Syowa 12Z 200hPa height 1959 - - - 11052.0 - - 10669.3 - - 10838.1 - - 1960 - - 11073.6 10973.2 10933.0 10600.3 10590.8 10596.4 10526.6 10757.6 10904.6 11183.6 1961 11273.1 11278.9 11034.3 10983.1 10949.9 10817.6 10602.4 10621.5 10806.4 10835.3 10969.2 11087.4 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 11333.7 11250.8 11014.0 10992.6 10695.2 10717.9 10514.9 10698.6 10710.1 11022.6 11266.7 1967 11380.2 11233.9 11105.1 10931.7 10861.8 10773.4 10696.2 10648.4 10727.3 10846.7 11023.9 11270.7 1968 11265.7 11308.0 - - - - - - - - - - 1969 - - - - - - - - - - - - 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - 11089.0 10979.6 10898.9 10805.7 10679.6 10749.9 10651.0 10725.5 11035.0 11294.7 1975 11361.8 11296.2 11199.1 10895.9 10973.0 10747.4 10731.3 10614.2 10642.1 10714.6 10969.1 11229.8 1976 11358.3 11200.2 11049.7 10913.2 10706.2 10798.8 10580.1 10581.3 10603.7 10630.4 11053.6 11407.0 1977 11354.8 11237.0 11064.7 10959.5 10956.0 10880.0 10793.5 10740.5 10602.5 10735.3 10897.5 11183.2 1978 11185.4 11216.7 11102.2 10961.8 10853.2 10704.0 10705.9 10472.6 10652.2 10829.8 10978.6 11210.6 1979 11300.9 11211.0 11080.6 11021.6 10808.8 10647.9 10533.5 10538.0 10580.0 10820.2 11050.5 11304.8 1980 11326.7 11249.2 11147.7 11028.5 10906.2 10719.6 10798.3 10703.0 10735.9 10663.0 11016.6 11160.4 1981 11273.8 11273.6 11099.8 10912.1 10849.2 10709.8 10861.0 10769.9 10700.1 10704.6 10885.4 11164.0 1982 11259.1 11187.4 10997.3 10924.5 10810.5 10669.6 10619.3 10618.6 10585.3 10752.7 11112.5 11310.5 1983 11251.7 11200.5 11045.9 10952.8 10905.3 10738.2 10586.0 10560.0 10670.5 10707.8 10871.3 11116.5 1984 11266.9 11202.8 11084.3 10935.9 10972.7 10714.0 10682.1 10659.2 10601.4 10680.4 10937.9 11312.3 1985 11311.7 11186.0 11135.5 11044.2 10814.6 10783.2 10608.2 10583.7 10624.2 10652.5 10843.5 11068.9 1986 11271.7 11321.2 11131.5 10934.5 10883.8 10793.4 10653.3 10695.9 10556.0 10699.8 10919.7 11073.1 1987 11315.6 11192.0 11076.6 10957.9 10878.7 10749.3 10733.9 10532.5 10597.0 10717.0 10932.3 11128.1 1988 11341.9 11174.9 11177.8 10938.3 10861.3 10921.6 10566.3 10598.7 10761.0 10872.2 10966.3 11221.6 1989 11296.3 11223.4 11108.8 10936.2 10717.4 10693.8 10573.9 10609.8 10644.5 10702.5 10959.1 11199.4 1990 11266.9 11192.7 11109.4 11035.9 10956.4 10723.5 10843.4 10562.8 10458.4 10826.2 10988.4 11107.1 1991 11173.9 11269.1 11060.6 10899.1 10817.1 10873.2 10713.2 10643.5 10643.4 10730.0 10892.6 11372.3 1992 11315.3 11226.4 11113.1 10929.0 10973.9 10878.9 10676.0 10507.2 10541.9 10725.6 10838.7 11098.2 1993 11286.4 11165.0 11021.3 10926.8 10819.2 10737.2 10643.8 10583.9 10664.3 10743.8 10886.3 11063.2 1994 11162.5 11162.4 11011.5 10984.7 10827.9 10906.4 10694.3 10627.4 10633.6 10741.0 10943.3 11121.8 1995 11187.3 11214.7 11099.5 10943.9 10772.0 10723.8 10785.3 10679.4 10494.0 10769.6 10890.0 11117.2 1996 11213.6 11253.3 11045.5 10967.8 10781.5 10779.3 10810.0 10763.8 10869.9 10715.0 10968.6 11143.5 1997 11264.4 11214.7 11008.6 10955.8 10791.5 10823.6 10629.0 10605.8 10657.0 10692.3 11121.5 11174.6 1998 11191.7 11126.0 11024.6 10824.8 10856.4 10752.4 10661.8 10609.5 10611.0 10706.2 10831.2 11042.8 1999 11226.3 11218.9 11041.8 10819.9 10792.5 10845.0 10614.2 10709.6 10725.2 10646.7 10870.4 10924.5 2000 11123.3 11137.1 10974.9 10968.3 10767.5 10835.9 10664.0 10673.3 10767.0 10689.5 10975.7 11211.9 2001 11256.0 11223.0 11044.3 10935.9 10881.3 10872.2 10785.5 10551.7 10570.5 10719.5 10830.6 11032.9 2002 11222.2 11131.2 11137.2 11068.1 11034.8 10846.2 10772.3 10639.5 10651.0 10976.0 10947.0 11193.5 2003 11266.5 11236.5 11094.7 10913.2 10854.9 10761.3 10640.7 10580.7 10591.8 10716.5 10980.8 11229.6 2004 11228.5 11251.6 11022.4 10926.2 10802.2 10714.0 10508.6 10498.0 10577.7 10738.4 10859.9 11163.9 2005 11245.1 11155.4 11129.5 10929.6 10819.1 10787.5 10692.5 10642.0 10567.8 10696.4 10844.4 11294.5 2006 11234.5 11123.8 11027.6 10924.8 10788.7 10750.8 10564.7 10840.1 10638.0 10645.5 10915.1 11004.4 2007 11211.5 11131.7 11088.0 10993.4 10896.7 10895.1 10820.4 10675.8 10661.9 10756.8 11055.1 11036.2 2008 11130.0 11105.5 11135.8 11075.0 10938.0 10723.2 10730.7 10554.2 10622.8 10652.6 10859.0 11007.0 2009 11208.9 11161.1 11114.0 10920.0 11039.6 10962.4 10764.6 10645.2 10665.4 10762.0 11061.0 11122.3 2010 11327.7 11278.2 11096.7 10899.3 10809.3 10599.7 10572.4 10520.0 10663.4 10676.6 10822.8 11175.7 2011 11282.6 11247.9 11085.2 11038.3 10855.9 10910.7 10747.7 10772.3 10710.3 10773.0 10959.3 11063.3 2012 11107.4 11244.3 11040.6 10950.3 10858.7 10707.2 10627.3 10660.0 10639.6 10779.6 11166.3 11270.7 2013 11288.4 11197.1 11021.3 10895.7 10786.5 10868.6 10635.9 10739.0 10742.8 10740.7 11141.7 11213.7 2014 11250.0 11176.7 11047.6 10843.1 10908.7 10744.3 10617.6 10711.8 10683.7 10735.0 10925.2 11058.5 2015 11215.5 11154.8 11047.4 10868.3 10827.9 10711.2 10544.2 10525.7 10628.0 10833.8 10945.0 11052.2 2016 11146.0 11188.3 11090.0 10981.1 10844.6 10644.2 10603.1 10762.8 10621.0 10824.4 11034.5 11190.0 2017 11319.4 11205.4 11072.3 10920.0 10812.9 10663.2 10659.4 10518.1 10565.7 10820.0 11065.6 11214.3 2018 11248.7 11194.4 11110.0 11008.4 10905.9 10848.5 10643.5 10656.0 10595.7 10766.7 10880.0 11185.0 2019 11251.4 11280.0 11061.9 10962.1 10854.0 10666.2 10636.7 10535.6 10584.4 10856.5 11105.7 11278.3 2020 11278.3 11179.3 11041.5 10976.2 10831.6 10770.8 10672.7 - 10669.3 10652.1 - - 2021 - - 11250.9 10889.0 10793.3 10675.5 10692.7 10619.3 10704.2 10741.9 10889.3 11066.9 2022 11325.7 11177.3 11085.3 10971.4 10816.8 10810.8 10634.5 10595.4 10553.6 10692.5 10810.8 10967.3 2023 11204.0 11125.6 11114.0 11004.3 10802.0 10735.4 10682.7 10683.8 - 10822.5 10949.2 11128.5 2024 11182.9 11181.9 11012.5 10920.6 - - - - - - - -