Harry 12Z pressure 1995 - - 875.7 867.7 865.5 876.2 882.4 870.5 863.3 865.3 868.5 - 1996 - 877.8 868.4 870.2 - 868.3 - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - 874.6 869.7 863.8 862.1 881.8 868.2 866.0 870.6 854.5 865.2 865.2 2000 869.2 872.0 873.8 870.2 869.9 872.7 867.3 869.3 873.2 863.5 873.5 883.8 2001 879.4 878.3 869.5 868.1 869.1 870.6 873.5 860.8 863.2 858.8 867.7 869.0 2002 874.0 866.9 877.6 866.7 879.7 875.9 869.7 862.2 874.5 879.2 874.1 870.4 2003 882.1 877.9 872.5 865.0 869.2 877.7 866.3 860.2 865.0 862.8 870.6 883.1 2004 875.1 880.4 868.6 866.9 866.4 864.5 858.4 861.6 866.3 866.3 867.1 880.6 2005 879.3 867.7 869.9 865.0 869.7 876.5 868.4 861.3 864.0 861.4 870.4 885.7 2006 877.3 876.2 870.5 870.0 860.3 869.0 860.9 877.9 871.1 862.1 868.7 874.0 2007 877.9 872.1 875.9 873.0 871.2 - - - - 867.9 872.9 867.7 2008 873.1 870.9 873.2 870.8 868.3 866.7 864.7 861.2 861.3 862.7 867.2 870.1 2009 872.1 872.7 868.1 874.4 872.4 873.7 874.0 868.6 863.8 862.1 875.1 873.1 2010 884.1 878.8 869.2 867.3 866.5 860.3 852.9 859.4 863.9 861.2 862.7 878.3 2011 880.7 874.3 875.6 875.2 865.2 874.4 874.7 873.4 871.0 868.7 875.3 868.9 2012 868.3 874.6 871.5 868.6 869.9 871.8 862.5 866.2 863.8 865.8 875.1 879.1 2013 879.2 868.1 867.5 864.5 869.8 875.9 864.2 872.4 872.9 868.8 868.0 875.6 2014 877.5 872.0 869.4 863.7 872.3 866.0 864.4 864.9 873.3 - - - 2015 - - - - - - - - - - - - 2016 - 868.5 863.3 868.3 866.5 860.9 868.5 874.1 854.5 864.7 877.1 879.0 2017 - - - 872.9 - - - - 858.2 - - - 2018 - - - - - - - - - - - - 2019 - 877.0 870.8 867.5 873.1 861.1 870.7 870.0 860.2 867.9 879.3 883.6 2020 878.9 872.5 864.2 867.2 865.2 866.0 867.3 873.7 868.3 859.0 863.4 867.2 2021 872.3 865.9 871.6 862.6 870.2 870.2 872.1 866.6 859.4 865.5 865.1 864.3 2022 873.0 869.8 869.5 869.3 868.2 872.5 862.3 863.7 860.0 864.9 862.8 868.7 2023 869.1 872.4 868.8 875.1 864.9 874.8 866.9 866.1 869.7 861.8 868.7 868.6 2024 873.5 872.1 868.8 862.4 863.1 866.0 870.3 876.5 867.1 - - -