Halley 12Z 300hPa wind_speed 1957 - - - 27.7 30.7 - 31.5 28.4 38.0 22.9 28.0 18.8 1958 25.6 23.6 26.2 28.8 22.2 41.4 34.9 30.2 36.6 30.0 20.7 20.9 1959 23.5 19.1 - 32.5 29.1 36.9 29.5 31.3 26.2 31.2 18.0 25.4 1960 27.6 25.6 - - - - - - 38.6 31.3 23.8 20.5 1961 33.5 19.0 31.9 35.0 38.0 21.8 31.0 39.4 29.9 26.9 28.5 27.4 1962 35.1 24.5 17.7 30.9 44.8 31.9 34.7 39.8 31.3 40.9 26.1 20.5 1963 28.7 20.2 23.5 28.4 30.9 41.2 36.4 30.1 28.5 25.6 24.4 23.9 1964 31.1 26.2 28.4 39.4 35.5 28.2 46.7 24.8 26.2 27.1 29.5 23.0 1965 24.8 29.6 28.4 33.1 37.1 29.9 33.7 30.7 30.8 31.5 26.8 23.8 1966 28.3 28.2 28.0 39.5 29.1 31.2 31.9 35.5 34.6 27.4 26.6 23.1 1967 24.9 27.5 31.1 30.5 32.2 30.2 31.6 37.3 33.8 21.7 17.2 26.8 1968 28.6 24.8 28.9 40.9 21.4 23.2 35.3 32.2 37.1 32.1 22.0 23.5 1969 20.6 20.6 31.3 37.9 28.0 32.3 44.4 41.1 30.9 27.3 27.5 31.2 1970 15.6 24.2 36.4 37.4 42.1 27.0 37.4 39.7 33.4 33.4 35.6 26.3 1971 - - 33.6 35.3 31.4 40.5 36.2 34.7 38.9 34.3 28.8 25.0 1972 15.2 21.5 26.3 27.6 31.7 24.4 40.3 34.2 27.3 40.1 26.7 23.1 1973 26.5 29.4 30.5 25.1 33.4 33.3 40.7 37.2 31.5 30.7 29.3 31.8 1974 27.3 31.4 33.2 32.7 28.4 48.2 26.6 35.9 20.9 40.0 25.5 23.5 1975 30.3 31.2 20.3 27.8 25.7 34.4 26.4 - - - - 23.1 1976 17.1 35.3 31.3 - - - - - - - 27.5 18.4 1977 22.3 16.8 35.1 33.0 33.8 - - 22.0 30.8 36.0 28.5 19.7 1978 32.2 24.2 34.0 - 41.8 34.3 30.4 36.3 41.5 29.8 31.2 22.8 1979 23.5 31.2 37.7 - - - 35.0 33.8 31.5 25.2 24.9 31.7 1980 22.9 36.8 21.6 29.0 39.9 24.8 24.0 - 23.6 35.6 25.9 18.6 1981 - - 34.9 22.8 28.4 38.1 32.7 - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - 17.2 17.5 23.2 26.3 33.9 38.2 30.7 31.2 25.3 24.9 25.3 1985 24.7 33.1 30.7 22.7 25.4 33.9 32.2 31.8 44.4 41.1 33.6 24.1 1986 19.7 18.9 - 32.3 25.5 31.6 46.9 35.0 35.0 19.6 27.9 25.4 1987 24.1 - - - - 28.4 24.0 25.9 - - - - 1988 - - 25.8 33.1 34.9 32.6 31.2 32.8 40.3 - - - 1989 - - - 21.8 35.5 26.7 35.0 49.0 - - - - 1990 - - - - - - 21.0 - - - - - 1991 16.6 23.2 16.7 46.3 42.5 24.3 22.7 - - - 24.7 25.5 1992 - 26.9 29.5 32.3 24.6 25.0 30.7 33.2 33.4 30.4 30.4 30.5 1993 29.1 27.8 29.4 28.8 34.3 28.3 23.8 32.4 23.9 24.8 27.5 18.2 1994 26.3 22.5 32.6 24.2 34.4 32.0 25.3 31.6 29.7 16.1 31.0 30.3 1995 29.5 25.3 24.1 34.9 33.2 30.7 25.9 25.7 34.6 29.8 25.5 18.6 1996 20.4 35.4 36.6 49.2 35.3 27.8 32.6 30.2 25.4 24.2 35.3 21.1 1997 26.6 27.4 29.1 28.5 26.6 39.5 22.7 23.7 28.9 25.6 17.2 21.6 1998 28.4 27.1 39.4 33.1 38.1 35.6 35.9 35.9 38.1 31.5 27.1 22.4 1999 39.9 29.3 29.2 26.8 31.6 20.7 25.9 30.0 25.6 32.4 25.8 26.0 2000 17.8 36.9 58.9 34.7 25.6 37.3 43.2 19.6 35.5 36.0 29.4 23.4 2001 22.9 41.3 27.3 28.0 43.0 25.8 28.1 33.5 40.3 29.2 29.9 25.6 2002 28.8 35.5 27.4 29.9 27.3 20.6 40.7 44.6 50.8 32.8 21.6 31.9 2003 42.6 27.6 32.2 37.4 32.3 32.2 31.3 38.1 40.8 25.4 23.6 24.9 2004 19.5 17.9 34.9 38.4 51.4 43.8 36.8 36.2 30.1 30.2 33.2 26.8 2005 31.6 26.0 24.1 37.8 34.5 27.4 36.6 36.0 43.6 41.7 33.4 28.1 2006 28.0 30.0 37.1 30.4 33.9 46.6 34.3 21.2 29.9 35.6 31.1 24.6 2007 31.2 24.9 23.6 31.6 28.2 29.2 36.1 26.1 34.2 37.8 26.1 27.9 2008 25.8 27.2 23.9 37.5 22.5 35.0 35.2 42.1 43.6 34.5 28.7 25.9 2009 19.2 26.7 33.0 40.2 34.6 29.7 36.8 40.6 40.6 22.2 28.2 17.1 2010 23.0 31.5 39.8 32.5 36.0 41.0 41.4 38.2 40.7 31.3 32.2 24.8 2011 24.0 23.7 42.1 32.4 37.9 37.4 35.7 32.6 47.4 28.9 26.6 27.6 2012 29.9 24.8 41.1 40.7 40.2 26.5 44.4 36.9 29.5 29.8 25.9 24.7 2013 27.1 27.8 40.5 40.8 36.2 47.2 27.1 29.1 35.0 32.9 24.1 23.1 2014 24.7 28.3 29.5 40.9 34.1 38.3 41.3 - - 23.6 26.4 22.8 2015 19.7 35.2 28.9 33.7 43.6 37.0 39.4 35.3 30.8 29.3 19.4 26.1 2016 25.1 25.0 32.4 35.1 28.1 30.4 30.6 31.3 31.6 35.6 24.4 23.8 2017 18.0 26.6 - - - - - - - - - 28.9 2018 20.6 26.7 - - - - - - - - - 27.4 2019 29.9 21.2 - - - - - - - - - 20.4 2020 20.1 - - - - - - - - - - - 2021 - - - - - - - - - - - 24.5 2022 34.8 - - - - - - - - - - 19.9 2023 24.7 - - - - - - - - - - 20.2 2024 30.2 - - - - - - - - - - -