Nansen_Ice_Sheet pressure 1987 - - 986.5 - - - - - - 979.2 978.6 985.3 1988 988.0 984.0 986.3 - - - - - - - 981.0 982.4 1989 984.8 984.1 984.7 988.7 973.5 982.3 981.5 986.0 985.0 976.8 976.4 988.5 1990 988.0 981.2 986.1 995.1 999.3 990.1 997.7 982.9 973.9 982.4 983.6 984.2 1991 981.8 988.6 982.0 988.4 988.6 991.7 993.0 984.2 982.7 978.5 983.7 994.1 1992 988.2 995.1 987.7 987.3 992.6 996.5 985.1 986.2 977.7 981.1 - 982.8 1993 995.5 980.0 987.4 984.7 985.3 979.1 975.6 979.8 978.5 978.0 - 982.7 1994 985.3 983.5 980.3 987.9 987.5 1002.1 991.1 978.1 990.6 979.8 985.2 981.2 1995 981.3 982.6 991.9 984.8 982.3 991.9 1002.9 988.5 979.8 981.6 979.6 978.2 1996 986.6 990.8 - - - - 986.7 989.9 992.3 974.6 987.8 986.5 1997 989.0 990.0 981.0 988.3 977.2 989.9 982.3 980.0 983.2 979.2 988.7 991.2 1998 985.7 982.1 984.4 978.2 985.2 980.8 983.4 981.1 990.1 982.5 975.8 982.6 1999 984.3 988.3 986.7 982.8 981.8 1001.2 981.8 986.6 985.1 968.7 973.8 975.1 2000 978.7 983.5 985.9 985.5 983.9 - - - - - 982.6 995.7 2001 990.7 989.9 - 981.4 - - - - - 975.0 977.5 977.5 2002 983.7 979.4 992.1 983.9 994.2 995.0 991.0 981.4 988.7 991.3 - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -