LGB10 18Z pressure 1990 710.8 703.6 702.1 - - - - - - - - - 1991 - - 699.8 - - - - - - - - - 1992 - - - - - - - - - - - - 1993 713.7 702.6 700.7 697.0 694.7 693.6 689.3 688.9 691.0 693.5 699.0 704.7 1994 705.8 701.3 695.6 699.8 697.6 710.7 701.5 691.8 696.7 695.7 704.7 702.2 1995 702.0 705.2 701.4 701.5 694.4 698.5 708.8 693.8 685.8 697.5 702.8 703.3 1996 - 707.8 698.4 698.2 694.2 701.0 701.4 699.9 706.7 694.6 706.8 708.8 1997 707.3 703.3 696.2 701.9 693.5 704.1 689.6 693.1 691.2 695.8 708.8 710.6 1998 704.7 702.2 698.9 685.6 697.5 697.6 695.1 691.3 696.7 695.8 699.2 702.0 1999 707.3 705.0 699.6 693.4 694.7 709.1 694.0 694.7 696.8 688.4 699.2 699.4 2000 702.0 700.5 698.1 701.5 693.9 702.0 696.9 698.0 700.2 690.1 706.5 712.0 2001 707.1 707.5 701.2 694.2 701.2 699.9 699.8 - 691.2 694.0 700.1 702.0 2002 705.8 - 705.6 700.7 710.0 700.3 701.9 691.6 698.3 705.2 701.0 702.5 2003 - - - - 698.2 705.8 696.6 - - - 702.6 - 2004 - - - - - - - - - - - - 2005 - 703.2 701.9 695.3 - 706.2 - - - - - 717.0 2006 707.7 703.0 699.3 701.2 - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -