O_Higgins 06Z msl_pressure 1983 994.6 987.5 988.6 997.5 1000.1 993.1 988.3 989.3 993.3 984.0 981.3 983.8 1984 989.0 987.4 994.9 985.6 991.9 997.5 998.7 989.5 996.4 989.8 982.5 999.5 1985 - 986.3 990.9 990.0 996.0 1005.4 985.3 984.4 984.2 992.3 988.6 981.4 1986 986.3 988.8 990.1 990.0 999.3 984.2 985.7 984.0 985.6 990.7 982.8 983.1 1987 989.6 990.9 983.6 988.3 996.2 991.5 993.5 998.5 986.0 987.7 980.7 986.6 1988 - - - - - - - - - - - - 1989 - - - - - - - - - - - - 1990 - 991.5 - 991.4 - - - - 992.6 - - - 1991 - - 989.7 991.8 - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - - 984.7 - 1994 983.9 - - 995.0 - - - - - - - - 1995 992.1 991.2 983.3 992.4 992.2 989.2 989.8 992.0 987.1 991.9 980.7 984.8 1996 990.3 989.0 985.2 995.3 986.1 993.0 990.1 988.9 996.5 983.5 977.4 987.4 1997 987.8 992.8 988.8 985.2 997.6 1001.9 990.1 984.8 992.1 990.6 996.1 998.5 1998 985.4 992.2 989.6 993.0 998.0 995.7 979.4 986.0 989.3 981.7 - 981.5 1999 988.1 983.9 994.4 987.0 990.9 997.1 989.6 988.7 990.6 983.6 987.2 - 2000 980.6 994.3 1001.3 987.9 996.6 997.1 1004.5 991.6 1000.4 987.9 993.7 988.9 2001 990.6 988.7 988.0 987.1 998.9 992.1 995.1 980.6 989.3 981.9 979.9 981.4 2002 987.7 985.2 991.6 987.6 993.6 989.7 993.9 996.9 1001.9 989.9 989.4 989.7 2003 993.2 987.0 995.3 992.9 989.7 996.8 983.8 985.1 989.8 982.7 983.5 994.6 2004 986.0 995.8 - - 989.9 987.9 989.3 988.6 978.3 - - 990.3 2005 985.7 984.9 990.1 984.3 994.9 996.8 997.0 990.9 - 991.6 989.4 994.5 2006 - - 980.8 - - - 990.7 1000.7 989.1 - 980.7 984.8 2007 989.2 987.0 987.7 990.4 - - - - 997.1 984.7 989.2 983.4 2008 - - - 987.6 992.3 992.3 994.1 - 999.3 - 982.5 978.8 2009 984.0 985.6 986.9 - - - - - - - - - 2010 - - - - 985.3 986.5 - 991.9 - - 986.2 - 2011 - 987.7 - 986.3 990.1 992.5 - - 992.4 987.3 989.7 - 2012 984.4 984.7 990.0 996.5 993.9 978.0 990.0 989.2 993.2 981.1 985.8 993.0 2013 987.9 987.4 996.1 - - 980.6 985.3 - 994.6 983.1 979.4 986.9 2014 991.0 989.2 984.7 996.9 993.8 994.9 992.8 995.3 997.2 980.7 979.5 982.0 2015 990.1 - - 986.9 - - 984.7 983.2 - 991.2 981.9 - 2016 - - - - 1000.3 990.7 - 994.1 - - - - 2017 - 994.2 1001.6 993.5 990.7 987.3 985.0 987.8 977.0 983.8 986.2 - 2018 985.7 983.7 982.5 989.1 988.2 - 992.4 987.9 991.3 993.6 979.9 980.0 2019 984.5 - 991.3 986.1 988.1 993.0 1001.5 994.2 988.8 989.0 986.0 993.5 2020 990.8 993.5 987.8 988.9 996.5 992.9 1000.8 994.1 986.9 983.5 983.8 - 2021 987.1 986.4 985.6 987.3 994.3 996.6 994.3 983.9 983.9 980.1 985.4 979.3 2022 988.3 986.4 - 988.0 993.7 986.5 988.9 994.0 990.0 - 981.1 984.3 2023 983.7 988.6 981.6 987.7 984.9 995.1 994.9 987.1 995.6 981.1 984.2 985.1 2024 986.1 987.3 989.6 981.6 - - - - - - - -