GEO3 00Z pressure 1982 - 752.0 746.5 745.3 746.4 744.9 746.6 741.4 737.9 746.6 756.1 764.0 1983 759.0 757.2 750.5 746.3 751.6 749.4 743.8 744.3 743.6 741.7 745.9 751.5 1984 759.6 754.5 749.4 747.3 - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - 736.7 741.8 - - 1987 - - - - - - - - - - - - 1988 785.6 780.1 781.5 773.6 781.4 786.0 769.8 772.8 776.0 781.3 775.3 780.9 1989 - - - - 765.0 771.4 769.3 774.0 772.7 773.2 781.3 - 1990 - 779.4 779.2 783.4 783.6 778.6 786.6 767.5 763.2 776.1 778.0 781.4 1991 - 785.4 775.8 775.7 775.5 780.2 - 770.8 772.2 768.2 778.6 - 1992 - 785.8 779.5 777.9 783.4 782.7 772.5 770.4 766.1 773.2 772.3 - 1993 - - - 768.8 766.1 765.8 761.6 759.9 - - - 777.1 1994 779.1 775.0 771.3 776.4 775.7 783.8 776.1 767.5 771.0 769.6 779.2 775.4 1995 777.1 - 775.2 775.9 770.2 773.7 781.2 770.8 759.6 772.2 777.0 777.0 1996 - 781.4 773.0 773.2 770.8 776.1 776.6 772.9 781.1 768.9 780.6 781.7 1997 781.2 777.3 770.0 778.2 769.5 778.6 764.7 767.8 766.3 771.1 781.7 783.3 1998 778.8 776.7 774.1 761.9 772.5 771.7 769.7 765.3 773.1 771.1 770.6 775.2 1999 780.9 779.6 776.1 770.3 770.6 783.2 769.6 769.4 771.5 762.5 774.3 773.1 2000 775.1 775.6 773.6 776.4 768.8 776.2 772.3 771.8 775.3 767.2 780.6 786.2 2001 780.1 - - 768.6 - - - - - - - - 2002 - - 780.9 - - 775.1 776.8 767.1 773.6 779.8 776.8 776.0 2003 785.8 - - 772.4 774.7 - 772.2 767.8 769.1 772.4 777.0 786.8 2004 - - 772.1 772.3 - 769.9 765.4 766.2 764.6 - - 784.0 2005 - 777.4 776.6 770.5 774.4 781.0 773.8 769.7 767.2 770.1 774.2 790.5 2006 781.1 778.8 774.5 775.9 771.3 771.6 762.2 782.1 770.9 767.3 772.8 779.3 2007 782.6 777.7 778.5 779.1 776.7 781.8 783.5 773.0 771.9 773.7 777.4 775.5 2008 779.3 774.4 777.0 778.9 776.8 770.5 773.4 766.8 770.8 765.0 772.5 - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -