Lettau 06Z wind_speed 1986 - 7.8 6.6 10.0 11.3 10.2 10.2 7.6 7.3 9.7 4.0 6.3 1987 8.7 6.7 6.3 5.5 7.7 7.6 5.5 7.8 5.1 0.0 - 7.7 1988 7.7 6.3 8.4 9.7 7.9 10.5 9.8 12.4 7.3 12.9 4.1 6.3 1989 7.6 5.5 8.2 9.7 9.5 5.9 8.4 9.4 11.0 11.4 11.7 6.4 1990 6.9 5.3 7.5 8.7 5.8 11.2 6.6 9.0 7.9 7.8 6.3 10.6 1991 5.7 6.3 8.6 9.6 9.5 6.8 5.9 - - - 8.1 6.9 1992 6.5 8.3 7.2 6.9 10.1 9.0 - - - - 8.8 6.5 1993 6.4 5.8 9.5 7.2 6.1 - - - - - 7.1 4.4 1994 7.7 5.9 9.0 7.6 8.3 10.6 8.0 - - - 7.1 7.0 1995 5.6 8.2 7.1 6.8 7.9 12.2 - - - - 11.2 8.8 1996 8.4 - - - - - - - - - - 7.5 1997 - - - - - - - - - - - - 1998 - - 8.4 6.3 10.7 - - - - - - - 1999 - - 6.2 8.2 8.4 6.5 11.2 - - 8.1 - - 2000 - - 8.6 9.9 9.0 9.8 11.2 8.2 11.1 - - - 2001 - - - - - 10.8 8.1 - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - 6.2 - - 9.0 14.4 9.7 - 9.2 7.6 7.2 9.4 2008 7.2 7.6 7.1 6.7 10.9 9.9 9.0 7.7 - - - - 2009 - 4.8 6.9 9.5 7.4 6.5 8.2 5.2 3.8 10.6 9.8 6.6 2010 4.2 5.9 6.4 6.0 6.9 7.4 10.9 9.8 - 4.8 9.4 7.4 2011 4.9 8.5 8.2 9.0 9.1 8.7 - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - 10.7 9.0 8.4 9.6 8.9 7.3 14.5 12.3 12.6 5.9 6.7 2015 7.3 8.9 8.5 - 8.1 9.6 9.9 11.4 15.5 11.5 11.3 9.6 2016 8.2 9.5 6.2 7.7 9.5 6.5 7.1 8.6 - 11.4 8.6 7.9 2017 6.7 5.9 6.3 8.1 - 10.3 10.5 13.0 9.7 10.1 8.2 5.8 2018 6.0 6.7 11.6 6.7 7.9 10.7 9.1 5.6 12.8 - 10.9 8.6 2019 6.6 8.7 9.5 9.3 10.3 10.6 10.1 10.4 12.9 9.9 8.2 7.7 2020 6.8 7.7 8.9 9.7 9.3 9.7 8.3 10.2 8.5 11.5 7.1 8.2 2021 9.4 9.2 8.4 9.3 9.4 8.5 8.0 5.2 9.4 10.7 10.9 10.2 2022 7.9 8.8 9.1 7.8 10.3 9.2 11.1 12.7 9.7 11.9 7.5 9.1 2023 6.6 7.9 8.9 7.8 7.1 11.8 6.4 5.7 12.6 - - - 2024 10.1 7.2 - - - - - - - - - -