Erin 18Z pressure 1996 - 881.6 872.4 873.9 873.9 872.2 - - - 863.4 879.9 880.5 1997 882.3 881.4 869.1 873.0 865.4 877.8 - - - - 884.4 884.3 1998 878.5 875.4 872.9 864.0 872.7 871.4 - - - - 867.0 875.4 1999 879.6 878.9 874.1 868.0 867.1 886.2 - - - 860.2 870.0 869.4 2000 873.0 874.9 877.7 875.0 873.4 876.3 871.4 873.5 876.7 866.8 877.9 887.5 2001 882.4 881.7 872.7 871.3 873.9 874.7 876.9 865.6 868.1 863.9 871.9 873.3 2002 877.3 871.4 880.8 871.0 883.1 878.2 874.3 - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -