Marsh wind_speed 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 - - - - - - 13.7 - - - 7.6 - 1990 - 10.2 - 13.2 - - - - - 10.1 - - 1991 7.5 - 12.2 12.8 - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - 20.1 16.7 12.1 1994 15.9 - - 16.0 - - 19.4 19.8 - 18.6 14.9 - 1995 - - - 16.4 - 14.7 18.8 - - 15.7 16.9 - 1996 - 15.1 15.3 - 18.6 - - - 17.5 21.1 - - 1997 14.9 11.7 19.7 16.6 - - - - 15.8 18.3 - - 1998 13.4 - 15.4 21.1 13.8 13.9 17.7 18.1 16.2 17.6 16.9 16.0 1999 14.5 15.9 17.1 18.6 16.7 18.0 17.7 23.3 18.7 20.4 18.4 14.8 2000 15.5 14.5 17.8 19.4 - 18.7 12.7 18.5 20.6 19.3 13.1 15.5 2001 14.4 19.4 - 17.5 15.5 19.3 15.8 23.1 21.0 25.9 - - 2002 - 19.1 14.1 - 18.9 19.4 18.4 17.9 16.5 21.3 15.3 16.6 2003 14.1 15.4 18.4 18.0 18.2 22.3 18.3 - - 21.6 14.6 15.4 2004 14.6 13.4 - - 17.3 18.2 21.7 25.1 19.9 - - 17.6 2005 13.2 19.3 17.0 14.4 14.0 16.4 17.5 16.3 14.6 17.5 16.2 15.1 2006 - - 16.6 14.7 - - - 17.1 17.5 - 16.4 16.0 2007 12.5 12.7 14.1 18.5 - - - 19.0 16.3 20.3 14.6 14.2 2008 14.8 14.9 14.9 18.8 16.7 20.0 18.6 18.6 16.6 - 14.8 18.9 2009 14.0 15.7 15.9 - - - - - - - - - 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 19.2 15.1 - - 19.9 15.5 15.6 14.6 2025 14.4 14.7 16.4 16.6 16.4 18.4 18.4 21.6 18.2 17.7 13.3 17.8 2026 13.8 15.4 14.0 17.5 16.2 17.1 22.4 15.1 23.1 - - -