Campbell 18Z wind_speed 1961 - - - 16.1 11.4 18.5 14.7 16.2 17.1 17.6 17.3 18.1 1962 16.7 17.2 16.5 16.7 14.8 16.7 17.5 19.7 16.9 16.0 17.2 17.6 1963 17.0 16.2 16.4 17.6 18.7 15.9 12.9 15.9 15.3 26.1 19.9 17.2 1964 13.9 13.9 18.0 22.5 21.1 16.2 15.7 18.3 17.4 15.3 15.1 12.0 1965 10.9 15.4 14.5 19.8 17.7 19.9 17.4 16.9 20.1 18.6 17.4 20.6 1966 18.2 17.4 14.4 20.9 13.6 21.4 14.1 17.8 17.4 20.9 17.4 14.1 1967 14.6 19.2 19.8 20.1 19.3 21.6 19.7 20.9 14.9 20.6 13.3 15.1 1968 14.7 20.8 16.5 16.2 14.7 15.1 17.7 17.3 20.1 21.0 18.0 14.5 1969 14.1 18.9 20.0 16.2 16.6 20.8 18.8 20.1 15.2 20.7 17.2 16.3 1970 17.9 16.8 15.1 20.8 16.0 15.7 14.0 17.2 - - 19.4 17.1 1971 14.2 18.4 17.9 18.4 13.0 10.2 11.5 9.5 15.9 16.1 15.8 15.2 1972 13.2 19.4 16.3 16.8 22.0 15.5 14.3 16.1 20.7 22.2 17.3 13.4 1973 17.0 19.8 14.2 20.0 13.4 20.4 13.3 13.3 18.3 20.6 15.9 16.8 1974 18.8 15.3 17.4 15.2 20.0 15.5 14.3 14.5 14.7 19.8 16.2 13.1 1975 11.0 17.5 18.8 21.0 19.4 20.6 18.7 15.4 23.0 19.0 18.4 15.4 1976 17.6 19.1 19.6 18.6 18.2 17.1 16.4 10.1 13.7 12.6 11.0 12.0 1977 12.9 17.7 19.5 14.7 14.0 15.5 15.6 15.3 13.0 21.1 19.6 13.9 1978 18.0 16.6 20.6 17.6 18.3 18.2 17.6 17.5 17.7 18.6 20.6 14.7 1979 20.4 19.7 16.6 17.5 18.1 21.7 16.1 14.0 15.6 14.5 16.6 14.8 1980 16.5 14.2 14.6 20.0 19.7 16.4 15.4 19.4 16.8 17.3 18.7 12.1 1981 19.4 - 12.7 15.9 15.4 14.6 12.7 - - - - - 1982 - - - 11.6 10.5 15.4 14.9 21.4 19.3 15.5 - - 1983 - - - 20.0 18.2 17.5 17.3 19.4 16.1 17.8 - - 1984 - - 10.5 19.5 18.6 23.8 16.2 - 13.8 - - - 1985 - - 19.6 18.9 18.2 16.7 17.8 18.4 19.0 - - - 1986 - - 14.8 18.3 19.4 20.8 13.7 10.9 16.5 - - - 1987 - - 13.9 20.7 20.0 20.8 19.7 18.3 18.2 - - - 1988 - - - 22.4 20.3 18.7 15.0 18.6 13.5 12.0 - - 1989 - - - 16.5 16.2 18.9 13.1 9.7 11.6 - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - 20.5 - 15.7 14.9 - 11.3 - - - 1993 - - - 12.7 17.8 - 18.5 15.3 16.3 - - - 1994 - - - 17.6 14.7 13.3 13.9 18.1 12.3 - - - 1995 18.4 16.4 16.6 13.7 19.0 14.1 13.1 15.4 17.7 15.3 16.7 15.7 1996 10.1 13.2 - 13.0 20.3 15.1 11.8 12.2 13.4 16.8 9.4 13.6 1997 13.9 13.6 16.5 14.7 16.4 17.4 17.1 15.8 17.9 18.7 17.8 13.4 1998 15.6 - 15.7 18.1 15.2 18.8 18.5 19.8 19.4 14.6 16.9 15.3 1999 15.8 15.6 14.5 15.0 17.9 - 14.7 15.9 14.7 - - - 2000 - - - - - 16.6 13.3 18.0 15.0 - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - 12.6 15.7 17.2 14.6 19.3 14.5 2008 18.0 14.3 17.8 15.6 13.5 19.8 12.7 15.3 14.5 19.4 15.5 11.9 2009 15.1 15.1 14.1 16.8 12.2 16.8 15.5 11.9 12.9 15.7 21.2 12.5 2010 11.2 14.7 20.5 16.4 14.2 14.5 16.7 12.9 14.5 15.4 15.8 18.5 2011 15.0 16.0 15.6 16.6 14.6 13.7 15.7 16.6 15.8 12.3 13.6 11.7 2012 16.4 12.6 15.5 16.1 15.5 15.8 15.0 12.3 15.3 18.8 14.5 15.4 2013 14.5 15.5 15.1 13.4 18.4 15.5 17.4 13.3 15.7 16.3 13.5 12.5 2014 15.3 13.1 13.9 12.1 17.3 14.5 12.8 17.4 16.6 17.5 15.5 13.8 2015 13.4 14.1 12.3 15.4 17.4 18.9 14.6 13.8 16.7 23.5 17.1 15.1 2016 15.9 17.2 16.0 17.1 14.8 17.3 17.5 13.9 11.0 12.1 12.6 14.7 2017 15.6 15.1 17.9 15.2 17.4 16.4 11.9 10.6 11.3 17.9 16.6 12.0 2018 13.4 14.3 13.9 16.9 15.9 15.8 14.0 9.9 17.1 17.7 10.2 12.9 2019 16.9 - 13.4 15.7 16.7 17.3 15.3 17.3 15.7 13.9 13.1 13.7 2020 13.8 18.9 15.8 14.0 18.2 18.0 16.1 16.0 16.2 17.3 15.7 15.5 2021 13.5 13.4 14.7 18.1 17.4 15.9 15.6 15.2 14.1 14.8 13.8 - 2022 13.5 15.7 14.4 20.3 17.6 14.8 13.4 14.9 18.6 16.5 14.9 13.0 2023 13.2 11.4 13.7 13.2 13.5 11.9 13.4 12.9 16.5 20.5 13.4 15.9 2024 16.5 15.3 18.1 20.6 - - - - - - - -