Marion 12Z msl_pressure
2003   996.6  1008.0  1010.4  1013.7       -  1008.0  1006.0       -       -       -  1002.1  1001.8
2004       -  1010.2       -       -       -  1010.5  1003.7       -  1006.5       -       -  1005.2
2005  1004.7  1009.4  1009.8  1014.4  1006.9       -  1007.1  1004.2       -       -  1007.9       -
2006  1004.8  1004.5  1006.6  1004.7       -  1008.3  1010.5  1011.5       -       -  1005.2       -
2007  1004.4  1008.7       -  1008.9       -       -  1001.6  1007.6  1002.7  1010.0  1001.5  1011.0
2008  1005.5  1008.9  1011.6       -  1009.2  1017.2       -  1008.0  1004.4  1007.5  1006.0  1004.6
2009  1007.6       -       -       -       -       -       -       -       -       -       -       -