Mcmurdo 12Z 850hPa wind_speed 1956 - - - - - - - 10.2 22.6 19.4 - - 1957 - - - 19.4 19.5 16.7 20.3 18.7 18.1 24.3 22.5 14.2 1958 - - 21.5 21.0 17.6 23.5 14.4 18.0 26.8 22.3 14.6 20.2 1959 20.5 16.6 19.5 - 18.3 15.0 14.0 16.8 21.6 16.6 17.8 15.1 1960 12.2 10.6 - - - - - - - - - - 1961 15.9 16.7 18.7 20.9 20.2 16.8 15.4 20.6 20.2 19.2 16.4 - 1962 11.6 15.2 10.8 17.1 14.2 12.9 14.7 12.6 13.1 12.7 11.3 15.0 1963 13.7 12.3 - - - - - - - 17.0 15.4 17.9 1964 8.4 12.3 - - - - - - - 13.7 13.2 12.8 1965 13.2 12.6 - - - - - - - 18.0 15.0 16.3 1966 10.7 14.3 - - - - - - - 25.9 20.2 13.7 1967 18.2 25.0 - - - - - - - 11.9 13.5 15.7 1968 11.3 20.4 - - - - - - - 11.9 10.9 9.7 1969 10.4 12.9 - - - - - - - 21.5 23.2 20.2 1970 16.7 22.6 - - - - - - - 16.7 14.7 16.6 1971 14.2 13.2 - - - - - - - 14.2 15.1 12.4 1972 10.7 13.8 - - - - - - - 17.0 18.3 8.9 1973 9.0 12.0 - - - - - - - - 17.5 12.9 1974 11.9 11.8 - - - - - - - 17.9 15.2 14.6 1975 10.4 13.1 - - - - - - - 14.3 16.3 9.1 1976 11.2 4.8 - - - - - - - 9.6 18.3 12.0 1977 8.7 9.5 - - - - - - - 17.3 8.7 8.8 1978 8.7 11.4 - - - - - - - 14.1 10.1 11.0 1979 6.4 8.7 - - 8.0 15.3 - 16.8 - - 13.5 11.9 1980 12.0 - - - - - - - - 24.4 9.9 10.4 1981 16.8 12.9 - - - - - - - - - - 1982 - - - - - - - - - 21.7 - 12.1 1983 - - - - - - - - - - 11.8 10.6 1984 12.4 15.2 - - - - - - - 20.4 15.3 13.6 1985 13.1 8.1 - - - - - - - 23.8 10.2 18.1 1986 - 13.9 - - - - - - - 15.2 15.0 19.9 1987 12.1 10.4 - - - - - - - 13.7 15.4 11.6 1988 12.5 9.5 - - - - - - - 16.9 12.4 9.4 1989 18.4 6.2 - - - - - - - 17.0 23.0 11.9 1990 10.0 11.6 - - - - - - - 16.0 - 14.1 1991 5.8 11.6 - - - - - - - 14.2 16.8 23.7 1992 - 19.2 - - - - - - - 17.3 13.3 15.2 1993 9.9 19.2 - - - - - - - 16.4 15.4 16.8 1994 25.1 17.3 12.3 14.8 - - - - - - 10.7 11.8 1995 20.2 13.8 - - - - - - - 23.9 25.1 12.8 1996 17.7 13.6 - - - - - - 17.7 17.8 13.4 18.4 1997 12.2 10.8 - - - - - - 20.1 18.6 28.9 11.9 1998 8.0 18.0 - - - - - 17.2 - 17.8 16.0 11.1 1999 19.5 13.9 - - - - - - - 18.7 22.5 13.1 2000 14.4 11.9 - - - - - - - 12.6 25.0 13.5 2001 8.3 12.8 - - - - - 11.4 - 14.1 21.5 16.7 2002 10.4 9.9 - - - - - 17.2 - 16.1 9.4 17.9 2003 14.9 13.8 - - - - - - 20.5 22.3 14.2 12.6 2004 12.3 7.5 - - - - - 17.2 - 9.1 17.7 12.4 2005 11.7 6.6 - - - - - - - 8.4 13.6 10.5 2006 6.5 5.2 - - - - - - - 7.0 7.3 5.4 2007 9.0 5.6 - - - - - - - 15.4 19.2 16.4 2008 17.1 11.2 - - - - - - 21.9 14.7 16.5 10.5 2009 11.0 10.5 - - - - - - - 18.1 18.8 10.1 2010 11.2 14.5 - - - - - 11.8 14.4 14.7 14.9 15.8 2011 10.1 9.8 - - - - - 24.4 - 13.1 19.1 10.5 2012 10.9 10.6 - - - - - 21.5 - 16.6 18.8 10.1 2013 10.7 12.5 - - - - - - - 16.0 22.1 11.7 2014 10.7 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - 17.2 17.5 12.6 2018 13.8 11.7 - - - - - - - 18.8 14.8 19.1 2019 11.2 12.6 - - - - - 28.8 16.2 15.0 19.8 13.4 2020 13.1 12.6 - - - - - - - 16.9 16.7 16.0 2021 - 10.1 13.3 - - - - 13.6 - 21.0 17.7 17.0 2022 13.8 17.9 - - - - 25.0 12.2 - 20.7 11.7 13.8 2023 8.6 13.3 - - - - - 14.4 21.0 17.9 13.2 13.8 2024 18.4 9.0 12.8 22.2 - - - - - - - -