Drescher 06Z pressure
1993       -       -       -       -       -       -       -       -       -       -       -   981.9
1994   984.6       -       -       -       -       -       -       -       -       -       -   978.9
1995   983.9   979.2   980.7   984.2   979.2   985.4   992.8   982.0   979.3   982.9   979.3   977.5
1996   985.5   985.2   978.2   982.0   981.0   987.1   976.8   984.4   989.6   975.4   982.5   985.4
1997   987.9   987.7   975.6   985.7   978.0   988.1   980.2   979.9   977.9   981.6   986.7   988.7
1998   983.8   979.6   979.9   975.2   976.4   978.5   977.3   977.9   979.9   979.8   975.2   979.1
1999   984.5   984.1   984.0   976.4   980.7   993.0   981.8   974.4   979.5   969.8   979.8   974.0
2000   977.5   983.3   985.5   984.6   980.6   984.3   989.9   981.0   985.8   978.5   983.5   993.4
2001   985.6       -       -       -       -       -       -       -       -       -       -       -
2002       -       -       -       -       -       -       -       -   985.0       -       -       -
2003       -       -       -       -   980.5       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -