Campbell 12Z wind_speed 1961 - - - 16.6 14.1 20.5 13.2 15.2 16.6 19.6 19.2 19.3 1962 18.6 18.4 16.6 17.2 14.7 17.4 16.7 20.6 18.9 14.8 18.0 16.5 1963 17.4 16.5 18.0 16.4 19.7 17.8 11.4 15.8 17.2 24.3 20.6 13.8 1964 14.5 13.9 17.5 20.9 21.7 17.2 15.9 17.6 19.9 15.3 16.2 12.3 1965 10.9 15.6 16.1 21.0 17.8 20.7 16.6 17.4 18.4 19.8 16.6 20.1 1966 17.0 17.6 15.2 17.1 14.4 21.6 14.0 15.9 18.9 20.1 16.4 12.5 1967 11.9 17.6 20.1 21.8 20.5 21.5 17.1 19.8 14.8 19.5 15.4 15.1 1968 14.1 18.7 17.9 14.1 14.7 13.0 17.6 16.1 18.6 17.8 17.0 13.7 1969 14.7 17.3 19.7 16.3 16.4 18.6 18.0 19.4 14.1 20.7 17.7 14.3 1970 19.5 17.0 14.0 19.7 15.3 15.9 12.1 17.5 - - 17.3 17.0 1971 13.5 16.9 18.5 18.7 14.9 10.4 12.2 8.5 17.0 13.3 14.2 14.9 1972 13.5 18.4 17.5 18.7 21.8 14.3 13.4 15.6 19.6 21.8 18.1 13.5 1973 15.7 19.7 15.1 18.9 13.6 18.7 14.6 12.4 19.6 22.2 15.6 15.9 1974 19.2 18.0 16.7 14.5 18.4 15.5 14.9 14.4 15.5 18.3 16.1 12.9 1975 10.9 17.8 16.5 20.2 20.9 19.2 17.0 16.5 22.2 17.6 17.8 18.0 1976 17.4 16.2 19.6 19.1 16.7 15.2 17.7 8.8 14.5 12.4 8.8 10.2 1977 13.8 16.1 18.6 15.7 13.3 15.7 13.8 14.4 14.5 20.5 20.1 12.7 1978 15.8 17.4 20.0 18.4 17.4 19.8 18.1 16.1 17.8 19.1 20.2 14.3 1979 20.1 18.9 17.4 18.4 18.5 20.9 16.0 13.4 15.7 16.1 15.9 15.1 1980 15.4 15.8 13.9 19.1 19.9 14.2 15.9 19.3 17.7 17.9 15.8 11.9 1981 16.7 - 15.6 16.0 14.3 13.5 13.1 - - - - - 1982 - - - 12.0 10.6 14.5 15.8 19.5 19.9 18.1 - - 1983 - - - 20.0 20.5 18.1 15.6 20.4 16.2 17.1 - - 1984 - - - 20.0 16.5 23.3 15.7 12.6 14.8 - - - 1985 - - 19.3 19.6 15.9 16.8 17.3 18.3 18.1 - - - 1986 - - 16.3 16.5 19.0 17.2 12.3 11.1 16.8 - - - 1987 - - 13.5 21.4 19.3 19.2 18.8 17.8 18.7 - - - 1988 - - - 21.9 20.6 17.2 16.7 18.4 16.4 13.4 - - 1989 - - - 18.8 15.8 18.5 13.3 9.7 12.1 - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - 15.0 - 13.0 - 11.6 - - - 1993 - - - 12.8 15.6 - 17.4 15.2 16.4 - - - 1994 - - - 16.7 14.0 12.5 15.1 19.1 13.4 - - - 1995 18.5 14.1 18.5 14.8 18.4 15.5 14.4 14.0 16.5 15.9 15.5 14.0 1996 9.7 12.4 - 12.5 18.7 14.3 11.9 11.6 12.2 14.0 10.0 12.4 1997 13.1 14.5 16.6 12.8 16.9 15.8 16.1 15.8 18.3 16.0 18.1 14.9 1998 14.9 - 18.5 17.0 15.3 19.4 17.9 21.7 19.6 13.9 16.9 13.9 1999 14.9 15.8 13.5 15.9 17.8 - 15.5 15.4 16.0 - - - 2000 - - - 19.2 - 15.2 13.3 16.4 15.6 - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - 11.2 16.4 16.6 14.7 17.8 13.9 2008 17.7 14.1 18.6 15.7 12.6 17.3 12.0 15.0 - 17.5 14.5 12.5 2009 13.3 15.7 14.6 16.2 12.6 15.8 14.9 13.1 12.2 15.1 20.4 12.7 2010 11.9 15.2 18.4 18.7 12.2 13.7 18.0 12.7 15.1 15.5 15.5 17.4 2011 15.2 13.8 14.5 16.0 12.9 14.5 16.5 16.9 14.7 11.0 14.3 11.7 2012 16.3 13.5 14.9 16.2 14.4 16.4 16.1 12.2 15.2 16.9 13.1 14.6 2013 15.5 16.0 17.3 14.4 17.0 14.5 18.5 13.3 16.3 15.1 11.7 13.1 2014 15.1 11.8 14.0 11.9 17.4 14.5 13.9 18.1 15.9 17.2 14.6 13.4 2015 11.9 13.1 12.8 15.6 15.5 19.3 16.1 14.5 14.1 24.1 17.8 15.4 2016 15.2 18.6 15.2 18.0 15.6 17.1 15.6 13.7 12.1 11.5 12.2 15.7 2017 13.7 14.7 16.6 16.4 17.0 16.8 10.9 10.3 10.5 17.7 15.3 12.7 2018 12.4 13.7 14.2 17.2 15.2 14.5 14.2 11.5 17.1 19.5 11.6 13.8 2019 15.6 13.9 14.1 16.1 16.2 16.8 14.4 17.4 16.4 13.3 11.5 12.6 2020 13.7 17.6 14.5 15.2 16.3 17.2 14.5 16.5 17.6 16.7 15.6 14.5 2021 13.5 13.9 14.7 17.2 18.3 16.3 15.7 15.7 16.4 13.6 13.6 - 2022 12.9 16.4 14.7 20.6 18.0 14.4 13.8 16.0 17.2 16.0 14.5 13.0 2023 12.9 12.7 13.4 14.1 13.1 12.8 12.9 13.1 15.8 21.2 13.6 15.0 2024 16.9 16.1 17.4 19.6 - - - - - - - -