Possession_Island 18Z pressure 1993 987.7 970.8 978.8 975.5 975.6 967.7 967.6 970.5 969.8 966.7 973.0 976.2 1994 978.6 974.7 971.3 977.5 978.8 992.5 981.8 969.5 981.8 970.6 976.0 973.1 1995 973.8 974.3 981.4 976.4 972.6 982.6 992.4 979.5 969.8 970.2 971.9 971.0 1996 979.0 981.6 976.3 973.1 977.4 972.9 978.1 979.2 983.9 965.9 - - 1997 981.7 978.7 970.2 979.5 967.9 977.1 973.2 970.4 972.4 968.2 - - 1998 - 972.5 973.8 969.4 974.9 971.3 974.2 970.1 978.7 974.1 - - 1999 977.8 978.8 975.9 971.5 972.9 987.6 972.0 977.7 975.1 960.6 - - 2000 971.9 974.4 975.6 974.7 975.5 979.7 977.2 977.4 982.0 969.1 - - 2001 983.8 981.5 978.0 971.6 980.0 975.4 981.1 976.4 974.6 966.4 970.3 970.7 2002 976.9 971.3 982.3 973.4 982.7 984.6 983.2 973.1 977.9 982.2 975.6 972.2 2003 983.3 982.6 978.4 971.5 970.1 984.1 973.0 972.8 971.1 968.8 972.3 985.4 2004 977.2 984.8 975.4 975.1 977.1 972.4 971.4 976.7 976.5 973.0 971.1 985.0 2005 978.6 971.9 975.4 973.9 974.2 980.0 975.2 968.9 973.6 967.3 974.8 988.5 2006 978.9 977.4 977.4 981.8 970.8 974.3 972.9 983.8 - 968.7 971.4 976.8 2007 979.6 974.9 982.6 977.6 981.2 979.9 988.9 - 972.2 975.0 975.8 970.7 2008 971.9 972.0 977.3 979.0 978.9 969.1 974.9 - 968.6 967.5 971.8 974.6 2009 974.0 975.4 974.5 976.1 983.5 983.0 - 981.1 976.6 968.4 974.9 975.8 2010 987.1 980.7 975.4 974.3 977.0 - - - 972.4 969.5 968.5 982.2 2011 982.7 974.9 978.8 981.1 970.3 - - - 980.2 971.8 979.3 970.5 2012 970.8 977.3 975.1 975.5 970.8 - - - 971.0 971.0 980.1 982.1 2013 979.1 969.7 969.1 974.0 975.9 - - - 983.2 975.7 972.8 979.0 2014 980.5 975.2 973.1 975.0 976.0 - - - 977.7 963.9 977.7 975.7 2015 976.4 969.7 974.7 973.2 978.7 - - - 968.8 969.2 968.1 978.1 2016 969.4 973.9 969.7 976.0 - - - - - 972.0 985.1 981.0 2017 981.5 979.7 977.9 974.7 - - - - 972.0 972.8 968.9 976.5 2018 975.5 974.2 976.1 980.2 - - - - 967.3 966.5 969.9 973.7 2019 975.9 979.4 975.1 975.3 978.9 - - - - 975.2 985.0 985.8 2020 982.5 973.9 969.6 975.4 - - - - - 966.2 969.4 969.4 2021 974.1 970.1 975.2 - - - - - 966.4 973.7 968.8 967.2 2022 975.1 971.9 972.7 973.0 - - - - - 971.7 968.8 969.8 2023 971.1 976.7 977.8 983.6 - - - - - - 974.3 970.1 2024 973.5 973.7 971.9 - - - - - 975.5 977.1 967.6 -