Syowa 12Z station_level_pressure 1959 - 987.0 981.7 989.8 991.0 989.5 985.6 989.8 979.2 985.3 977.5 990.9 1960 983.4 985.2 976.1 980.7 989.1 985.7 981.7 982.2 978.1 982.7 981.8 982.0 1961 989.0 991.0 984.2 985.0 987.4 987.5 982.2 982.3 989.1 981.7 983.7 983.4 1962 983.7 - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 990.7 - 984.0 - - 991.9 - - 976.1 985.3 986.9 1967 992.3 994.1 984.1 982.2 986.9 986.6 987.2 983.9 984.4 986.0 987.8 986.3 1968 988.8 989.1 985.5 983.0 988.6 989.1 980.1 978.3 976.3 981.8 985.2 988.6 1969 993.9 988.7 981.3 986.5 983.2 994.1 976.1 976.2 978.8 987.3 983.3 986.2 1970 983.2 984.2 981.5 982.6 980.6 985.0 981.9 976.5 986.5 981.5 985.1 991.2 1971 990.4 982.5 981.5 985.8 995.5 981.0 986.6 980.8 984.4 978.5 981.9 989.5 1972 989.9 985.6 987.0 989.9 987.4 992.3 986.0 988.6 980.6 979.2 977.5 989.7 1973 990.7 985.0 977.0 979.6 987.0 985.6 981.3 978.0 980.7 979.3 981.7 981.4 1974 988.8 981.2 981.5 985.3 987.3 987.6 984.1 993.5 977.6 980.3 989.0 992.1 1975 990.5 987.1 985.3 980.1 994.7 987.1 992.1 980.7 977.5 977.6 981.0 991.3 1976 991.1 984.6 982.3 977.0 977.9 990.1 983.5 982.0 977.1 978.9 992.4 1000.5 1977 992.3 987.5 982.9 987.3 988.7 990.2 987.6 987.0 975.8 977.5 980.7 986.2 1978 984.1 985.2 986.6 981.9 984.8 985.7 988.8 975.4 978.5 983.8 984.9 987.3 1979 985.2 984.9 980.1 982.4 979.3 982.8 974.6 978.1 977.0 983.4 984.0 993.0 1980 986.9 987.7 987.1 987.2 985.6 980.2 986.4 987.5 985.9 978.0 987.6 987.7 1981 988.8 983.9 987.0 987.8 983.9 984.2 992.0 990.7 983.8 978.6 980.9 978.8 1982 991.5 984.5 974.1 976.1 980.4 979.1 983.5 983.4 975.8 984.8 988.5 995.0 1983 989.3 988.5 983.2 982.3 988.3 985.2 979.6 979.8 977.6 977.8 979.9 984.6 1984 990.8 986.7 980.2 983.0 989.1 988.3 986.4 988.0 980.0 979.6 985.4 994.3 1985 990.5 984.2 984.4 984.4 985.7 987.9 973.8 980.3 977.7 977.7 976.5 981.0 1986 987.4 991.9 986.2 977.9 991.4 989.2 978.4 984.9 970.7 976.7 979.7 981.3 1987 992.6 986.1 982.8 982.9 988.0 985.5 988.9 975.8 985.2 977.2 975.8 986.5 1988 989.6 983.4 987.1 984.5 988.2 998.9 976.2 982.2 986.9 992.9 981.9 985.7 1989 989.9 981.1 984.5 987.2 976.9 980.3 977.8 984.6 986.2 979.0 984.6 986.8 1990 987.8 981.8 982.9 990.8 995.1 990.4 988.3 980.6 976.1 982.9 984.6 984.5 1991 980.0 989.1 979.6 983.0 981.5 989.7 986.4 979.9 984.4 978.0 985.1 994.8 1992 989.3 988.9 984.7 982.7 990.1 992.9 981.3 976.4 980.1 982.9 977.1 984.9 1993 993.2 983.0 980.7 984.0 981.6 984.6 978.6 975.4 979.2 978.8 982.0 980.9 1994 985.8 981.9 977.4 983.5 985.3 995.0 983.8 980.5 983.1 979.7 987.3 980.1 1995 983.7 984.7 983.3 981.0 979.3 988.9 991.3 988.4 972.0 982.3 986.1 982.9 1996 988.6 987.3 979.4 981.9 981.3 984.8 988.4 986.1 993.1 978.0 988.9 987.8 1997 988.2 984.1 976.6 982.0 979.9 990.4 981.2 979.6 985.8 981.8 994.7 988.5 1998 984.0 981.4 978.2 971.4 981.1 980.9 979.1 980.9 981.2 981.0 975.3 982.1 1999 985.6 986.4 982.0 976.9 977.6 992.8 982.5 985.4 986.5 972.1 982.1 978.8 2000 980.1 980.4 983.7 982.6 978.5 984.2 984.3 984.1 989.6 978.5 987.4 992.5 2001 986.3 987.8 983.6 977.9 986.9 991.7 987.3 981.2 979.1 981.8 978.5 978.4 2002 985.2 976.5 987.8 984.9 993.9 986.5 985.7 979.0 983.3 991.5 984.3 980.7 2003 990.8 988.3 982.0 976.4 985.5 989.6 981.6 978.5 978.5 984.6 983.2 992.4 2004 983.1 989.9 975.3 982.0 982.8 978.1 976.0 977.9 978.1 980.9 982.5 987.7 2005 987.7 978.8 982.1 980.5 - 992.0 984.0 980.6 978.4 978.8 984.9 996.3 2006 985.4 985.8 978.8 982.5 - 986.1 - 995.4 983.7 978.2 980.5 984.1 2007 986.5 982.1 985.8 985.5 - - 995.3 983.4 988.3 981.2 986.2 978.2 2008 983.6 978.7 984.8 985.3 988.2 984.5 981.1 981.6 978.5 978.3 979.3 979.4 2009 983.5 - - - - - - - - - - -