Minna_Bluff 18Z pressure 1991 - 883.2 875.6 - - - - - - - - - 1992 - 891.7 883.0 878.7 883.2 886.9 876.7 877.8 868.2 875.0 875.9 881.2 1993 893.1 876.9 881.1 875.2 875.9 870.7 867.4 870.3 - - - - 1994 - 869.2 862.7 870.1 866.3 879.3 871.6 856.6 870.9 863.1 870.9 878.8 1995 878.9 878.2 883.6 875.0 872.0 880.2 891.4 878.5 869.6 874.2 874.4 876.5 1996 884.0 886.7 878.9 872.9 877.4 874.2 874.0 880.5 881.0 866.0 883.4 883.9 1997 885.9 884.7 873.0 876.4 866.5 880.1 - - - - - - 1998 - 877.5 875.9 866.8 873.7 872.4 871.7 871.1 878.6 873.6 870.5 879.7 1999 879.8 882.2 878.7 875.0 873.1 891.5 873.5 876.6 876.4 861.1 867.3 870.3 2000 873.6 877.6 878.5 876.8 877.3 878.1 876.0 878.0 883.7 - - - 2001 - - - - - - - 875.7 872.7 867.7 871.3 - 2002 - 873.4 884.8 874.7 886.4 886.5 881.1 872.0 880.0 883.3 877.5 873.7 2003 - - - - 870.7 883.0 - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - 871.8 871.2 - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -