Marion 18Z wind_speed
2003    13.7    15.1    14.8    13.3       -    18.3    15.9       -       -       -       -    16.8
2004       -    12.2    16.9       -       -    13.6       -       -    14.6       -       -    16.8
2005    11.6    11.7       -       -    15.0       -       -    15.8       -       -    12.3       -
2006    14.8    15.4    14.2    17.8       -    16.4    15.5    15.3    19.5    13.4    17.3    14.0
2007    12.8    14.1       -    17.2       -       -    17.3    16.5    19.4    16.0    13.5    12.7
2008    15.9    14.7    13.0    13.3    12.0    13.8    11.4    14.5       -    17.2    13.8    15.4
2009    12.1       -       -       -       -       -       -       -       -       -       -       -