Schwerdtfeger wind_speed 1985 - 5.7 10.0 7.4 - 10.8 7.9 8.1 9.4 9.7 5.9 7.8 1986 4.2 7.3 8.8 11.4 12.1 9.8 9.7 9.7 8.7 10.4 7.7 6.0 1987 7.6 6.8 5.4 7.5 10.0 13.7 10.2 8.9 6.7 - - - 1988 - 6.3 8.3 10.7 10.8 11.9 12.4 14.1 10.0 11.6 5.7 5.7 1989 7.5 3.3 6.9 11.9 11.2 9.0 10.6 10.2 11.1 11.4 11.7 4.7 1990 4.7 5.4 7.1 9.5 8.8 9.9 8.0 - 9.3 8.1 - 9.7 1991 4.9 6.7 9.8 9.6 11.4 11.2 9.2 9.1 14.3 10.4 7.9 7.0 1992 4.7 5.8 9.4 7.7 9.5 11.0 12.1 - - - - - 1993 - 9.2 10.9 11.1 8.9 12.7 - - - - - - 1994 - 7.2 9.8 - - - - - - - - - 1995 - - - - - - - - - - - - 1996 - 5.4 10.1 11.5 7.7 12.2 11.9 11.0 11.8 10.4 7.9 7.7 1997 6.5 7.3 5.5 9.6 13.8 - - - - - - - 1998 - 8.1 9.3 9.5 10.6 11.1 10.1 10.8 10.4 11.8 10.2 4.7 1999 9.0 6.1 8.7 9.6 11.7 7.5 11.3 9.0 11.9 11.2 10.4 6.0 2000 7.3 8.9 10.2 12.0 11.1 9.9 13.6 - - 7.9 10.8 4.6 2001 5.2 8.3 8.6 11.1 10.2 12.8 - 6.8 11.1 10.2 8.9 8.1 2002 5.2 8.3 10.7 9.8 11.4 7.9 8.9 10.8 10.1 8.5 7.2 6.8 2003 - - - - - - 14.2 - - - - - 2004 - - - - - - - - - - - - 2005 - 7.3 9.6 11.8 13.8 12.9 12.3 12.4 - 13.9 8.8 7.3 2006 7.3 - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -