O_Higgins 12Z msl_pressure 1983 994.7 987.3 988.8 997.9 999.6 993.3 989.2 988.6 993.5 984.3 981.9 984.6 1984 989.4 987.9 994.9 985.6 991.7 997.3 998.2 989.5 995.4 989.9 983.3 999.4 1985 - 986.4 990.9 988.4 996.0 1005.1 984.6 984.9 985.0 993.0 987.8 981.7 1986 986.1 989.2 990.3 989.8 999.2 983.4 985.8 984.2 985.1 991.0 982.3 983.2 1987 989.2 990.8 983.1 989.0 995.6 991.6 993.1 999.0 986.2 988.1 981.3 986.9 1988 - - - - - - - - - 1001.6 - - 1989 - - - - - - 992.7 - - 982.3 - - 1990 - - - - - - - - 991.8 977.2 - - 1991 987.6 - 990.8 992.9 - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - 982.5 985.8 983.8 1994 - - - 995.2 - - 994.4 - - - - - 1995 - - 982.9 992.3 992.2 988.8 989.8 992.4 986.9 992.6 981.0 985.3 1996 990.5 988.7 984.8 995.6 986.9 992.5 990.0 989.1 996.6 983.6 976.7 987.2 1997 988.3 993.4 987.8 986.1 997.5 1002.3 989.8 984.9 993.1 990.6 996.6 998.6 1998 - - 990.0 - - - 979.8 - - - - - 1999 989.0 984.5 994.9 987.0 992.3 997.1 989.6 987.9 990.7 983.4 987.0 981.7 2000 980.6 994.8 1001.5 987.2 996.6 996.8 1004.2 991.6 1000.3 988.2 994.0 989.1 2001 989.9 988.5 987.8 987.1 998.7 992.0 - 980.4 989.4 982.1 979.3 981.4 2002 987.4 985.7 991.5 987.4 993.4 990.1 994.4 996.7 1002.0 989.9 989.5 989.8 2003 993.4 986.5 995.8 992.0 989.5 997.2 983.9 986.0 989.7 983.2 983.4 994.8 2004 985.8 995.6 989.4 991.3 989.8 987.1 989.3 989.7 978.3 - - 990.5 2005 986.6 984.7 990.3 983.2 994.6 996.3 996.8 991.0 998.3 991.5 989.1 993.7 2006 - - 981.1 992.4 - - - 1000.0 - - 981.6 985.2 2007 - 988.4 988.6 - - - - - 997.4 983.4 989.9 983.0 2008 985.9 988.7 990.7 988.1 992.5 993.4 994.7 - 998.1 - 983.0 979.5 2009 984.5 985.4 986.4 - - - - - - - - - 2010 - - 987.6 - 985.9 984.9 - 991.2 - 984.6 986.5 981.0 2011 992.2 989.4 - 985.5 988.1 991.4 - - 991.9 987.2 - - 2012 984.8 984.5 990.1 997.6 993.6 978.0 989.0 990.0 993.2 981.5 985.7 993.0 2013 987.5 988.3 995.8 986.1 987.5 981.2 985.0 - 995.9 984.5 978.6 986.4 2014 991.5 988.9 984.5 994.9 994.6 994.8 994.1 996.7 998.7 981.7 - 981.3 2015 - - - 986.5 - 983.5 984.4 - - 991.7 982.9 - 2016 989.2 - - - 1000.3 989.2 - 993.8 - - - - 2017 - 994.4 1002.0 992.9 991.8 988.1 984.7 988.0 978.1 983.4 986.1 - 2018 985.6 984.0 982.5 989.2 987.9 - 992.2 987.3 990.7 993.8 980.1 979.9 2019 984.7 989.8 991.7 986.1 988.4 993.3 - 996.2 988.9 989.1 - - 2020 990.8 993.5 986.9 989.1 997.0 993.1 1001.0 994.0 987.0 - 982.9 - 2021 - 988.1 985.1 - - - 994.7 984.6 983.5 980.9 - - 2022 988.0 986.3 - 987.5 993.8 985.7 989.0 993.7 989.2 - 981.1 984.5 2023 984.1 989.2 981.2 988.6 985.6 995.8 995.6 987.0 995.9 980.1 - - 2024 - 987.3 989.7 983.1 - - - - - - - -