Halley 12Z 850hPa wind_speed 1957 - - - 16.2 17.3 21.7 18.4 13.4 16.0 13.3 14.7 11.4 1958 11.0 13.2 17.5 13.9 13.2 25.7 16.1 19.4 19.8 20.5 12.8 8.1 1959 21.2 8.3 10.4 14.5 22.1 12.9 21.5 15.6 10.1 13.1 14.3 16.8 1960 11.7 - - - - - - - 15.8 14.2 16.0 13.8 1961 11.8 10.7 14.9 13.1 19.3 11.5 14.2 13.8 9.8 26.9 15.9 14.3 1962 11.7 7.7 17.4 16.0 13.6 21.3 19.5 14.2 16.7 13.6 13.3 12.2 1963 9.9 12.6 18.0 15.5 13.2 18.1 15.0 24.2 15.8 12.7 12.3 11.9 1964 14.7 12.1 12.0 13.1 12.9 21.3 17.1 10.7 13.7 13.6 8.8 14.0 1965 8.5 12.0 13.9 12.0 12.5 18.0 19.5 14.6 13.0 16.2 13.0 13.2 1966 11.6 14.2 18.2 26.5 15.3 20.6 21.1 18.1 17.4 12.5 10.4 13.4 1967 15.0 15.7 14.5 16.9 13.6 13.1 20.7 12.8 12.6 14.3 17.0 12.3 1968 13.5 12.4 15.8 11.8 18.0 18.0 14.3 17.8 15.5 12.7 14.0 13.3 1969 11.3 10.8 14.9 22.7 17.4 20.8 15.4 16.7 18.9 25.5 19.6 12.9 1970 9.6 10.6 11.3 13.1 11.5 14.2 14.6 18.7 21.8 16.4 13.6 12.0 1971 10.3 - 14.7 14.4 16.9 11.1 15.9 17.7 17.0 13.5 13.6 11.4 1972 10.0 8.7 10.9 13.0 14.0 17.4 13.3 15.6 13.3 15.0 13.8 12.8 1973 12.5 11.5 13.7 18.0 12.6 11.1 16.1 11.9 17.2 19.2 19.5 11.5 1974 8.5 12.8 15.0 16.6 19.2 16.1 15.1 16.8 15.2 14.1 13.8 11.8 1975 14.0 14.4 14.1 14.1 23.5 22.1 24.1 - - - - 14.8 1976 10.1 13.1 16.0 - - - - - - - 16.7 12.9 1977 11.0 13.7 17.2 11.9 16.5 - - 16.3 13.9 18.7 13.0 8.6 1978 10.6 15.5 17.6 14.0 13.9 12.6 16.5 18.7 19.7 17.6 9.9 14.9 1979 8.9 9.2 14.9 13.9 - - 15.4 20.9 16.2 15.0 8.1 10.3 1980 10.4 11.7 10.0 15.7 18.2 - - - 14.3 12.8 14.7 10.6 1981 - - - 16.3 12.3 20.7 16.3 - - - - - 1982 - - - - - - - - - - - - 1983 - - - 12.4 - - - - - - - - 1984 - 9.3 15.6 12.6 16.8 17.6 18.0 19.7 20.3 20.7 15.6 10.4 1985 15.7 11.5 18.8 13.2 16.4 24.9 25.9 14.3 32.3 44.2 12.6 17.4 1986 13.4 14.5 11.9 13.3 14.7 16.8 21.4 22.2 19.0 18.0 18.6 11.1 1987 14.7 11.7 10.3 19.4 - 11.6 21.6 14.3 - - - 11.4 1988 - - 15.8 14.9 19.6 15.9 15.0 17.0 14.0 18.1 8.4 14.8 1989 11.3 20.6 14.5 19.8 22.4 15.0 20.9 13.0 11.4 - 10.9 6.0 1990 10.3 10.1 - - - - 17.4 - - - - 27.6 1991 19.4 18.0 14.1 14.2 23.6 24.1 18.3 - 16.2 12.9 16.2 10.8 1992 - 13.2 17.0 15.3 13.4 17.2 17.5 14.7 16.9 17.8 14.9 10.4 1993 10.9 9.8 11.6 16.7 20.4 10.9 15.4 17.0 13.2 19.6 15.2 11.0 1994 14.1 11.0 11.7 11.2 17.3 19.8 12.5 18.2 16.6 17.0 13.4 16.0 1995 12.1 15.5 16.2 13.5 14.2 21.5 14.6 20.4 16.1 15.6 14.5 16.0 1996 14.3 20.8 18.0 15.3 19.5 10.4 23.5 18.7 11.3 19.1 25.5 17.6 1997 13.9 8.4 16.0 10.9 13.4 12.4 13.2 14.2 19.0 12.9 18.3 7.6 1998 13.9 13.1 14.3 14.7 17.5 14.9 19.6 16.3 19.1 18.1 14.4 15.5 1999 18.7 12.0 10.8 16.4 15.0 16.5 17.4 20.3 18.8 22.8 12.6 14.2 2000 11.9 10.9 17.6 16.7 13.5 16.6 13.4 13.6 23.4 9.9 15.3 10.4 2001 11.7 11.4 12.4 9.9 16.7 16.2 15.0 23.5 20.8 20.5 21.3 17.7 2002 14.8 14.9 15.3 10.4 18.5 17.3 18.0 26.3 16.4 24.7 12.7 12.0 2003 9.6 17.2 14.9 15.8 21.0 16.2 12.2 16.0 16.0 19.5 12.6 14.3 2004 8.7 8.8 14.9 11.1 8.9 15.7 17.7 20.8 20.8 17.5 12.5 8.0 2005 14.3 13.5 14.7 17.1 15.5 16.8 15.1 17.2 14.0 16.0 12.5 15.5 2006 12.3 8.2 19.5 18.0 16.5 16.8 19.3 13.9 17.7 16.0 22.0 8.8 2007 15.6 14.7 14.2 10.8 14.9 11.3 22.1 16.9 13.8 17.1 15.2 14.7 2008 12.9 13.8 15.4 20.9 15.4 16.8 21.5 21.3 14.2 14.4 13.0 17.1 2009 10.1 10.7 11.2 18.7 14.3 15.4 19.5 16.2 15.6 24.2 18.6 10.7 2010 12.7 9.8 17.6 20.3 21.3 15.8 17.4 13.6 18.6 18.4 15.3 17.3 2011 9.8 13.5 17.8 19.3 15.1 16.9 16.1 17.4 15.2 15.6 19.0 9.6 2012 12.0 17.7 14.1 13.4 13.5 30.5 11.3 15.7 16.8 22.8 12.2 12.8 2013 11.3 11.0 10.2 15.2 12.7 28.5 17.0 15.3 19.9 17.9 19.3 16.8 2014 10.3 9.4 12.1 16.3 14.1 15.8 18.3 - - 15.0 20.8 12.0 2015 15.6 19.8 14.8 20.1 16.3 18.1 21.4 17.9 19.9 14.6 15.4 18.5 2016 15.3 13.1 14.1 17.1 17.9 16.0 19.0 21.1 20.8 13.0 19.1 11.8 2017 13.3 13.7 - - - - - - - - - 15.6 2018 13.3 8.9 - - - - - - - - - 14.6 2019 13.2 12.0 - - - - - - - - - 15.2 2020 14.0 - - - - - - - - - - - 2021 - - - - - - - - - - - 17.9 2022 12.8 - - - - - - - - - - 11.5 2023 12.3 - - - - - - - - - - 11.2 2024 10.2 - - - - - - - - - - -