Marion 18Z msl_pressure
2003  1003.8  1008.8  1012.2  1014.7       -  1008.8  1006.1       -       -       -       -  1003.5
2004       -  1010.6  1006.0       -       -  1010.3       -       -  1009.0       -       -  1005.5
2005  1005.3  1010.0       -       -  1007.6       -       -  1004.5       -       -  1007.2       -
2006  1004.8  1004.8  1007.2  1005.7       -  1009.1  1012.2  1012.3  1006.6  1013.3  1006.1  1003.6
2007  1005.5  1009.6       -  1008.2       -       -  1002.9  1009.0  1004.4  1011.8  1002.2  1011.3
2008  1005.4  1008.9  1012.5  1004.8  1010.5  1016.3  1013.3  1009.0       -  1008.9  1006.5  1005.0
2009  1007.8       -       -       -       -       -       -       -       -       -       -       -