Concordia 18Z station_level_pressure 2006 - - - - - - - - - - - - 2007 - - 648.6 - - - - - - - - 643.8 2008 648.1 - 642.1 - 642.8 639.3 639.7 637.8 635.3 630.2 644.9 - 2009 649.2 - - - - 646.7 - - - - - 646.8 2010 - 648.4 - - - - - 630.9 - 636.5 - 655.6 2011 654.7 - - 645.0 636.3 641.2 - - - - - - 2012 - 646.4 641.4 639.8 638.4 - 632.0 638.3 - - - - 2013 - - - - - - 633.5 646.3 - - - - 2014 654.7 647.0 637.9 638.8 645.1 637.9 637.1 634.6 643.9 636.4 648.4 645.3 2015 - 643.5 650.6 634.3 634.4 640.5 631.2 632.9 630.4 - 641.7 651.7 2016 645.9 643.6 634.9 729.3 643.7 631.4 639.3 644.4 629.6 638.2 652.6 652.9 2017 656.4 651.9 642.5 639.0 639.6 635.2 636.8 633.0 633.7 721.6 640.3 - 2018 646.8 643.5 643.5 646.5 638.9 644.8 643.9 641.1 631.1 - 641.6 648.1 2019 647.8 648.0 - 640.0 640.8 632.0 645.0 640.5 632.5 639.7 652.5 656.8 2020 653.4 647.1 635.4 646.6 639.0 638.5 641.2 642.1 641.8 637.0 644.6 643.1 2021 646.8 641.9 642.9 633.9 637.7 640.0 644.6 643.1 634.9 643.5 638.8 647.4 2022 646.6 645.9 643.3 - 643.8 647.4 640.1 635.7 636.5 641.3 636.0 644.4 2023 643.9 646.9 641.8 647.4 635.6 645.2 634.3 633.7 642.7 634.2 642.3 642.2 2024 647.7 639.9 639.6 631.6 636.4 635.7 643.3 649.0 636.6 641.4 640.9 -