Belgrano_II 18Z msl_pressure 1983 - - - - - - 989.9 - - - - - 1984 - - - - 992.8 - - - 989.4 - 986.3 - 1985 - - - - 993.5 993.1 972.7 - - 987.0 982.8 985.3 1986 992.3 - - - - 997.4 985.6 - - - - - 1987 - - - 991.7 995.9 - 991.9 983.9 - 985.9 979.8 991.7 1988 995.0 - - - - - - - - - 987.5 - 1989 - - - - - 984.7 - 999.6 993.8 - 988.9 - 1990 994.2 988.3 - 998.3 1002.8 - 995.0 986.5 983.7 984.6 982.2 - 1991 987.0 994.6 - 993.6 989.7 - - 984.3 992.6 985.2 - 1000.8 1992 - - - - - - - - - - - - 1993 1000.8 990.5 987.8 989.7 985.0 987.8 987.0 984.8 984.8 980.0 987.6 987.1 1994 991.6 - - - - - - 983.5 989.4 - 994.5 - 1995 991.1 988.6 987.5 991.8 987.4 994.1 1000.8 - - 989.5 - - 1996 994.4 991.7 987.5 993.0 990.0 994.2 987.1 994.4 997.7 - - - 1997 - - - - - - 987.5 989.6 987.8 988.8 996.2 - 1998 990.0 987.2 987.7 - 986.2 988.8 - 985.2 988.1 987.1 - 985.0 1999 989.5 - - 983.1 988.9 1001.4 987.4 - 988.5 - 987.4 980.4 2000 984.5 - 994.9 991.3 989.1 992.7 996.8 990.2 993.1 987.9 - 999.5 2001 993.5 994.9 - 985.8 996.9 989.5 - 983.4 984.4 - - - 2002 - - - - - - - - - - - - 2003 - - - - 986.2 - - - - - - 998.2 2004 988.5 - - - - 986.1 985.6 - 987.4 - - - 2005 - - 989.8 - 992.1 - - - - - 988.8 1000.8 2006 989.6 991.5 987.4 989.3 - - - 993.4 989.3 - - - 2007 991.5 989.3 990.6 997.1 995.4 999.8 1000.3 989.2 994.6 986.2 989.0 983.4 2008 - 986.2 988.3 993.3 991.8 989.5 987.8 986.5 991.1 982.8 - - 2009 986.1 - - - - - - - - - - -