Syowa 00Z 30hPa height 1968 - - 23561.0 22943.1 - 21874.4 21304.8 21340.0 21393.7 22542.0 24096.8 24204.0 1969 24234.1 23952.8 23449.2 22938.4 22412.2 21946.5 21377.3 21347.8 21507.4 22082.5 23182.7 24046.9 1970 24147.4 23912.3 23600.1 22930.0 22339.5 22042.0 21368.3 21296.9 21554.1 22127.9 23523.3 24021.6 1971 24272.2 24048.7 23510.2 22909.1 22598.3 21806.3 21385.0 21583.2 21686.3 22186.3 23628.3 24116.6 1972 24195.6 23955.5 23528.9 22940.8 22218.4 21862.0 21347.1 21565.2 21469.5 22265.6 23495.7 24036.6 1973 24125.9 23891.8 23410.4 22927.1 22293.0 21920.7 21399.6 21257.5 21867.2 22051.8 23170.2 24032.4 1974 24146.8 23885.0 23422.9 22979.5 22377.1 21915.9 21504.5 21409.2 21787.7 22427.1 23685.2 24219.9 1975 24281.5 23970.2 23593.0 22858.5 22424.8 21712.3 21543.6 21652.9 21678.4 22149.0 23361.4 24078.8 1976 24197.7 23957.3 23433.4 22964.5 22059.1 21890.6 - - 21545.7 21865.3 23552.6 24215.1 1977 24196.2 23918.8 23396.6 22856.6 22484.6 21986.8 21487.9 21520.1 21640.4 22302.3 23353.5 24108.1 1978 24150.6 23964.7 23547.0 23041.2 22286.8 21825.2 21496.1 21238.7 21607.6 22373.5 23489.5 24063.4 1979 24186.9 23894.9 23441.9 22915.5 22256.8 21711.2 21295.8 21284.9 21562.5 22868.5 23600.0 24181.7 1980 24226.3 23981.8 23592.9 23190.4 22665.1 21988.7 21626.2 21624.3 21707.4 22070.8 23297.3 24027.6 1981 24077.0 23914.7 23475.1 22940.6 22322.3 21827.7 21716.6 21636.4 21837.1 22356.7 23035.0 23978.1 1982 24015.5 23881.9 23362.8 22948.3 22109.0 21736.5 21408.3 21355.3 21580.9 22006.9 23602.6 24068.1 1983 24076.4 23907.6 23425.2 22914.9 22493.0 21724.0 21424.7 21315.0 21795.4 21996.9 23090.3 23925.7 1984 24024.9 23862.6 23473.0 22897.1 22541.5 21815.7 21407.1 21388.0 21566.0 22162.6 23083.7 24000.4 1985 24090.5 23809.0 23464.7 23034.8 22286.5 21632.1 21441.2 21367.1 21403.3 21788.7 22683.5 23655.1 1986 23999.0 23943.6 23493.5 22876.8 22481.5 21870.8 21580.7 21522.7 21486.1 22229.4 22979.2 23694.2 1987 24085.7 23855.8 23501.0 22988.8 22202.8 21757.1 21548.8 21151.5 21416.1 21836.9 22676.7 23747.8 1988 24107.0 23830.4 23488.9 22874.3 22316.3 21982.2 21377.4 21631.5 22291.8 22748.5 23496.3 24062.6 1989 24057.6 23883.4 23485.6 22865.8 22254.3 21698.7 21317.9 21242.0 21611.6 21947.0 22934.9 23968.1 1990 24064.9 23919.7 23490.2 23016.9 22487.7 21631.7 21624.9 21363.6 21280.7 22296.3 23064.9 23708.3 1991 23937.3 23864.6 23461.4 22907.3 22275.0 22020.9 21550.9 21449.1 21615.8 22688.2 23050.4 24106.8 1992 24073.3 23925.9 23456.3 22859.2 22503.6 22090.6 21650.0 21289.7 21445.1 21942.4 22893.9 23773.2 1993 23989.7 23860.6 23464.7 22895.3 22168.0 21624.4 21418.7 21306.8 21610.4 22013.0 22838.2 23645.2 1994 23932.1 23781.0 23346.7 22972.2 22367.0 22029.2 21463.9 21271.8 21409.9 22100.3 23309.0 23897.7 1995 24014.6 23869.6 23471.8 22946.8 22208.5 21679.1 21428.6 21556.3 21634.1 21776.9 22799.0 23513.8 1996 23984.8 23862.9 23445.1 22958.6 22157.7 21857.4 21613.3 21645.8 21827.3 21718.7 22588.1 23694.2 1997 24078.6 23922.4 23407.1 22905.2 22298.1 21709.6 21395.2 21436.6 21786.4 21710.0 23409.0 23844.1 1998 23964.2 23817.3 23402.8 22830.7 22298.2 21851.4 21395.5 21284.4 21399.4 21815.9 22538.9 23384.3 1999 23915.7 23832.9 23442.1 22770.8 22281.7 21832.1 21396.9 21420.2 21708.1 21826.9 22378.8 23092.0 2000 23876.0 23816.6 23352.9 22951.8 22251.6 21791.7 21377.1 21361.0 21763.7 22165.5 22945.9 24014.2 2001 24058.0 23900.1 23497.4 22928.4 22291.1 21885.7 21510.5 21194.5 21370.6 21631.9 22402.9 23603.8 2002 24029.9 23841.8 23592.4 23135.5 22703.3 22220.3 21670.5 21430.5 21953.5 23015.1 23560.4 23955.0 2003 24019.7 23912.2 23524.3 22895.1 22220.3 21787.2 21341.1 21300.9 21380.1 21811.6 23141.5 23909.0 2004 24015.7 23902.4 23448.6 23008.2 22313.9 21681.8 21270.0 21323.0 21695.4 22013.6 22880.7 23862.1 2005 24042.4 23848.1 23537.0 22832.8 22405.4 21773.0 21429.9 21396.3 21443.9 22058.7 22893.2 23996.2 2006 23996.9 23781.5 23488.0 22967.2 22161.6 21613.1 21389.0 21459.5 21388.3 21487.2 22366.4 23422.8 2007 23943.1 23824.1 23546.1 22984.2 22324.8 22010.8 21523.0 21442.0 21470.1 21853.5 23024.4 23518.9 2008 23918.1 23781.3 23496.4 23082.7 22541.0 21731.8 21422.5 21227.9 21388.6 21885.9 22692.7 23385.7 2009 23910.4 23849.6 23508.5 22840.7 22464.8 22005.7 21542.9 21352.7 21559.3 21761.3 23570.7 23866.5 2010 24064.1 23938.2 23491.3 22885.2 22163.3 21624.8 21323.1 21276.8 21523.2 21812.9 22593.7 23649.0 2011 23974.3 23886.3 23455.7 23027.3 22368.3 21815.2 21450.0 21554.8 21466.8 22154.4 22611.8 23421.4 2012 23866.0 23860.0 23499.3 22989.3 22271.4 21686.1 21480.0 21493.4 21633.1 22323.3 23629.6 24070.3 2013 24074.3 23908.1 23456.3 22820.0 22187.1 21817.0 21434.3 21489.0 21954.8 22336.7 23506.4 24007.1 2014 24006.3 23876.4 23442.4 22849.3 22344.3 21743.7 21317.1 21417.1 21505.4 21922.1 22944.0 23658.8 2015 23958.2 23847.2 23426.5 22800.0 22168.5 21707.1 21291.2 21192.3 21486.0 21772.3 22667.3 23376.0 2016 23876.5 23844.6 23425.4 22863.9 22235.9 21685.5 21311.1 21554.8 21576.7 22024.4 23325.0 23968.0 2017 24061.0 23904.2 23444.1 22919.4 22192.7 21628.6 21373.5 21297.6 21778.8 22183.7 23168.5 23981.8 2018 24006.7 23849.2 23434.2 23084.4 22275.0 21826.8 21391.1 21272.8 21347.9 21898.1 22752.2 23979.7 2019 23983.5 23929.2 23500.3 23000.7 22309.0 21657.9 21502.3 21298.6 22286.1 22418.9 23665.0 23999.4 2020 24064.7 23947.4 23483.5 22987.2 22229.6 21669.2 21459.3 21373.3 21639.7 21544.4 22173.6 23134.5 2021 23894.1 23799.6 23559.1 22920.0 22180.0 21720.4 21406.8 21267.0 21383.6 21801.3 22435.0 23363.1 2022 23991.8 23832.3 23459.6 22955.2 22195.4 21739.6 21375.6 21271.7 21332.8 21700.0 22572.5 23304.2 2023 23901.7 23772.2 23526.8 22970.8 22278.6 21803.6 21369.5 21495.0 21705.8 21958.3 22577.1 23607.7 2024 23853.3 23806.3 23392.7 22983.5 - - - - - - - -