Marsh wind_speed 1970 9.8 11.6 11.0 13.8 11.9 12.8 12.0 10.0 12.3 10.9 11.6 13.4 1971 9.7 11.4 13.0 12.3 14.1 12.9 14.1 18.0 14.4 15.0 12.3 15.8 1972 15.5 14.9 15.2 14.9 14.4 13.6 17.0 13.4 15.4 12.4 13.7 15.7 1973 10.3 11.4 14.7 15.4 14.1 11.4 12.3 15.1 15.5 14.3 11.4 9.5 1974 - - - - - - - - - - - - 1975 12.6 11.3 13.0 16.7 12.3 11.1 11.5 13.9 11.4 13.2 11.9 11.4 1976 10.7 11.6 10.4 12.7 15.1 12.8 12.3 15.5 16.3 15.5 11.9 11.4 1977 11.3 11.8 11.3 11.5 14.9 14.8 8.2 13.6 15.7 15.3 10.2 11.2 1978 8.1 10.3 9.9 8.9 8.5 12.7 8.1 11.9 10.8 13.3 8.9 11.6 1979 10.4 11.5 12.7 16.4 9.0 14.5 14.6 13.9 12.6 14.1 12.9 10.6 1980 10.4 12.5 11.4 14.0 9.8 14.3 7.3 11.3 10.4 11.1 12.2 8.3 1981 9.6 9.4 9.6 12.1 13.3 11.6 12.6 14.8 12.4 11.0 12.3 10.0 1982 9.6 9.7 12.4 12.7 13.1 11.4 13.5 12.6 12.8 12.2 11.0 11.3 1983 12.6 11.0 9.7 9.9 10.6 10.9 13.3 10.4 11.1 12.4 11.5 9.3 1984 8.1 7.0 6.2 8.5 10.7 7.0 9.0 11.1 12.9 11.5 10.4 10.7 1985 13.6 11.7 11.5 13.4 15.7 12.2 17.6 14.5 17.3 16.4 11.5 12.2 1986 13.4 11.2 13.7 12.6 16.3 15.2 13.3 14.8 14.5 13.1 12.7 12.4 1987 11.2 10.3 12.6 12.4 14.2 13.0 10.5 11.9 13.2 15.4 13.5 10.6 1988 10.5 11.0 12.3 10.6 10.1 15.4 10.6 10.5 11.8 14.4 11.0 11.3 1989 12.4 11.2 13.4 15.6 13.5 15.1 13.9 13.8 17.4 14.3 7.8 9.2 1990 10.6 10.2 10.3 13.2 9.8 10.5 10.4 13.1 11.4 10.3 11.3 8.0 1991 7.6 12.7 12.2 12.8 13.0 11.5 12.4 13.4 11.8 15.1 12.8 12.7 1992 10.0 11.9 9.6 8.1 9.3 10.2 11.8 11.8 12.4 11.9 11.4 10.5 1993 10.0 9.8 15.1 16.8 19.3 16.0 14.2 14.0 19.4 20.1 17.0 11.9 1994 15.3 16.7 15.1 15.6 15.1 14.5 18.8 19.9 19.5 18.3 14.9 13.8 1995 14.6 15.0 18.2 16.7 19.2 15.6 18.8 17.9 17.7 16.8 16.9 14.6 1996 17.1 15.2 15.4 15.0 19.5 20.2 20.2 16.1 17.6 20.8 20.4 16.0 1997 15.1 12.0 19.1 16.5 17.3 15.3 16.5 19.2 15.7 18.1 15.6 10.8 1998 13.6 13.5 15.1 21.1 14.2 13.9 17.8 17.9 16.0 17.6 16.9 16.1 1999 14.5 16.5 16.7 18.7 16.5 17.7 17.7 23.0 18.3 20.2 17.7 14.6 2000 15.6 14.5 17.9 19.4 16.4 18.6 12.9 18.4 20.4 18.7 13.1 16.1 2001 14.4 19.2 18.8 17.1 15.5 19.0 16.6 23.0 21.1 25.5 19.9 21.4 2002 15.8 19.0 14.1 18.2 18.9 19.4 18.1 17.8 16.5 21.2 15.1 16.6 2003 14.1 15.2 18.2 17.8 18.0 21.7 18.1 21.9 18.4 21.0 14.3 15.2 2004 14.7 13.6 16.4 16.9 17.3 18.2 21.8 25.3 20.1 19.4 18.0 17.6 2005 13.2 19.3 17.4 14.3 14.1 16.3 17.4 16.4 14.8 17.0 16.5 15.1 2006 11.3 14.7 16.5 14.9 20.7 16.6 19.6 17.1 17.9 18.1 16.0 15.6 2007 12.3 12.5 14.5 18.0 16.8 15.6 15.6 18.2 16.3 20.4 14.3 13.9 2008 14.7 15.0 15.0 19.0 16.5 20.4 18.6 19.3 16.9 16.9 14.7 18.6 2009 14.0 15.7 15.9 15.0 20.6 18.4 16.3 17.9 17.9 22.1 16.0 16.2 2010 - 17.5 18.3 - 19.8 21.2 - 19.4 - - 18.8 17.8 2011 15.9 17.2 - 19.0 17.4 21.7 - - 19.1 17.2 18.8 - 2012 - - 15.8 21.2 16.3 25.2 18.7 20.4 21.8 18.8 16.4 9.9 2013 15.1 14.6 15.2 18.3 18.7 17.9 21.1 20.9 15.3 17.4 17.3 12.7 2014 14.6 15.9 17.0 18.4 19.7 17.9 18.1 19.5 15.0 19.7 21.4 14.2 2015 13.5 14.6 15.6 16.0 16.2 19.7 17.5 19.1 - 19.6 19.1 - 2016 - 15.5 16.7 - 15.2 18.4 - 17.9 - - - - 2017 - 14.7 13.9 17.1 17.3 23.3 21.1 - 24.2 18.3 14.1 - 2018 12.5 14.8 18.0 18.6 17.6 17.4 - 19.7 19.2 17.3 18.0 17.2 2019 13.3 13.0 15.1 17.6 17.9 19.6 13.5 16.7 21.1 19.8 17.7 12.8 2020 11.8 14.7 16.3 18.2 15.0 16.5 17.8 24.4 19.6 18.1 18.7 15.7 2021 15.5 16.2 18.4 18.3 17.6 16.1 18.4 21.3 22.2 21.6 16.9 22.1 2022 14.6 15.5 16.7 17.3 19.0 19.5 18.1 20.1 21.3 - 21.5 15.7 2023 17.6 14.6 15.9 16.4 18.9 20.0 18.6 19.2 19.7 22.6 17.9 14.6 2024 13.9 16.4 14.1 17.3 - - - - - - - -