Orcadas 12Z station_level_pressure 1996 - - 985.9 991.9 - 991.3 992.8 989.9 1002.1 989.4 - - 1997 991.0 - 989.0 - 998.2 999.1 - 986.3 987.5 990.5 993.9 996.3 1998 984.5 - 991.6 - - 995.2 980.8 990.1 991.1 985.5 - 983.2 1999 991.7 - 998.1 989.0 - 997.0 992.1 - 991.0 984.1 991.0 985.3 2000 982.7 994.9 - 990.1 - 999.2 1006.5 989.8 1001.0 - 993.9 990.5 2001 993.1 987.2 - 987.5 1002.3 990.1 990.4 986.7 991.5 990.3 - 987.9 2002 990.7 989.7 989.1 - 991.1 987.0 994.7 998.9 1004.5 991.9 989.6 993.2 2003 991.0 991.1 - 992.4 993.1 - 985.1 - - - - 994.0 2004 987.8 996.8 - - 988.5 989.5 996.7 990.7 981.5 - - 993.3 2005 - 988.8 - 984.7 993.7 993.8 997.9 - - - - 988.8 2006 991.6 998.1 987.0 997.5 - - - 999.7 992.8 - 984.9 987.8 2007 986.9 988.5 986.9 989.5 998.9 988.5 993.8 991.7 1000.1 986.3 991.1 987.7 2008 988.6 992.1 990.5 989.0 997.7 994.6 999.6 994.9 1005.0 990.4 984.8 979.4 2009 988.2 - - - - - - - - - - -