Marion 06Z station_level_pressure
2003   999.9  1006.4       -  1012.1       -  1005.8  1003.6       -       -       -       -   999.1
2004       -  1008.1       -       -       -  1008.7  1002.4       -  1006.7       -       -  1003.2
2005  1003.1  1006.0  1006.9       -  1005.8   998.8  1004.9  1001.6       -       -  1005.6   993.7
2006  1002.0  1001.5  1004.1  1003.5       -       -       -  1008.9  1002.9       -  1003.1       -
2007  1001.7  1006.6  1012.0  1006.6       -       -   999.6  1005.2   999.8  1009.3   998.2  1008.0
2008  1002.4  1005.9  1009.2  1002.7  1005.6       -       -  1005.3       -  1004.6  1003.8  1001.8
2009  1005.1       -       -       -       -       -       -       -       -       -       -       -