San_Martin 12Z station_level_pressure
1996   988.0   984.3   980.5   992.7   979.6   991.4   984.8   988.2   987.8   978.5       -       -
1997   985.0   990.2   984.8   983.5   995.4  1001.9   990.5   981.9   993.3   988.5   995.8   996.8
1998   984.2   991.9   987.2   982.9   999.6   991.4   974.5   980.6   984.5   976.1       -   980.9
1999   984.1   979.9   988.4   979.0       -   994.0   984.4   989.4   989.5   979.2   980.1   977.4
2000   977.5   990.9   999.5   980.8   990.8   992.2  1001.2   990.6   999.2   987.1   992.6   989.3
2001   988.7   989.5   984.7   984.4   991.9   990.5   996.6   973.0   984.5   971.7   973.3   975.5
2002   984.5   980.0   991.4       -   996.6   992.3   991.7   997.0  1001.3   987.0   989.4   985.0
2003   991.1   982.5   994.2   988.8   986.3       -   976.9       -       -       -       -   995.0
2004   985.3   992.5       -       -   989.7   986.8   985.3   984.4   978.0       -       -   990.3
2005   985.9       -   986.2   981.5       -   997.0       -   988.0       -       -       -       -
2006   990.3       -   975.7       -       -       -       -  1000.4       -       -   981.4   984.1
2007   991.9   987.9   988.4   990.9   996.2   992.6   996.9   982.6   990.2   981.8   990.1   981.8
2008       -   985.3       -   983.9       -   990.0   993.0   986.3   989.9   979.6   979.2   977.7
2009   982.0       -       -       -       -       -       -       -       -       -       -       -