -45.7 -51.4 -59.5 -65.9 -69.1 -75.8 -74.0 -70.8 -58.5 -43.7 1970 -42.4 -42.0 -44.5 -51.5 -58.0 -68.9 -72.2 -74.5 -73.4 - - - 1971 - - - - - - - - - - -57.3 -41.4 1972 - - - - - - - - - - - - 1973 - - -45.4 -51.3 - -67.0 -72.1 -75.3 -75.6 - -48.9 -43.2 1974 -42.4 -42.9 -45.6 -50.2 - - - - - -66.7 -45.4 -38.9 1975 -38.9 -40.6 -44.3 -48.3 -61.1 -67.0 -71.3 -74.2 -73.3 -70.5 -58.4 -41.6 1976 -41.0 -41.4 -44.8 -52.1 -59.2 -67.8 -73.8 -75.1 -74.1 -64.1 -50.8 -43.8 1977 -40.4 -41.9 -46.6 -53.9 -60.4 -65.2 - -76.4 -74.0 -67.9 -47.7 -40.3 1978 -39.2 -41.7 -45.5 -51.4 -60.4 -67.6 - -76.1 -75.8 -64.8 -49.7 -43.5 1979 -41.7 - -45.7 -52.8 -61.4 -70.5 -73.8 -77.3 -74.8 -69.3 -54.8 -40.1 1980 -40.7 -40.1 -43.8 - -60.6 -63.9 - -73.8 - -69.3 -55.8 -40.2 1981 -40.9 -43.0 -45.9 - -56.3 -65.7 - - - - - - 1982 - - - - -62.8 - - - - - - -44.5 1983 - - - - -63.8 - - - - - -53.6 -44.8 1984 -41.2 -42.0 -44.7 - -61.9 -66.7 -71.9 -75.5 -74.0 -64.2 -54.6 -44.6 1985 -41.7 -41.7 -46.8 -51.5 -62.3 -62.6 -73.4 -77.4 -75.0 -70.1 -59.6 -51.7 1986 - -43.3 - - - - - - - -70.4 -48.3 -42.9 1987 -43.0 -41.2 -47.5 -54.0 - - - - -78.9 -74.1 -66.8 -44.5 1988 -40.2 -41.3 -46.3 -54.0 - -69.4 -74.1 - -72.6 -65.8 -49.0 -41.4 1989 -40.7 -42.2 -45.7 -52.9 -61.2 -69.5 -74.5 -74.3 -75.6 -69.2 -61.0 -44.8 1990 -41.8 -41.8 -46.9 -53.8 -63.0 -67.5 - -74.8 -71.1 -70.7 - -41.8 1991 -38.0 -41.9 - -50.4 -58.8 -65.1 - - -70.4 -66.8 -44.7 -42.9 1992 -40.6 -43.0 -46.9 -54.4 -61.0 - - - -74.4 -66.1 -61.5 -47.4 1993 -42.0 -42.0 -45.2 -52.7 -64.5 -70.7 -72.6 -75.7 -77.9 -74.0 -59.8 -46.9 1994 -43.2 -43.2 - - - -67.3 -73.0 -76.0 - -69.0 -48.5 -43.7 1995 -41.1 -41.7 - -51.7 -60.6 - - - - -72.4 -60.9 -52.5 1996 -43.6 -43.8 - -53.1 - - - - -71.0 -69.6 -62.4 -47.9 1997 -41.5 -43.6 -45.3 - - - - - -74.9 -70.9 -62.3 -50.3 1998 -41.0 -42.4 - -50.1 -58.1 -64.8 - - - -70.5 -64.0 -54.8 1999 -46.5 -44.5 -46.4 -53.5 -62.2 -69.3 -73.9 -77.7 -76.0 -71.6 -66.8 -55.2 2000 -46.8 -44.1 -47.5 -56.0 -64.2 -67.8 -73.4 -76.3 -75.0 -65.4 -53.6 -44.4 2001 -43.0 -43.3 -46.0 -53.7 -59.8 -66.4 -73.3 -74.1 -76.3 -71.4 -68.3 -57.0 2002 -45.0 -43.4 -47.0 -52.6 -61.4 -67.6 -71.2 -71.7 -63.5 -58.2 -43.7 -44.4 2003 -43.1 -43.7 -44.8 -52.9 -63.4 -69.3 -74.8 -76.7 -75.6 -68.5 -59.9 -45.9 2004 -43.8 -45.3 -46.3 -51.5 -56.1 -68.1 - -76.2 -74.7 -66.8 -56.5 -43.5 2005 -43.1 -43.4 -46.9 -51.4 -61.4 -65.5 -74.1 -77.4 -72.9 -66.2 -52.8 -50.7 2006 -42.2 -42.5 -45.8 -51.4 -59.6 -67.6 -73.2 - -76.9 -72.4 -69.0 -48.9 2007 -47.0 -42.6 -47.0 -51.8 -61.3 -67.6 -71.8 -76.1 -74.6 -66.4 -62.4 -52.7 2008 -43.4 -41.8 -46.6 -53.1 -58.6 -68.8 -72.5 -75.5 -76.2 -71.3 -65.1 -50.8 2009 -42.3 -44.0 -45.2 -53.2 -59.5 -67.6 -72.6 -75.3 -75.0 -67.3 -62.2 -44.0 2010 -43.1 -42.7 -45.7 -53.4 -62.4 -68.4 - -75.9 -76.5 -70.0 -68.0 -55.7 2011 -44.1 -44.3 -46.7 -53.2 -61.6 -68.8 -73.6 -77.5 -75.9 -71.2 -62.0 -51.3 2012 -42.3 -43.1 -44.9 -51.9 -61.0 -68.7 -73.6 -76.4 -75.0 -62.1 -51.2 -41.3 2013 -41.9 -42.4 -45.6 -52.6 -63.1 -69.4 -74.1 -76.7 -73.5 -65.8 -58.0 -42.2 2014 -44.0 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - -47.0 -52.8 -61.8 -68.2 -75.2 -75.5 -74.6 -67.1 -57.3 -46.1 2018 -42.3 -44.0 -48.0 -53.0 -60.5 -69.4 -73.8 -77.6 -75.4 -73.1 -64.4 -51.6 2019 -44.6 -44.2 -47.5 -53.1 - -67.3 -75.1 -77.3 -66.9 -57.8 -44.7 -44.1 2020 -41.5 -42.1 -45.5 -52.3 -60.5 -68.3 -74.2 -77.0 -78.2 -73.2 -69.4 -58.4 2021 -46.5 -43.0 -46.9 -52.1 -59.8 -69.0 -76.6 -78.5 -77.1 -73.4 -68.9 -57.6 2022 -48.4 -43.7 -47.6 -53.3 -63.1 -68.8 -73.6 -76.7 -76.2 -74.8 -66.7 -54.5 2023 -46.2 -44.2 -47.3 -53.8 -63.8 -68.1 -72.5 -76.0 -74.5 -70.2 -66.2 -54.8 2024 -46.3 -44.7 -46.5 -54.4 - - - - - - - -