O_Higgins msl_pressure 1963 981.6 987.0 978.9 987.5 988.4 992.3 989.7 995.3 995.8 988.3 990.6 988.7 1964 993.7 986.8 989.1 991.1 989.9 992.1 1007.0 987.6 990.6 985.4 986.1 994.0 1965 989.9 1000.8 994.0 989.0 987.7 987.1 995.3 998.2 981.5 980.1 979.9 - 1966 - - - - - - - 986.0 989.0 986.0 991.0 999.0 1967 994.9 987.1 984.1 984.2 987.1 991.1 986.1 991.9 984.6 983.7 981.0 - 1968 989.0 - 993.0 993.0 - 986.0 - 986.0 - - 987.0 - 1969 997.0 987.5 990.4 991.9 993.7 993.7 996.7 988.3 982.1 983.3 - - 1970 993.5 986.2 995.5 985.2 990.7 997.5 995.8 995.6 991.3 993.5 - 992.0 1971 995.0 990.1 986.1 989.7 1002.0 992.1 998.3 983.5 989.1 989.5 - - 1972 994.6 990.3 991.0 988.8 992.6 993.4 990.5 999.6 987.5 993.7 - - 1973 - - - - - - - - - - - - 1974 - - - - - - - - - - - - 1975 - - - - - - - - - - - - 1976 - - - - - - - - - - - - 1977 995.4 988.1 991.4 989.9 - 993.4 998.8 993.5 982.2 985.7 987.6 994.8 1978 988.7 991.4 994.2 993.5 1002.9 985.1 1003.1 985.0 993.9 985.9 994.8 986.9 1979 - 989.2 994.0 982.9 997.5 990.4 989.0 988.6 991.6 985.7 993.4 997.6 1980 991.5 995.2 992.7 996.0 998.3 986.8 1001.3 986.3 994.8 990.6 987.5 994.4 1981 993.3 984.6 999.8 - 993.9 995.2 997.5 990.9 - 991.6 - 986.9 1982 992.2 987.8 983.0 984.1 991.3 1001.5 989.0 997.4 991.0 984.8 990.1 995.0 1983 994.7 987.4 987.9 998.0 1000.5 992.9 989.0 988.7 993.1 983.7 981.7 984.6 1984 989.0 987.5 994.0 985.1 991.7 997.4 998.5 989.8 995.8 999.5 982.8 999.7 1985 - 985.8 991.2 988.4 996.4 - - - - - - 981.7 1986 987.0 989.0 988.8 989.7 999.3 982.9 983.9 984.5 985.2 990.7 982.1 984.0 1987 988.8 991.1 982.8 988.9 996.7 991.6 992.1 998.2 986.8 987.5 981.1 987.4 1988 993.5 990.2 999.3 992.2 998.0 998.7 991.1 1000.8 992.9 1001.9 984.2 984.5 1989 992.1 986.5 987.6 992.1 984.3 983.6 993.2 994.2 989.9 982.1 985.7 992.3 1990 991.6 990.9 985.0 990.7 1004.4 984.4 994.0 980.3 992.1 977.1 972.4 987.1 1991 987.0 991.4 990.4 992.1 988.4 990.2 991.8 986.7 996.9 984.3 987.4 998.6 1992 990.0 986.2 990.0 995.3 998.9 1001.3 995.6 990.1 987.3 986.3 992.2 995.3 1993 996.1 994.2 987.6 988.0 988.2 990.5 992.9 987.5 983.6 982.0 985.1 984.0 1994 984.4 986.8 992.0 995.1 995.9 996.5 994.7 988.2 980.2 989.3 993.5 987.8 1995 990.9 991.4 983.7 - 990.2 989.4 990.8 992.0 987.3 993.7 981.0 985.4 1996 990.6 989.0 985.2 995.1 986.1 991.4 989.3 989.4 996.6 983.0 977.4 988.8 1997 987.8 993.3 987.2 985.5 997.7 1002.4 989.2 985.3 993.0 990.7 997.0 - 1998 985.2 993.4 990.0 992.6 998.8 995.3 979.6 986.0 989.1 981.5 983.3 981.7 1999 989.0 984.0 994.6 986.9 990.8 996.4 989.7 987.2 990.3 982.8 985.9 981.8 2000 980.8 994.5 1001.2 987.4 - 997.4 1004.6 991.4 1000.2 987.3 994.2 989.3 2001 990.2 988.3 - 987.5 998.9 991.5 - 979.7 989.2 982.4 - - 2002 - 985.1 991.9 - 993.4 990.1 993.9 997.1 1002.0 989.8 990.2 989.4 2003 993.4 987.0 996.0 992.6 990.0 997.3 984.1 - - 982.9 983.1 994.9 2004 986.3 997.2 - - 991.1 987.7 989.4 988.7 978.1 - - 990.6 2005 986.0 984.7 990.5 983.7 994.7 996.3 996.9 990.5 998.5 991.5 989.4 994.0 2006 - - 980.9 991.9 - - - 1000.2 990.2 - 981.1 985.0 2007 989.0 987.5 988.2 990.5 - - - - 996.9 983.5 990.0 983.4 2008 986.1 988.7 991.1 988.1 992.5 993.0 994.9 990.0 999.0 - 982.9 979.3 2009 984.6 - - - - - - - - - - -