Dome_C_II 18Z pressure 1996 655.8 652.6 649.7 648.6 645.2 649.1 653.7 656.8 654.5 643.4 656.4 656.7 1997 655.7 651.8 645.3 649.1 644.8 656.4 641.1 644.0 645.7 646.1 660.5 657.7 1998 649.5 651.3 644.1 640.2 647.7 648.2 645.9 645.5 646.5 646.0 649.6 653.3 1999 653.1 651.3 646.9 638.7 642.2 661.3 646.5 647.2 647.4 640.1 648.2 645.5 2000 650.3 649.2 647.8 649.2 647.2 651.6 651.3 651.2 653.5 641.3 658.8 659.0 2001 656.5 653.8 651.1 646.3 652.8 650.0 654.2 643.4 646.3 645.5 649.8 654.7 2002 655.3 647.2 654.7 648.4 659.2 654.5 653.2 643.4 651.2 652.7 650.7 650.8 2003 - - - - 640.7 648.9 642.1 - - 641.7 - - 2004 - - - - - - - 644.3 637.0 - - - 2005 654.5 645.0 643.7 639.5 643.5 650.1 640.7 636.9 641.0 639.5 648.6 661.5 2006 653.6 - - - - - - - - - - - 2007 - - - 643.3 646.2 648.0 651.0 639.0 638.2 640.1 643.8 643.4 2008 647.4 639.1 641.7 644.5 642.4 639.5 639.3 635.2 635.1 630.0 - - 2009 - - - - - - - - - - - -