Pegasus_South 18Z pressure
1991       -   993.5   988.3   993.1       -   997.2   999.6   990.5   988.6       -   990.4  1001.4
1992   994.0  1002.2   993.0   992.2   997.2  1002.7   989.0   993.1   982.4   986.7   984.2   988.3
1993  1002.1   987.2   994.3   990.5   992.3   987.1   981.9   986.8   986.8   985.9   988.1   989.7
1994   992.1   991.0   987.5   993.9   994.8  1008.1   998.3   984.6   999.0   986.9   992.9   988.3
1995   988.3   989.4  1000.1   993.0   990.2   998.2  1011.2   996.1   987.1   989.7   986.9   985.0
1996   993.3   997.9   993.4   986.9   994.6   991.1   992.0   996.5   998.3   981.0   995.2   992.7
1997   996.1   997.3   988.6   994.9   982.4   997.0   989.2   987.1   990.2   985.9   996.5   997.7
1998   992.3   988.5   990.8   983.9   991.4   986.6   988.8   988.5   998.2   989.4   982.8   989.4
1999   989.8   995.7   993.5   990.4   988.3  1008.5   988.3   993.4   991.4   974.4   980.4   982.3
2000   985.9   991.4   993.3   992.4   993.4   995.2   992.8   994.3   998.8   985.8   990.3  1003.3
2001   998.6   996.4   994.4   988.7       -       -   997.1   993.2   989.1   982.7   984.9   983.7
2002   989.9   985.7   999.4   990.0  1002.1  1003.9   998.7   988.3   995.8   999.1   991.5   986.5
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -