LGB35 18Z pressure 1994 733.8 728.4 722.2 727.7 726.2 742.7 729.9 721.1 727.7 725.5 732.5 730.0 1995 728.1 732.9 730.3 728.8 722.0 728.4 741.1 722.7 715.4 726.4 731.5 730.7 1996 - 734.2 726.3 727.6 722.8 728.9 731.4 732.2 735.1 722.2 735.0 738.4 1997 734.6 731.1 724.4 730.1 721.7 734.0 717.9 722.5 721.7 724.7 738.8 739.1 1998 731.3 729.7 725.7 712.8 726.4 727.4 724.4 722.0 725.1 724.0 729.6 729.1 1999 735.4 732.4 726.7 720.2 723.1 739.8 723.8 724.4 727.3 717.8 726.5 726.0 2000 729.3 727.0 726.2 - 723.2 732.2 726.1 727.8 728.1 717.3 736.1 740.5 2001 735.0 733.6 727.6 723.0 730.1 729.1 729.1 - 721.7 721.6 729.4 731.7 2002 734.5 726.8 732.7 728.8 740.1 730.1 731.3 720.6 726.8 733.6 727.9 729.3 2003 - - - - 727.3 736.5 725.5 - - - 729.2 742.9 2004 - 739.4 - - - - - - - - - - 2005 - 730.0 728.5 723.9 728.4 734.9 724.7 722.1 722.9 724.5 728.5 745.2 2006 734.5 729.5 727.1 729.2 725.4 730.7 716.9 736.0 725.6 - 729.4 731.9 2007 738.1 - 729.8 734.1 - - 739.3 726.9 725.9 728.1 732.5 731.5 2008 730.3 728.7 730.9 732.7 728.6 723.5 - - - - - - 2009 - - - - - - - - - - - -