Halley 12Z 150hPa wind_speed 1957 - - - 24.2 21.6 - - - 36.1 15.4 16.9 6.9 1958 9.1 13.6 13.1 16.0 12.0 29.6 22.5 20.1 30.6 26.1 16.4 13.8 1959 7.8 7.5 - 16.2 25.5 25.3 17.6 22.2 23.8 27.1 12.9 15.5 1960 13.5 - - - - - - - 34.1 19.8 15.1 13.6 1961 14.4 7.1 16.6 27.1 27.9 13.6 28.2 29.8 23.7 24.4 18.5 13.5 1962 20.8 9.6 13.6 22.2 33.2 20.8 26.2 38.7 28.9 39.1 14.0 9.9 1963 9.4 11.6 14.2 21.4 26.1 20.6 24.4 16.7 21.3 18.1 22.2 11.5 1964 11.2 11.0 23.5 27.6 35.5 21.4 34.3 19.3 25.6 23.4 21.7 10.8 1965 11.4 14.6 20.4 23.1 24.1 19.7 25.4 25.2 26.2 25.0 19.5 10.4 1966 14.4 11.9 13.3 16.9 25.0 27.6 23.1 33.8 31.1 23.4 15.2 12.1 1967 9.8 7.5 17.5 25.0 20.4 21.7 21.4 26.7 27.2 20.7 17.2 13.5 1968 7.6 9.2 11.6 25.6 15.2 17.8 30.1 29.3 30.4 25.9 16.6 14.0 1969 6.8 11.7 16.0 21.1 17.1 22.2 36.8 35.1 35.8 20.0 13.5 17.3 1970 9.6 12.8 20.0 20.8 35.3 22.9 35.6 33.9 37.8 34.5 27.7 16.6 1971 - - 18.0 23.3 20.2 41.6 30.3 31.1 31.0 24.4 25.2 8.8 1972 8.6 9.4 15.3 17.0 28.9 20.2 30.0 26.2 26.0 32.8 22.6 10.2 1973 6.0 13.4 18.3 17.5 17.8 24.1 36.3 32.3 23.9 28.8 20.6 15.6 1974 8.3 18.1 20.5 21.3 17.6 27.5 21.0 26.9 21.2 30.3 12.9 8.5 1975 9.8 12.1 9.9 21.6 16.6 20.9 - - - - - 12.1 1976 7.7 18.9 23.3 - - - - - - - 21.8 9.4 1977 9.5 8.1 16.9 24.1 24.5 - - 20.0 20.5 30.3 27.3 9.0 1978 14.3 12.7 17.4 - 32.0 28.2 22.6 33.2 35.1 28.4 20.9 9.8 1979 10.6 12.7 24.4 - - - 34.4 31.7 30.0 18.6 13.8 8.2 1980 7.7 13.6 12.6 11.4 24.5 19.8 17.2 - 21.4 33.1 14.0 12.8 1981 - - 22.8 19.3 25.9 28.8 18.4 - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - 11.9 - 18.3 - 25.1 31.4 28.4 27.6 - 20.9 20.6 1985 15.2 16.4 17.7 21.2 26.0 29.8 27.8 37.7 39.3 26.5 35.1 16.5 1986 10.1 - - 23.9 18.2 26.2 23.5 20.9 37.0 30.7 29.5 36.2 1987 12.4 - 13.6 - - 19.6 16.1 28.1 - - - - 1988 - - 13.1 20.2 28.9 13.9 27.2 - - - - - 1989 - - - 20.1 29.1 27.5 37.2 44.1 - - - - 1990 - - - - - - - - - - - - 1991 - 16.7 - 28.7 26.2 20.2 18.0 - - - 19.9 16.7 1992 - 11.0 11.6 29.7 15.3 18.9 24.2 30.0 33.8 23.8 25.4 22.7 1993 11.8 17.7 16.4 18.3 25.4 22.8 23.3 23.9 17.8 21.2 25.1 12.8 1994 13.3 13.9 18.3 17.7 25.3 21.2 17.0 24.2 27.0 10.4 24.1 25.0 1995 14.1 10.8 14.6 25.8 28.0 18.2 14.9 14.0 28.8 24.7 13.3 13.3 1996 13.3 16.3 22.4 23.7 26.4 23.0 22.4 28.2 18.3 23.3 24.2 13.9 1997 10.2 14.9 21.9 20.2 26.7 30.8 21.7 23.5 18.9 19.5 14.0 16.9 1998 14.6 16.8 21.5 30.3 28.6 26.8 22.3 28.6 32.2 26.7 25.1 19.0 1999 15.1 15.9 20.5 27.3 30.0 18.7 25.6 20.4 19.0 27.0 21.4 25.7 2000 15.6 19.2 34.9 22.2 28.5 24.1 37.4 16.6 23.7 25.1 24.4 12.5 2001 8.4 17.0 15.9 19.0 29.9 13.5 20.1 27.4 36.2 23.0 22.2 22.1 2002 16.0 18.8 11.9 21.6 16.9 15.6 26.1 34.5 42.9 17.7 19.7 10.0 2003 12.0 10.0 19.0 24.5 26.1 21.2 27.3 32.8 31.1 23.0 16.6 12.6 2004 7.5 8.3 16.9 25.7 34.2 34.0 36.9 27.9 27.1 26.2 21.9 13.2 2005 13.6 13.0 15.9 21.4 29.4 21.1 30.0 31.5 38.6 32.8 26.4 15.4 2006 14.0 20.6 19.4 24.5 29.5 34.1 34.8 13.8 18.8 31.8 19.6 22.9 2007 18.9 15.7 11.1 20.8 20.9 16.7 20.1 25.1 29.0 21.9 15.9 21.1 2008 15.2 14.4 18.3 16.6 17.6 26.4 32.6 33.5 41.6 27.2 22.6 19.2 2009 11.5 12.7 21.0 23.6 16.7 15.8 23.3 32.9 30.4 18.5 14.5 11.9 2010 9.3 13.4 18.4 17.7 23.1 33.0 36.9 34.3 34.6 30.0 32.1 17.5 2011 9.5 11.1 24.6 17.8 28.4 31.3 22.8 24.7 35.5 21.7 19.3 23.2 2012 11.0 10.4 22.0 27.3 27.5 18.0 33.0 31.4 22.5 18.8 19.6 10.6 2013 9.6 15.7 23.8 34.5 33.5 33.3 23.8 23.8 25.3 22.4 17.0 9.3 2014 8.0 10.7 18.5 33.0 25.8 26.8 31.5 - - 20.0 13.0 15.8 2015 10.7 11.5 17.9 25.9 30.8 22.2 28.5 33.8 22.6 16.5 15.6 21.8 2016 15.8 15.0 20.9 21.3 25.1 29.9 29.8 17.9 28.9 31.8 12.2 8.6 2017 8.8 11.7 - - - - - - - - - 13.9 2018 7.2 15.2 - - - - - - - - - 13.4 2019 9.0 11.4 - - - - - - - - - 11.0 2020 8.8 - - - - - - - - - - - 2021 - - - - - - - - - - - 21.0 2022 14.8 - - - - - - - - - - 23.1 2023 15.8 - - - - - - - - - - 16.1 2024 18.3 - - - - - - - - - - -