GF08 12Z pressure 1986 - - - - - - - - - - 740.3 - 1987 - 746.6 741.0 742.5 738.0 742.2 - 727.1 734.9 734.7 740.3 748.3 1988 750.7 743.5 744.5 - 749.5 751.9 733.8 737.6 - - 741.4 744.6 1989 750.5 742.3 740.9 741.8 729.8 737.8 732.9 743.4 739.0 738.9 742.2 753.8 1990 750.7 743.9 744.0 750.2 749.0 744.8 745.7 735.6 730.6 740.2 743.5 749.2 1991 745.4 748.9 740.9 741.9 739.9 745.0 749.8 736.9 737.8 732.4 746.3 753.6 1992 749.5 751.8 744.3 - 744.4 747.1 735.9 736.8 728.4 738.0 740.0 744.7 1993 752.8 742.1 741.5 738.6 731.3 736.5 729.1 726.8 732.0 731.9 738.1 742.9 1994 747.7 742.2 737.3 739.8 741.1 751.0 739.6 730.3 739.2 734.5 744.9 741.2 1995 743.9 743.8 741.7 739.0 735.4 742.9 755.8 737.2 727.9 735.9 744.2 743.4 1996 - 747.7 739.1 739.9 737.0 743.1 741.3 741.5 744.2 735.6 747.3 748.3 1997 747.3 - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - 747.9 746.3 746.9 748.4 737.9 753.9 758.9 2001 754.6 757.8 749.4 743.9 - - - - - - - 753.4 2002 752.7 747.2 755.9 748.1 757.2 751.1 749.5 738.8 745.7 752.8 749.0 749.9 2003 759.4 758.6 750.8 744.9 - 757.1 - - - 745.7 - - 2004 755.6 756.0 744.7 744.9 750.1 743.7 739.5 744.7 737.8 745.3 752.5 758.5 2005 756.3 748.8 752.0 742.6 747.4 754.2 744.4 741.1 741.6 743.3 748.8 764.3 2006 754.9 752.7 747.7 752.2 737.9 744.6 739.9 752.2 746.6 740.9 750.7 751.6 2007 753.9 761.1 757.2 757.5 752.1 750.3 - - - 752.1 753.1 754.9 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -