Grytviken 18Z msl_pressure 1959 990.3 987.8 999.7 993.7 995.6 1000.2 994.5 998.1 1000.1 1002.0 988.7 993.6 1960 993.9 997.8 1001.6 993.0 991.0 995.0 995.4 996.5 1005.3 998.1 988.8 992.5 1961 998.0 995.0 992.9 999.4 987.0 991.7 997.9 993.0 996.1 997.5 989.8 990.2 1962 997.8 995.9 993.6 1002.0 999.5 999.0 997.2 1000.4 1004.5 1007.8 990.4 991.3 1963 989.0 994.5 993.0 995.8 998.4 994.7 1004.6 1003.5 1001.9 989.8 1001.5 995.4 1964 999.5 993.4 998.0 986.0 995.9 995.3 1007.2 992.7 1007.5 1004.5 992.9 1000.6 1965 994.9 1003.0 1002.1 996.8 994.2 997.3 999.2 999.4 995.4 991.2 996.7 988.9 1966 995.6 989.4 996.0 997.7 992.0 997.3 996.7 1002.7 994.1 992.1 990.2 992.6 1967 995.3 998.5 993.9 991.9 992.7 1003.0 1002.5 999.1 998.3 994.3 994.3 991.6 1968 992.8 996.7 997.2 997.3 990.9 994.8 1002.1 1003.2 1002.6 1003.6 996.6 994.6 1969 995.4 990.6 994.1 997.7 995.9 999.9 1000.8 1003.3 1008.0 990.4 998.7 996.9 1970 994.4 994.7 993.0 990.3 990.5 1001.8 1002.3 1003.5 1012.2 1002.0 998.7 991.7 1971 993.8 992.5 997.0 997.8 998.8 1001.9 1006.2 998.6 1002.1 1002.4 994.7 988.5 1972 993.9 993.7 996.1 997.6 997.2 994.2 999.3 1002.9 993.1 994.9 989.2 1001.9 1973 988.2 991.5 999.7 989.2 990.5 994.5 1004.6 992.6 997.9 1002.3 992.4 989.7 1974 995.4 1000.9 1002.4 991.0 993.1 1003.9 996.7 994.1 994.8 999.3 996.0 998.1 1975 991.5 989.8 994.4 999.6 993.4 994.3 997.4 992.9 999.5 1000.2 989.3 991.2 1976 990.9 998.6 996.9 992.9 997.4 989.2 993.7 993.3 994.7 1009.1 1008.2 993.8 1977 997.0 996.6 990.3 996.0 993.1 999.0 1001.9 1000.0 996.0 996.4 997.7 996.2 1978 990.8 1000.4 1000.1 996.3 1007.2 997.9 998.9 999.7 1007.0 999.8 987.8 992.0 1979 996.7 998.5 999.4 992.7 993.2 988.2 997.2 999.2 998.3 992.9 993.4 999.3 1980 992.1 1001.6 992.0 994.8 999.9 990.7 993.3 996.4 996.7 994.2 995.8 996.3 1981 992.6 994.9 993.7 1002.5 996.6 994.8 1000.8 991.8 996.2 993.0 997.9 992.7 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - - - - 1994 - - - - - - - - - - - - 1995 - - - - - - - - - - - - 1996 - - - - - - - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 991.9 1003.7 - - - - - - 1003.1 - 991.5 988.9 2001 - 992.3 - - 1007.1 991.7 986.3 - - - - 1000.4 2002 999.8 993.0 989.9 992.7 992.3 990.3 998.3 1002.0 1006.6 992.4 - - 2003 989.6 999.0 993.9 995.4 995.5 998.8 993.1 1002.3 1008.5 998.6 987.6 997.2 2004 997.2 1001.0 999.5 992.6 993.1 995.8 999.8 997.9 992.5 999.1 - 995.8 2005 994.1 996.6 996.4 987.6 996.8 997.2 998.7 1002.2 1005.3 999.4 992.2 990.7 2006 996.4 1002.6 - - 1007.5 998.2 996.7 997.3 994.8 1000.0 991.6 997.2 2007 990.1 - - 991.1 998.6 990.8 991.6 998.4 1005.2 994.0 993.1 993.2 2008 - 997.9 996.4 989.7 1001.0 996.9 1004.6 1000.0 1012.3 998.2 996.4 992.6 2009 999.6 - - - - - - - - - - -