Law_Dome_Summit 12Z pressure 1987 832.8 824.6 819.1 - 816.5 820.9 - 804.6 813.4 813.9 816.1 826.1 1988 828.7 822.3 823.5 820.0 829.4 829.7 811.7 817.7 821.2 827.0 819.9 822.7 1989 828.5 821.4 820.0 - 809.0 817.0 812.2 821.9 818.9 819.3 820.4 833.3 1990 - 822.3 822.6 829.9 830.0 823.4 821.8 817.5 811.0 820.4 823.4 826.9 1991 824.6 827.0 819.3 - 819.8 823.4 - 816.4 - 811.5 - - 1992 821.2 824.6 817.2 812.3 817.4 821.7 810.1 810.9 801.2 809.8 812.1 817.1 1993 824.3 815.6 814.8 812.5 805.3 810.8 803.2 800.3 805.4 805.6 811.1 816.3 1994 820.2 815.1 810.9 812.2 816.2 827.1 813.0 805.5 812.6 809.5 819.3 814.3 1995 817.1 817.3 815.5 811.7 808.1 818.6 831.4 813.0 - - - - 1996 - - - - - - - - - - - - 1997 - - - - - 826.7 - - 816.9 - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - 811.9 - - - - 2003 831.8 - - - - 829.2 814.7 - - - - - 2004 - - - - - - - - - - - - 2005 - 820.8 823.4 815.5 819.7 828.4 817.4 815.2 817.0 814.9 822.6 835.2 2006 826.7 823.9 819.5 824.5 - - 812.8 825.9 818.0 813.3 822.8 823.4 2007 828.3 823.0 825.0 823.6 - - 833.1 820.0 821.6 818.5 823.9 821.9 2008 823.8 - - - - 818.9 820.7 814.7 810.5 811.9 823.3 823.8 2009 - - - - - - - - - - - -