Lettau 06Z wind_direction 1986 - 156.0 181.2 147.3 163.6 154.0 166.6 178.3 186.2 161.0 24.3 172.2 1987 164.1 218.7 220.1 229.3 161.5 168.9 351.4 163.6 95.8 - - 147.9 1988 157.5 165.1 177.3 177.2 182.8 166.4 162.1 154.2 175.1 163.1 175.1 153.5 1989 144.2 236.8 175.6 160.4 175.7 182.1 190.2 173.7 181.7 155.0 153.3 176.7 1990 183.1 214.9 141.5 164.3 180.9 172.0 186.6 179.7 169.2 182.5 180.2 156.2 1991 145.2 191.2 173.5 175.1 136.3 164.0 193.6 - - - 153.6 169.5 1992 167.5 170.6 150.7 166.1 153.1 189.1 - - - - 186.9 161.7 1993 176.7 180.5 184.5 178.3 184.0 - - - - - 151.9 195.4 1994 167.0 195.7 181.0 147.8 152.6 162.8 150.6 - - - 163.2 150.0 1995 151.9 157.1 144.8 178.9 202.3 132.3 - - - - 162.9 164.7 1996 129.1 - - - - - - - - - - 160.5 1997 - - - - - - - - - - - - 1998 - - 171.1 147.7 155.0 - - - - - - - 1999 - - 183.1 175.4 182.9 192.4 162.6 - - 167.4 - - 2000 - - 145.5 151.2 160.4 157.9 166.7 159.2 23.6 - - - 2001 - - - - - 356.6 253.5 - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - 156.5 334.9 349.5 - 68.4 82.7 - 60.9 - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -