Syowa 18Z station_level_pressure 1957 - - 982.5 986.7 990.8 993.6 984.0 989.7 982.3 983.4 991.7 992.7 1958 988.1 - - - - - - - - - - - 1959 - 986.7 980.8 990.2 991.4 989.2 985.2 990.1 979.9 985.0 977.2 990.2 1960 983.1 985.1 975.7 980.7 989.0 985.8 980.9 982.7 977.6 982.8 981.5 981.7 1961 988.4 990.6 983.9 985.1 987.4 987.9 981.9 981.5 988.5 982.2 983.9 982.6 1962 983.4 - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 989.7 989.4 984.5 990.9 985.3 990.9 975.5 981.0 975.8 985.3 986.6 1967 991.6 993.5 983.5 982.4 987.0 986.6 986.8 983.5 983.9 985.6 987.5 985.7 1968 988.6 988.7 985.2 983.0 988.5 989.0 980.1 977.9 975.5 981.8 984.9 987.7 1969 993.3 988.2 980.7 986.1 983.8 994.0 975.9 975.8 978.3 986.9 983.0 985.4 1970 983.0 983.8 981.6 982.9 980.8 985.1 981.4 977.1 986.1 980.6 984.8 990.6 1971 989.8 982.2 981.2 986.3 995.3 981.2 986.1 980.1 985.2 977.9 981.4 988.9 1972 989.4 985.1 986.7 989.8 987.0 992.4 986.4 988.8 980.4 978.6 977.6 989.0 1973 990.0 984.6 976.9 979.2 987.6 985.1 981.8 978.0 980.1 979.7 981.1 981.0 1974 988.2 980.7 981.4 985.2 987.3 986.7 984.5 993.5 977.1 980.4 988.5 991.3 1975 989.8 986.8 985.4 980.1 994.4 987.0 991.0 980.8 977.4 977.4 980.8 990.7 1976 990.5 984.4 982.4 976.8 977.5 990.1 983.5 981.8 977.1 978.6 991.7 1000.1 1977 991.7 987.0 982.7 987.3 988.5 990.2 987.7 986.6 975.5 978.0 980.5 985.4 1978 984.0 984.8 986.4 981.9 985.2 985.9 988.5 975.4 978.2 983.3 984.4 987.0 1979 984.7 984.8 980.5 982.9 978.9 983.7 974.3 977.7 976.6 983.5 983.0 992.3 1980 986.3 987.6 987.0 987.2 985.2 980.3 986.9 987.9 985.7 977.3 987.1 986.8 1981 988.3 983.3 987.2 987.7 983.4 984.8 992.2 989.9 983.5 978.1 980.4 978.9 1982 991.3 983.5 974.1 976.7 981.0 979.3 983.8 983.1 975.2 985.1 988.1 994.8 1983 988.9 988.1 983.2 982.1 988.4 985.5 979.7 980.5 976.8 977.8 979.5 983.9 1984 990.2 986.0 980.6 983.3 988.7 988.5 986.5 987.7 979.1 979.6 984.4 993.7 1985 990.1 983.7 984.5 984.1 985.6 988.0 973.4 980.1 977.5 977.8 975.8 980.7 1986 987.2 991.3 985.6 977.9 991.4 989.5 978.1 985.1 970.5 977.1 979.8 980.9 1987 992.5 985.5 982.9 982.9 987.6 986.1 989.0 975.5 985.6 976.8 975.2 986.1 1988 989.1 983.2 987.1 984.5 988.8 998.7 976.7 981.7 987.1 992.0 981.5 985.2 1989 989.7 981.4 984.1 987.5 977.1 979.3 977.5 985.2 985.6 978.5 984.4 986.5 1990 987.3 981.9 983.1 990.5 994.5 990.4 988.2 980.7 975.4 983.0 984.6 984.2 1991 980.0 988.5 979.5 983.1 981.4 989.6 985.7 979.3 984.1 978.0 984.8 994.3 1992 988.5 988.5 985.2 982.3 990.2 992.8 980.7 976.9 979.6 982.1 976.8 984.5 1993 992.8 982.6 981.2 983.8 981.5 983.6 979.0 975.0 979.3 978.7 981.5 980.5 1994 985.4 981.6 977.6 983.9 985.9 994.8 983.3 979.8 982.6 979.5 986.9 979.7 1995 983.4 984.2 983.1 981.0 979.3 989.5 991.2 988.0 972.5 981.9 985.9 982.3 1996 988.6 986.5 979.5 981.7 981.7 984.9 988.0 986.5 992.8 977.3 988.7 987.5 1997 987.7 983.6 976.4 981.9 980.0 991.0 980.4 979.6 985.8 981.5 994.4 988.2 1998 983.6 980.9 977.8 971.7 981.5 980.1 979.5 981.1 981.8 979.9 975.0 981.9 1999 985.4 986.2 982.4 977.1 977.9 993.3 982.7 984.9 986.6 972.1 981.3 978.4 2000 979.8 979.7 983.6 983.0 977.9 984.3 984.1 984.3 988.9 978.7 987.2 992.1 2001 985.9 987.1 983.7 978.1 987.3 991.3 987.3 981.5 978.5 981.9 978.4 977.8 2002 984.3 976.9 987.3 984.7 993.5 986.7 985.2 978.9 983.5 991.2 983.8 980.2 2003 990.2 988.1 981.8 977.5 985.2 989.5 982.1 978.0 978.2 984.7 983.0 991.9 2004 982.3 989.7 974.9 982.1 982.1 977.9 975.8 978.3 978.1 980.8 982.6 986.8 2005 987.4 978.7 982.5 979.9 982.4 992.3 982.9 980.8 977.6 979.3 984.4 995.9 2006 985.4 985.6 978.7 982.6 976.5 984.4 979.1 994.5 984.2 977.8 980.5 983.6 2007 986.0 981.7 986.2 985.1 987.3 992.1 995.9 983.9 988.0 980.8 986.1 978.1 2008 983.0 978.6 984.6 985.7 988.0 984.1 980.8 981.5 978.3 978.5 978.6 979.3 2009 983.2 979.2 979.8 985.9 992.5 989.1 984.2 986.4 982.7 982.3 986.2 985.2 2010 990.1 989.2 984.9 983.0 981.3 975.5 974.3 974.0 979.0 977.6 977.4 989.0 2011 985.5 985.4 985.3 987.4 981.2 989.0 988.1 989.3 985.9 984.5 987.2 982.1 2012 975.8 986.1 983.2 980.7 985.1 985.2 978.9 980.6 981.6 979.9 988.7 987.7 2013 982.7 979.4 976.0 978.9 984.2 990.8 982.6 991.4 986.4 982.2 984.5 984.0 2014 989.3 981.2 982.7 979.9 987.2 985.6 980.8 985.5 986.3 984.1 985.1 977.1 2015 985.7 979.1 977.3 976.1 980.9 986.2 975.8 973.4 979.3 984.4 982.3 984.7 2016 980.0 980.0 978.3 978.6 982.4 975.7 979.4 984.3 976.8 978.1 987.9 986.5 2017 991.5 986.6 985.5 979.5 978.1 987.1 978.9 978.7 976.5 985.2 981.5 981.2 2018 982.1 978.5 986.3 985.4 990.4 989.5 983.3 980.7 977.2 981.1 976.7 983.1 2019 983.0 982.4 981.5 983.5 985.9 973.5 987.6 979.7 977.6 983.8 991.6 993.9 2020 986.1 983.3 977.5 985.5 976.9 983.4 983.9 986.2 981.4 978.6 979.0 979.7 2021 979.8 978.3 987.0 976.0 977.7 982.2 985.6 980.8 977.5 977.2 978.1 979.2 2022 984.6 980.0 979.6 980.3 983.4 990.7 977.7 979.5 975.8 976.5 972.1 976.4 2023 976.5 980.6 980.0 985.0 977.9 987.8 979.5 978.2 986.6 983.2 982.2 978.5 2024 982.9 978.0 976.3 978.0 - - - - - - - -