Mawson 00Z station_level_pressure 1954 - - 990.1 981.9 989.3 991.4 998.7 989.9 979.2 980.0 989.3 994.1 1955 984.8 987.2 989.5 992.6 987.7 983.9 986.7 999.8 978.6 986.8 989.6 992.4 1956 995.8 987.2 990.2 988.8 991.3 989.2 990.6 986.9 985.8 977.4 986.8 994.4 1957 990.0 988.8 988.9 989.2 994.3 994.2 988.3 989.4 984.1 982.2 992.7 993.9 1958 990.3 992.7 989.1 989.4 994.8 991.2 986.2 981.4 979.2 985.7 987.1 981.2 1959 989.6 985.8 986.8 994.1 990.4 996.2 987.7 991.4 981.6 985.2 980.0 989.3 1960 986.1 984.7 980.6 989.8 991.4 988.6 986.7 986.6 976.1 986.1 982.2 981.6 1961 986.6 988.6 984.5 988.2 986.6 991.6 981.4 982.2 990.6 984.5 986.5 982.2 1962 984.6 984.6 984.5 984.7 989.6 999.4 984.7 980.6 987.0 979.2 987.8 983.7 1963 981.9 985.8 982.9 988.5 991.0 989.1 984.4 997.8 989.2 982.5 977.8 988.7 1964 995.7 988.3 984.8 984.4 981.2 997.5 1003.7 983.4 978.4 978.6 986.3 985.0 1965 990.9 996.3 985.7 990.1 993.3 993.0 987.1 987.6 983.7 982.3 976.1 992.0 1966 985.4 990.6 991.0 987.9 990.7 987.7 990.5 980.1 980.9 976.6 989.6 989.9 1967 992.6 994.0 986.7 989.7 992.3 990.9 987.2 987.2 982.5 986.9 988.9 986.7 1968 989.3 990.0 991.5 987.6 993.5 991.5 982.3 986.0 980.0 983.4 986.3 989.3 1969 995.8 992.4 987.1 992.6 991.3 1001.0 980.9 979.8 982.9 987.9 986.3 985.8 1970 984.8 987.0 986.3 989.2 985.8 990.9 986.3 980.6 986.4 986.9 986.7 990.8 1971 992.7 988.2 986.7 992.4 995.4 983.9 988.1 984.1 987.1 983.8 986.1 989.8 1972 991.1 990.1 993.1 992.1 993.2 993.2 989.8 991.7 990.3 984.3 980.3 991.0 1973 991.6 988.1 981.5 988.7 993.6 989.8 986.3 980.6 981.5 981.0 980.8 982.2 1974 987.4 982.1 984.5 991.0 992.5 986.6 987.2 993.7 981.0 981.4 987.6 993.6 1975 988.9 990.0 989.6 985.1 995.8 991.6 993.9 983.9 981.5 980.2 980.7 990.7 1976 988.7 986.5 988.2 981.6 984.9 987.5 981.0 983.8 979.4 976.0 989.3 998.9 1977 991.0 988.4 989.1 989.7 991.7 991.5 991.5 990.5 979.3 980.2 982.9 985.8 1978 983.6 987.3 988.2 986.3 989.8 984.6 995.0 979.5 985.9 986.8 983.2 986.7 1979 987.1 986.5 983.1 990.2 984.3 984.3 977.5 981.3 977.4 981.4 984.5 990.6 1980 990.6 988.9 990.1 991.0 991.0 985.8 987.1 991.0 986.6 981.3 986.8 988.5 1981 988.1 985.5 991.9 996.4 990.1 986.7 995.1 990.8 984.7 981.7 981.6 982.1 1982 990.6 984.2 983.3 985.0 986.2 988.8 986.4 986.1 981.0 984.7 989.5 995.6 1983 989.5 991.0 987.9 983.0 990.7 990.4 984.9 981.9 981.5 979.4 981.8 982.7 1984 989.3 989.7 986.3 986.3 993.0 989.7 985.4 988.3 981.5 980.0 984.6 993.1 1985 992.4 987.6 985.8 990.3 990.9 990.1 980.0 982.0 982.6 979.7 978.0 982.7 1986 988.6 991.3 991.0 985.2 991.8 990.9 981.3 986.6 974.1 975.0 982.8 983.3 1987 992.5 989.0 986.6 989.9 989.8 989.7 987.1 977.7 986.3 978.6 979.9 985.1 1988 988.4 984.9 986.6 985.5 992.7 998.6 982.4 983.6 987.0 991.2 981.1 984.8 1989 989.8 984.6 986.9 992.9 977.8 982.2 981.7 983.9 983.3 980.5 989.2 985.3 1990 990.1 984.6 988.5 992.3 997.2 992.0 1000.2 980.5 975.4 986.4 984.5 983.4 1991 982.5 990.8 981.8 983.0 986.6 991.8 990.4 981.4 986.6 979.3 985.4 995.3 1992 988.2 991.2 989.4 991.2 996.9 997.6 986.5 981.5 981.6 982.5 976.5 985.4 1993 992.4 982.3 987.8 987.7 985.4 984.9 981.4 979.6 982.2 979.4 983.7 984.7 1994 986.2 983.1 982.1 990.9 993.7 996.7 989.8 983.2 983.4 981.4 989.7 982.4 1995 984.7 987.8 986.4 987.0 985.0 989.1 990.0 988.4 972.1 986.7 986.9 983.2 1996 987.2 990.2 983.6 987.9 988.4 987.1 993.0 985.4 996.5 980.1 988.7 987.9 1997 988.2 985.8 978.1 993.8 985.5 993.2 979.6 981.8 983.7 984.2 991.1 989.5 1998 985.5 984.2 986.8 977.7 986.1 982.6 983.2 976.4 987.8 984.5 975.5 979.7 1999 987.4 987.5 987.1 984.4 982.9 996.5 985.7 982.6 985.8 972.6 981.9 978.1 2000 979.1 983.2 983.2 986.8 982.6 988.9 986.9 984.2 989.6 980.4 988.2 992.7 2001 984.8 989.7 986.9 982.7 989.0 988.9 989.4 982.3 981.9 979.9 978.7 977.4 2002 983.6 980.2 991.9 987.1 996.1 988.6 991.5 982.2 986.4 992.5 985.3 980.5 2003 991.3 988.1 986.7 985.4 990.1 995.9 987.3 981.5 981.4 984.8 985.7 991.1 2004 984.7 992.4 981.6 985.2 987.2 983.9 979.4 976.9 980.0 985.0 981.3 987.7 2005 986.9 983.9 984.5 983.1 989.5 993.8 988.1 983.3 980.1 981.5 982.8 994.9 2006 985.0 987.2 984.2 986.9 985.9 983.6 976.9 997.7 983.9 978.3 978.2 985.1 2007 986.1 984.6 989.8 989.8 985.0 994.2 996.7 985.0 986.9 984.5 982.9 978.7 2008 985.3 979.7 988.0 991.0 989.9 987.0 985.3 983.0 984.7 977.4 979.2 981.3 2009 986.1 - - - - - - - - - - -