Great_Wall 06Z wind_speed 1987 - - - 14.9 - 18.5 15.0 14.5 - 18.1 17.6 - 1988 - 13.8 16.2 - 12.9 - - - - - 10.9 12.9 1989 - 10.8 - 19.8 - 16.4 20.4 - 25.1 22.9 11.8 12.9 1990 14.2 15.9 16.6 15.9 14.9 16.0 - 16.3 15.7 16.9 - - 1991 - 16.1 14.3 15.3 - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - - 16.9 10.6 1994 14.9 14.6 15.2 14.5 13.0 11.9 - - - 16.6 11.9 - 1995 - - 14.0 - 15.1 12.4 13.6 - - - - 10.0 1996 12.1 12.1 11.7 9.3 11.5 14.0 16.5 14.8 15.2 16.7 14.9 - 1997 13.4 - 15.8 15.0 15.4 - 13.7 14.4 - - - - 1998 9.2 11.2 12.1 18.3 13.2 12.1 15.4 14.0 15.3 13.2 14.8 11.6 1999 10.0 14.8 14.2 13.9 - - - - - - - - 2000 10.7 10.3 14.1 16.1 14.3 15.7 13.4 16.9 18.2 20.0 10.2 13.4 2001 - 14.4 - 15.6 15.1 18.1 - 21.0 - 24.8 - - 2002 11.2 12.6 7.9 11.9 12.4 11.6 13.7 14.2 13.3 17.0 12.8 13.5 2003 10.2 13.6 14.7 14.6 14.8 12.1 15.7 - - 18.5 12.7 11.6 2004 11.4 10.1 - - 15.4 15.3 18.5 19.4 16.2 - - 15.3 2005 11.5 16.3 15.1 11.7 11.2 14.1 12.2 14.5 - 17.4 13.3 12.2 2006 - - 13.6 13.8 - - 15.4 14.6 15.9 - 13.5 - 2007 9.9 11.5 12.1 15.9 - - - - 14.1 - 12.9 12.9 2008 - - 13.8 15.9 16.3 17.8 17.1 17.3 16.4 - 13.6 17.4 2009 12.3 - - - - - - - - - - -