GEO3 12Z pressure 1982 - 751.6 746.4 745.0 747.0 745.2 746.9 740.9 737.7 746.9 755.8 763.5 1983 759.1 756.7 750.6 746.7 751.5 749.3 743.8 744.6 744.1 742.5 745.9 751.8 1984 759.4 754.4 748.8 - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - 736.7 741.1 749.6 - 1987 - - - - - - - - - - - - 1988 786.1 779.4 781.0 773.9 781.4 785.8 - - 776.6 781.3 775.9 780.6 1989 786.8 779.8 778.1 778.5 764.4 771.1 - 774.3 773.4 772.9 781.4 784.4 1990 786.9 779.2 779.2 783.9 783.5 777.9 - 768.1 762.7 775.0 779.3 781.8 1991 779.6 785.4 775.9 776.3 776.0 780.7 - 769.4 773.3 767.9 779.3 791.1 1992 784.8 785.7 780.5 778.1 783.1 783.7 - 770.4 766.7 773.3 773.2 780.2 1993 789.1 771.3 772.7 768.0 765.8 765.9 760.6 - - - - 776.9 1994 778.8 774.9 771.4 776.4 775.8 783.5 776.0 767.7 770.8 770.0 779.4 775.4 1995 - 779.1 775.8 776.0 770.3 774.2 781.2 771.0 759.6 772.9 777.5 777.0 1996 780.5 781.5 773.3 773.1 771.0 776.6 776.3 773.3 781.3 769.3 781.0 782.0 1997 781.3 777.5 770.1 778.1 769.4 779.1 764.5 768.2 766.9 771.2 782.4 783.5 1998 778.9 776.6 774.0 762.3 772.6 772.1 770.2 765.3 773.4 771.3 770.9 775.7 1999 781.0 779.6 776.3 770.3 770.0 783.4 769.8 769.0 771.6 762.9 774.0 773.0 2000 775.3 775.2 773.6 775.5 769.4 776.5 772.3 771.9 774.8 767.1 781.0 786.2 2001 780.8 782.5 776.2 768.6 776.2 774.4 - - - - 772.7 774.7 2002 779.7 773.5 780.8 - 784.1 775.7 776.9 767.2 773.6 780.2 776.6 776.1 2003 785.7 782.1 776.5 771.9 774.6 781.0 773.0 767.1 769.6 772.5 777.5 786.9 2004 781.0 - - 771.9 774.9 769.7 765.5 - 764.9 773.5 776.1 - 2005 782.5 776.7 776.7 770.4 774.5 782.0 773.9 769.7 767.1 770.5 774.8 789.9 2006 781.3 - - - 771.5 771.4 762.5 782.0 771.1 767.2 773.4 779.3 2007 782.7 777.6 778.5 778.6 777.1 782.0 783.4 773.3 771.8 773.9 777.9 775.6 2008 779.3 774.7 777.0 778.9 776.8 770.9 773.5 767.6 770.4 765.5 772.9 778.5 2009 781.5 779.2 - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -