Nansen_Ice_Sheet 12Z pressure 1987 - - 986.2 - - - - - - 978.9 978.4 985.0 1988 988.0 983.9 986.1 - - - - - - - 980.8 982.4 1989 984.6 984.1 984.8 988.6 973.5 982.2 981.5 986.4 984.8 976.8 976.2 988.4 1990 988.0 981.2 986.1 995.1 999.2 990.0 997.5 983.0 973.8 982.3 983.2 984.3 1991 981.7 988.6 982.1 988.2 988.7 991.9 993.2 983.9 982.8 978.3 983.6 994.2 1992 988.1 995.0 987.7 987.4 992.8 996.5 985.3 986.2 977.6 980.9 978.9 982.7 1993 995.6 979.7 987.4 984.9 985.7 978.6 975.9 980.0 978.5 978.6 980.5 983.0 1994 985.2 983.5 980.4 987.9 987.8 1002.3 990.9 978.2 990.7 979.6 985.2 981.0 1995 981.3 982.5 991.9 984.8 982.3 991.6 1003.2 988.5 979.7 981.6 979.5 978.3 1996 986.6 990.6 - - - - 986.9 990.2 992.4 974.5 987.8 986.3 1997 989.2 989.7 981.0 988.1 977.3 989.7 982.2 980.1 983.5 979.3 988.7 991.2 1998 985.7 982.1 984.3 978.2 985.2 980.6 983.8 981.0 990.2 982.5 975.4 982.6 1999 984.1 988.3 986.5 983.0 981.9 1001.3 981.8 986.3 985.0 968.7 973.9 975.0 2000 978.8 983.2 986.0 985.7 984.0 - - - - - - 995.8 2001 990.5 990.2 986.1 - - 985.0 990.5 - - 974.8 977.2 977.5 2002 983.8 979.1 992.1 983.9 994.3 995.3 991.1 981.5 988.8 991.3 - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -