Rothera 12Z msl_pressure 1976 - - - 981.5 - 994.7 - - 985.8 983.9 991.7 1005.8 1977 994.1 985.6 989.6 984.2 981.1 991.0 1001.3 987.2 978.8 983.2 984.4 994.0 1978 987.0 985.1 990.4 988.4 998.2 979.5 1002.9 978.2 986.9 979.7 991.1 984.9 1979 990.4 986.4 989.4 975.4 998.6 987.6 983.6 981.9 987.2 980.3 991.4 994.2 1980 989.5 991.6 989.1 996.0 996.5 984.0 1001.2 994.0 989.7 984.4 986.5 989.5 1981 989.1 979.3 997.8 993.8 992.5 992.4 992.8 986.1 988.5 986.2 975.9 984.4 1982 989.4 984.6 978.0 975.5 987.5 997.1 989.9 993.3 989.2 985.7 989.8 993.5 1983 991.9 987.2 987.1 995.7 994.9 989.6 981.9 982.7 990.3 979.4 977.4 982.8 1984 988.8 986.6 991.3 981.5 991.8 998.3 995.7 986.5 986.2 990.2 981.6 997.8 1985 991.0 984.9 988.2 984.3 995.9 1004.7 979.9 982.1 976.5 987.9 986.9 980.7 1986 987.1 989.9 987.3 987.1 997.9 979.6 982.6 980.3 983.0 988.5 982.7 982.7 1987 987.2 989.8 980.6 984.0 993.6 990.5 993.7 996.0 986.0 983.8 975.1 984.0 1988 993.3 985.6 983.5 989.4 995.0 993.6 989.5 1000.9 989.6 999.5 982.0 983.2 1989 990.2 983.3 984.4 992.7 974.5 980.6 985.5 994.1 986.2 978.5 983.1 991.5 1990 991.3 985.6 982.7 991.5 1001.8 980.5 988.8 977.7 991.2 973.3 970.4 986.2 1991 981.7 990.5 987.5 989.9 988.8 991.0 992.2 981.5 993.2 984.8 981.2 998.2 1992 987.4 986.5 988.4 992.2 998.1 1003.5 994.5 986.5 982.7 984.1 987.7 990.0 1993 996.7 993.3 984.7 984.2 984.3 991.2 988.2 984.5 981.0 982.0 977.6 983.7 1994 983.1 983.4 990.6 990.8 996.4 994.0 993.4 980.3 976.3 989.8 989.6 985.0 1995 985.3 986.9 981.7 985.6 988.5 992.1 990.5 992.1 983.2 987.0 979.6 982.5 1996 988.0 984.4 980.8 993.0 980.3 991.4 984.5 987.1 987.8 978.7 973.5 986.0 1997 984.9 990.5 985.3 983.3 995.5 1001.9 989.4 981.5 993.0 987.8 995.5 997.2 1998 984.0 991.5 986.6 984.0 999.2 991.2 974.0 980.1 984.5 976.3 980.3 980.7 1999 984.6 980.1 988.6 979.5 985.9 994.6 988.0 988.5 989.9 980.6 981.2 978.2 2000 978.1 991.4 999.6 981.7 992.5 992.5 1001.5 990.6 1000.4 987.5 993.4 989.9 2001 989.2 989.7 984.9 985.7 993.1 990.9 997.0 972.8 985.0 972.6 973.3 975.5 2002 984.8 979.4 991.6 983.9 996.6 991.8 992.3 997.2 1002.1 987.8 989.6 985.3 2003 991.7 982.7 994.6 990.6 987.8 997.0 977.7 978.9 985.9 982.0 984.7 995.5 2004 984.9 992.9 985.0 989.9 990.3 988.1 985.5 984.4 977.1 985.0 989.3 990.1 2005 986.2 980.5 986.3 982.4 993.0 997.8 994.8 987.7 996.9 984.9 990.1 993.7 2006 989.9 993.6 975.2 988.1 978.8 995.8 989.2 1000.1 988.4 984.2 980.9 982.8 2007 990.9 987.8 988.0 990.5 995.6 992.4 995.5 981.7 989.8 981.4 989.5 981.2 2008 984.5 984.9 987.3 983.1 986.4 988.1 993.4 986.0 989.7 979.3 978.2 977.6 2009 982.0 - - - - - - - - - - -