Ferrell 12Z wind_speed 1981 - 9.5 11.9 12.3 15.7 14.7 10.2 10.3 12.0 9.0 9.2 6.8 1982 7.1 8.8 8.9 9.2 7.2 13.5 8.8 15.1 11.3 10.3 12.6 8.3 1983 6.0 8.3 13.6 18.2 16.2 7.1 10.6 - - - - - 1984 5.6 10.2 10.7 15.6 12.3 16.8 12.1 9.8 9.4 - - - 1985 - 7.3 11.1 6.8 - - - - - - - - 1986 - 6.6 9.7 10.7 17.7 7.7 - - - - - - 1987 - 8.4 7.7 8.9 12.5 13.0 11.5 9.6 8.8 8.2 4.9 6.7 1988 6.9 6.3 10.1 13.8 13.8 16.1 9.2 18.7 10.2 11.6 6.7 7.4 1989 8.5 7.1 9.2 14.0 - - - - - 13.1 13.0 6.6 1990 4.7 9.2 10.7 14.7 13.8 13.1 9.6 9.4 7.9 10.8 7.9 11.6 1991 5.1 10.3 13.1 11.8 14.8 12.9 - - - - 10.5 11.6 1992 7.6 7.7 18.1 10.1 11.7 10.9 14.8 - - - - - 1993 - 13.2 12.4 11.4 9.6 16.5 13.1 9.5 10.9 9.4 7.0 6.2 1994 7.6 7.7 9.9 10.9 12.0 10.5 12.9 10.0 7.4 10.0 7.2 8.7 1995 7.9 9.1 9.2 9.2 11.6 12.5 8.6 12.1 13.5 10.2 10.8 8.8 1996 8.6 7.2 8.5 10.0 8.2 15.1 - 15.3 9.3 9.3 9.0 8.3 1997 6.3 9.4 5.8 6.0 14.9 - - - - 14.3 14.8 6.7 1998 5.3 8.6 9.5 6.8 - - 9.7 - - - - - 1999 - 7.7 - - - - - - - - - - 2000 0.0 - - - - - - - - - - - 2001 - 6.9 5.0 6.5 8.3 15.4 13.3 5.0 8.5 11.4 8.4 8.1 2002 5.6 7.4 12.5 9.7 15.8 - 4.1 - - - 8.5 6.6 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - 9.3 7.3 2007 8.0 10.3 12.6 9.5 11.6 15.5 12.9 17.6 16.1 11.0 12.0 10.8 2008 9.6 11.6 8.2 11.9 12.0 18.6 9.6 3.8 16.9 10.6 - - 2009 - - - - - - - - - - - -