Great_Wall 12Z wind_speed 1987 - - - 15.5 - - 13.9 16.0 - - 18.3 13.0 1988 - - 15.5 - 13.9 - - 13.2 - 16.7 13.2 12.8 1989 13.3 11.2 13.9 20.0 18.2 17.5 - 17.9 22.1 22.7 13.5 13.0 1990 12.1 13.0 18.3 18.9 13.0 16.0 14.9 18.0 14.8 17.4 17.3 - 1991 15.0 14.5 13.6 13.0 - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - 17.7 17.9 10.3 1994 13.7 13.9 12.7 16.3 12.1 11.0 14.4 - 16.1 15.1 11.8 - 1995 - 11.8 14.2 14.9 16.5 13.4 12.8 13.0 9.9 12.3 12.3 10.2 1996 11.9 11.1 10.2 10.3 13.0 13.4 - 12.9 14.2 15.8 16.8 13.8 1997 13.0 - 16.0 14.0 14.3 10.5 - - 11.6 14.0 12.7 8.9 1998 10.6 11.0 10.5 18.4 13.5 11.5 13.9 12.9 14.7 14.1 14.3 11.8 1999 10.3 13.9 15.5 16.3 14.0 17.2 17.2 16.5 14.5 16.5 15.6 11.6 2000 12.1 10.6 13.2 18.7 15.6 15.9 12.8 15.3 16.5 20.0 12.3 16.3 2001 12.5 14.1 - 16.3 17.2 18.2 - 19.7 18.3 22.8 - - 2002 - 12.4 10.9 - 10.7 17.2 14.2 17.2 13.7 15.8 12.5 14.5 2003 9.7 11.8 14.1 14.7 15.1 12.1 15.6 - - 17.4 13.1 16.9 2004 13.1 11.0 13.2 16.3 17.0 16.2 18.8 20.9 18.3 - - 14.8 2005 11.7 15.7 14.3 12.7 11.5 14.6 14.5 13.6 12.5 16.1 15.1 12.3 2006 - - 13.3 12.1 - - - 13.5 13.5 - 14.9 14.0 2007 12.0 10.3 11.4 - - - - 17.5 13.3 17.2 12.7 14.3 2008 - 14.8 11.0 15.9 15.1 16.7 14.8 16.4 16.1 - 14.0 17.6 2009 12.3 - - - - - - - - - - -