Lettau 12Z wind_direction 1986 - 169.0 172.4 163.9 155.7 156.3 177.5 182.1 181.9 192.6 24.4 180.8 1987 166.4 281.3 180.7 163.0 170.2 163.4 11.7 159.0 36.9 - - 155.7 1988 168.4 180.5 183.6 190.9 174.6 155.4 173.8 150.4 119.8 159.8 205.4 154.2 1989 153.7 228.7 173.8 146.8 154.6 168.5 185.8 163.3 180.8 157.4 145.6 192.8 1990 177.1 249.8 157.4 137.6 120.0 167.2 206.2 189.3 158.1 186.4 170.7 158.5 1991 182.4 179.1 181.5 167.0 137.3 156.0 194.4 - - - 176.5 170.2 1992 178.2 172.9 161.5 159.9 186.3 171.0 - - - - 197.8 173.7 1993 193.4 191.4 168.4 178.2 175.5 114.5 - - - - 164.3 208.4 1994 165.8 203.3 204.3 164.3 157.5 156.7 160.7 - - - 175.2 114.8 1995 178.4 174.6 175.5 174.5 211.1 140.8 - - - - 166.2 167.5 1996 146.1 - - - - - - - - - - 161.2 1997 178.1 - - - - - - - - - - - 1998 - - 168.2 175.0 160.0 - - - - - - - 1999 - 170.6 189.6 175.4 170.0 182.7 162.5 - - 167.9 - - 2000 - - 148.3 151.6 159.8 153.0 163.9 158.6 104.0 - - - 2001 - - - - - 71.9 293.0 - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - 54.3 - - - - - 2004 - - - - - - - - - - - - 2005 - - - 321.4 335.3 - - 97.2 136.2 55.0 - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -