Port_Martin 12Z pressure
1991       -   986.3   979.1   986.3   980.4   989.2   991.1   980.8   982.0   974.4   984.0   991.4
1992   986.5   991.2   984.5   984.5   989.0   995.0       -       -       -       -       -       -
1993   990.0   984.3   984.7   981.5   975.3   974.4       -       -       -   972.1   975.7   980.7
1994       -       -       -       -       -       -       -       -       -   978.8   982.3   979.5
1995   982.8   982.2   982.5       -       -       -       -       -       -       -       -   977.5
1996   990.4   990.1       -       -       -       -       -       -       -       -   990.8   987.8
1997   987.6   980.9       -       -       -       -       -       -       -       -       -       -
1998       -       -       -       -       -       -       -       -       -       -       -       -
1999       -       -       -       -       -       -       -       -       -       -       -       -
2000   980.5   984.3   985.3   985.9   977.6   988.0   989.3   993.8   989.2   975.7   988.8   991.9
2001   986.3   986.1   989.0   984.5   994.0   984.0   994.8   983.9   981.0   977.6   982.6   981.7
2002   989.2   980.0   989.2   985.0   995.4   991.2   991.3   984.7   982.1   990.2   984.6   980.2
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -