Pegasus_South 12Z pressure
1991       -       -   988.3   993.6       -   998.0   999.7   991.0   988.2   985.3   989.8  1001.0
1992   993.7  1002.0   993.5   992.3       -  1002.8   989.9   993.0   982.3   986.4   984.0   988.3
1993  1002.4   987.0   994.8       -   992.6   986.0   982.5   987.9   986.2   985.9   987.8   989.4
1994   991.2   990.8   987.2   994.3   994.7  1008.2   998.6   984.8   999.0   987.1   992.6   988.0
1995   988.1   988.9   999.9   992.7   990.5   998.2  1011.5   996.2   987.8   989.5   986.7   984.7
1996   992.9   997.4   993.7   986.8   994.6   991.6   991.7   997.3   998.7   980.8   994.9   992.0
1997   995.6   997.2   988.8   994.3   981.9   996.8   989.5   987.6   990.5   986.1   995.7   997.6
1998   991.9   988.7   990.8   984.9   991.9   986.3   990.1   988.6   998.3   989.3   982.1   988.2
1999   989.9   995.5   993.7   990.4   988.2  1008.5   988.1   993.8   991.8   974.5   980.5   981.7
2000   985.7   991.0   993.2   992.6   993.3   995.6   992.8   994.8   999.2   985.8   990.3  1002.9
2001   998.2   996.2   994.6   988.7       -       -   997.4   993.7   989.4   982.2   984.6   983.1
2002   989.4   985.5   999.2   990.3  1001.7  1004.5   999.0   988.7   996.2   999.0   991.9   986.3
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -