Halley 12Z 100hPa wind_speed 1957 - - - 26.1 24.3 - - - 35.3 13.2 10.5 6.0 1958 7.8 11.1 12.6 17.5 13.8 26.7 23.7 21.8 26.1 24.1 18.7 11.7 1959 8.1 6.1 - 14.5 22.8 25.9 19.9 21.3 25.9 32.8 13.8 12.1 1960 8.8 - - - - - - - 34.9 21.9 12.1 13.7 1961 13.5 6.6 15.8 27.4 28.6 14.9 36.2 33.7 20.9 26.5 20.0 12.6 1962 16.3 9.9 13.4 24.5 32.0 19.3 27.6 - 24.9 - 13.9 8.6 1963 7.3 9.5 12.8 24.9 26.6 27.8 23.9 - 21.8 13.5 23.1 8.6 1964 7.9 12.2 26.5 27.8 39.9 21.7 28.6 21.0 24.2 28.2 17.8 6.5 1965 8.7 11.6 23.9 22.1 26.7 21.4 24.7 25.2 27.2 21.2 18.5 7.9 1966 10.9 8.1 12.1 18.2 29.2 30.4 23.3 33.8 33.5 24.5 12.4 12.2 1967 8.9 6.9 15.6 27.0 22.8 23.2 21.0 30.0 22.5 24.6 20.8 11.5 1968 5.6 7.9 9.7 25.8 18.1 20.2 35.4 29.2 27.0 26.7 13.3 11.6 1969 6.0 7.7 15.3 19.0 19.2 19.9 36.3 36.5 42.4 13.8 16.7 13.6 1970 9.7 12.4 16.1 15.9 33.8 32.5 33.2 - 40.8 34.2 33.2 19.8 1971 - - 16.5 22.9 19.0 46.7 33.6 32.9 31.4 28.6 32.6 9.6 1972 8.6 7.2 13.5 17.9 28.7 22.6 29.4 24.4 27.2 34.6 29.2 7.5 1973 4.9 10.3 17.0 19.9 16.6 24.8 34.6 35.4 25.8 31.0 23.5 12.2 1974 5.4 15.5 19.0 25.1 20.5 28.2 21.2 25.7 24.2 32.0 10.6 10.8 1975 7.3 8.6 9.1 23.2 16.7 25.6 - - - - - 11.0 1976 7.9 15.5 20.9 - - - - - - - 21.9 9.4 1977 10.8 6.6 16.8 26.2 31.4 - - 22.2 24.5 25.8 28.3 8.6 1978 11.4 10.6 16.3 - 33.5 30.3 24.1 34.7 35.6 34.6 24.0 9.5 1979 7.1 9.8 21.8 - - - 28.6 35.4 28.9 20.9 15.9 6.8 1980 6.5 11.3 11.4 12.5 24.2 21.6 19.5 - 23.2 30.9 14.8 13.1 1981 - - 17.6 23.1 29.3 32.9 17.7 - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - 8.9 - 22.7 - - - - 35.1 - - 21.0 1985 15.4 25.9 18.1 21.4 26.4 34.8 35.8 34.3 33.4 34.1 28.4 17.9 1986 15.5 10.1 18.3 22.7 18.8 24.4 27.2 25.9 38.5 38.0 25.1 29.7 1987 12.6 - - - - 22.7 13.6 - - - - - 1988 - - - - 33.8 13.4 - - - - - - 1989 - - - - - 40.0 43.2 - - - - - 1990 - - - - - - - - - - - - 1991 - 23.3 - 26.2 23.1 18.3 22.9 - - - 27.7 16.0 1992 - 9.7 14.8 31.1 17.9 20.0 20.7 28.6 34.1 26.2 31.2 22.5 1993 9.4 10.8 15.8 18.2 28.7 28.7 21.4 25.3 17.4 17.3 22.8 18.9 1994 10.5 13.5 17.8 20.0 27.0 21.0 14.0 23.6 26.5 11.4 23.5 23.2 1995 11.0 10.8 13.2 24.6 29.7 20.8 12.9 16.8 26.3 27.6 13.4 17.5 1996 11.7 10.9 21.4 20.6 30.6 23.6 26.7 26.7 20.5 26.9 25.8 16.1 1997 8.4 10.4 20.8 22.2 29.5 32.6 22.7 21.5 19.2 21.1 13.7 19.7 1998 9.9 15.9 19.4 34.1 27.7 - 23.1 26.4 32.7 27.3 24.5 25.0 1999 11.6 12.5 19.9 32.2 36.8 22.0 27.6 21.2 18.6 28.4 23.5 28.5 2000 16.7 15.7 31.6 25.1 33.4 23.7 36.0 19.2 18.8 23.1 32.9 13.6 2001 6.0 12.8 15.4 20.4 29.3 13.4 20.2 28.9 32.3 25.2 29.8 30.9 2002 11.3 16.6 9.0 24.0 17.8 14.8 27.8 33.4 46.2 20.0 24.8 8.1 2003 6.6 9.1 17.0 26.6 29.5 23.8 29.8 35.2 33.8 25.8 20.6 14.5 2004 7.1 8.1 15.9 27.4 33.9 37.0 39.8 29.9 27.0 29.4 25.2 18.5 2005 11.0 11.1 16.0 23.3 30.8 21.6 31.0 30.0 35.3 30.0 34.0 14.1 2006 11.1 16.7 18.4 27.4 30.5 35.1 35.8 14.7 17.5 34.3 21.7 25.8 2007 17.8 13.2 9.7 20.2 20.0 17.2 18.8 27.4 30.2 19.5 20.5 28.0 2008 12.6 13.0 17.1 15.1 21.8 30.3 37.8 32.8 42.7 28.4 23.2 22.3 2009 11.5 9.0 17.2 22.3 18.3 21.0 25.8 32.9 28.1 21.4 14.2 12.4 2010 - - - - - - - 40.2 38.8 39.5 37.5 28.1 2011 7.2 10.1 23.3 16.7 32.1 32.5 23.5 27.3 32.5 23.7 17.1 20.8 2012 12.1 7.5 18.0 25.6 30.7 - 31.1 31.2 24.6 22.3 33.4 12.9 2013 8.8 12.0 20.9 - 38.2 35.9 27.3 - 19.2 22.9 33.1 13.2 2014 7.1 10.2 17.3 32.9 - 27.1 - - - 19.3 12.4 - 2015 10.4 - 19.9 29.1 - - 28.9 37.9 23.9 - - 23.4 2016 13.7 8.7 19.2 18.0 24.7 37.9 - 17.4 30.4 26.8 12.9 8.2 2017 4.7 11.8 - - - - - - - - - - 2018 6.4 12.8 - - - - - - - - - 16.3 2019 8.3 12.8 - - - - - - - - - 9.5 2020 8.9 - - - - - - - - - - - 2021 - - - - - - - - - - - 25.5 2022 14.5 - - - - - - - - - - 30.0 2023 15.3 - - - - - - - - - - 18.6 2024 15.6 - - - - - - - - - - -