Halley 12Z 700hPa wind_speed 1957 - - - 15.5 19.2 21.8 22.2 13.7 20.5 13.5 13.5 11.6 1958 12.7 14.3 20.3 16.3 14.3 27.7 19.6 17.8 20.4 19.8 13.1 10.6 1959 18.5 7.8 12.3 15.5 21.8 18.0 22.0 19.2 13.1 16.3 11.3 15.2 1960 13.6 16.5 - - - - - 23.8 23.9 14.2 16.0 13.4 1961 13.0 9.8 14.6 17.5 26.4 12.9 19.0 16.1 16.3 26.4 15.2 16.3 1962 15.0 8.8 15.4 19.2 22.9 22.5 20.0 19.7 19.2 19.1 15.4 10.8 1963 9.8 13.0 15.7 17.7 13.2 23.2 16.3 23.4 18.7 13.9 14.7 13.0 1964 12.8 13.8 13.1 16.9 17.9 20.6 23.5 13.6 16.0 14.3 9.9 14.3 1965 12.0 14.4 15.8 15.1 16.4 20.2 20.1 18.4 13.2 18.1 15.2 12.3 1966 11.7 12.9 18.5 26.4 17.3 19.9 21.4 21.4 16.5 13.8 11.8 14.6 1967 13.7 17.7 14.2 17.9 15.8 16.6 21.0 17.6 16.8 13.0 15.5 14.5 1968 13.4 15.3 15.7 16.3 15.0 16.9 16.5 21.6 17.0 13.6 12.8 13.0 1969 11.9 8.7 16.9 20.5 16.9 21.0 22.1 23.5 24.6 25.3 16.4 10.4 1970 11.9 11.7 19.9 19.1 14.9 16.0 22.1 25.9 16.2 17.4 16.7 12.6 1971 - - 19.9 19.0 18.5 18.3 20.4 22.1 22.1 18.7 16.4 12.5 1972 11.0 9.8 13.9 16.7 19.3 16.1 22.3 21.3 15.4 23.5 13.3 14.0 1973 11.6 12.0 13.3 15.9 15.8 16.6 22.1 17.4 17.8 16.5 17.5 16.1 1974 8.7 12.8 17.7 18.9 19.8 29.3 15.1 20.2 14.2 21.7 13.4 11.8 1975 12.3 17.6 12.2 15.4 22.2 22.9 22.7 - - - - 14.4 1976 9.7 14.7 17.3 - - - - - - - 17.8 12.3 1977 10.5 12.3 20.8 13.9 17.3 - - 14.3 14.9 18.5 12.5 8.8 1978 14.3 16.5 17.8 14.7 20.9 17.4 19.0 20.7 22.3 14.4 10.3 16.3 1979 9.3 13.9 19.7 14.6 - - 21.1 24.1 15.4 14.3 10.4 12.0 1980 10.6 13.8 9.5 14.9 20.5 17.9 - 11.8 12.0 17.5 15.2 11.6 1981 - - 17.0 20.0 13.2 17.7 18.7 - - - - - 1982 - - - - - - - - - - - - 1983 - - - 12.9 - - - - - - - - 1984 - 10.6 11.7 13.1 15.3 19.4 17.7 17.3 25.0 20.1 14.6 11.6 1985 17.0 12.2 20.9 12.4 13.5 16.8 18.9 18.8 23.5 56.3 14.5 12.4 1986 12.2 12.2 15.4 17.8 17.4 20.2 20.3 24.2 21.6 23.3 21.4 11.3 1987 16.6 6.9 12.0 17.7 - 14.6 20.4 16.8 - - - 8.1 1988 - - 15.1 21.1 18.0 16.1 16.7 19.3 15.0 15.0 9.8 9.4 1989 10.6 15.8 13.4 16.5 21.0 16.3 20.2 22.5 16.3 - 8.6 10.6 1990 10.2 8.1 - - - - 17.8 - - - - 24.3 1991 13.2 13.5 15.0 14.9 26.9 28.5 18.4 18.3 14.0 - 13.4 11.0 1992 - 13.6 23.7 18.2 14.9 20.7 19.0 17.8 18.9 18.4 17.9 13.2 1993 12.3 12.2 14.0 16.6 25.8 13.9 21.6 22.2 15.8 19.7 13.6 9.6 1994 14.6 11.0 16.4 14.7 22.6 22.4 14.9 17.8 19.9 14.6 14.9 13.2 1995 16.5 16.7 16.2 20.6 21.1 17.3 17.0 17.0 23.1 18.2 13.2 16.2 1996 11.0 19.1 18.3 20.0 17.9 13.4 24.7 20.6 13.6 16.7 21.7 14.8 1997 15.2 12.5 18.7 12.8 13.8 20.9 15.0 15.9 16.3 14.8 17.5 11.8 1998 14.8 12.2 19.1 16.8 18.4 19.0 22.7 16.4 21.0 20.9 16.1 12.0 1999 18.1 13.2 12.7 15.7 17.9 16.5 18.8 21.7 18.2 20.9 11.7 11.7 2000 12.7 14.1 26.8 14.9 14.4 17.3 22.7 13.7 23.2 14.5 18.7 12.2 2001 11.7 11.0 14.7 10.9 22.9 17.4 14.0 21.1 22.7 18.3 19.8 17.1 2002 18.0 16.3 18.0 14.5 20.5 15.6 27.3 27.2 27.3 24.1 16.0 16.0 2003 12.0 15.9 19.4 22.6 21.9 20.8 15.6 18.2 18.8 14.8 12.3 14.8 2004 10.3 8.3 16.1 19.5 16.8 24.0 19.5 20.4 18.2 14.6 13.6 10.6 2005 13.5 11.3 14.3 19.3 19.0 17.4 18.3 20.8 23.2 23.1 16.5 16.4 2006 14.6 11.8 17.0 22.0 21.8 22.6 19.1 14.4 14.7 22.2 19.8 10.5 2007 14.4 14.5 13.9 16.2 14.5 14.6 25.4 17.1 17.5 21.3 16.5 13.8 2008 11.2 15.8 22.0 20.0 16.9 21.4 26.2 22.7 21.3 19.3 14.0 17.0 2009 11.1 12.1 18.2 23.3 17.7 20.7 22.3 21.9 20.8 17.3 18.5 8.4 2010 13.7 10.4 21.5 22.5 22.4 19.5 22.2 20.4 19.7 18.3 14.4 14.5 2011 11.4 11.9 21.1 18.1 17.0 19.8 20.5 22.5 24.8 14.9 17.6 10.7 2012 12.3 17.3 20.0 21.9 21.2 26.0 21.2 22.2 20.1 20.2 11.1 10.7 2013 11.2 11.3 16.6 18.7 17.1 29.0 16.1 17.8 20.0 21.0 18.7 12.3 2014 14.5 11.7 12.9 21.9 17.9 20.9 20.2 - - 15.7 18.8 14.0 2015 15.1 16.1 15.8 21.6 21.5 20.7 24.0 20.0 22.1 15.4 16.5 17.2 2016 14.9 11.7 14.9 19.5 18.9 20.9 19.4 21.7 17.0 18.2 15.4 13.4 2017 12.1 15.2 - - - - - - - - - 15.4 2018 13.6 12.6 - - - - - - - - - 14.8 2019 14.3 12.1 - - - - - - - - - 15.3 2020 14.1 - - - - - - - - - - - 2021 - - - - - - - - - - - 16.7 2022 15.7 - - - - - - - - - - 9.8 2023 12.3 - - - - - - - - - - 9.5 2024 11.2 - - - - - - - - - - -