Mawson 12Z 200hPa height 1955 - - - - - - - - - - - - 1956 - - - - - - - - - - - - 1957 - - - - - - - - - - - - 1958 - - - - - - - - - - - - 1959 - - - - - - - - - - - - 1960 - - - - - - - - - - - - 1961 - - - - - - - - - - - - 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - 10820.7 11058.3 11227.2 1968 11266.1 11267.9 11167.2 - - - - - - - - - 1969 - - - - - - - - - 10761.5 - - 1970 - - - - - - - - - - 11108.1 11205.6 1971 11425.7 11310.0 11148.5 - - - - - - 10783.9 11018.8 11305.0 1972 11340.4 11236.3 11134.1 - - - - - - 10814.2 10947.5 11266.5 1973 11292.4 11240.0 11068.0 - - - - - - 10751.8 10931.1 11152.9 1974 11289.0 11236.8 11084.0 11017.8 10909.0 10823.6 10738.0 10763.5 10656.7 10801.0 11023.8 11286.0 1975 11314.3 11276.4 11167.0 - - - - - - 10729.0 10963.1 11182.5 1976 - - - - - - - - - 10628.6 11077.3 11371.4 1977 11338.3 11225.4 11078.7 - - - - - - 10933.6 10943.3 11166.2 1978 11192.9 11261.9 - - - - - - - - - - 1979 - - 11060.3 11059.7 10802.6 10646.6 10576.3 10583.8 10633.2 10809.7 11139.6 11268.4 1980 11337.3 11308.8 11165.7 11072.8 10926.4 10748.2 10792.1 10746.5 10737.1 10703.3 11006.0 11199.7 1981 11256.6 11298.6 11146.5 10954.1 10842.7 10746.9 10855.5 10782.6 10722.3 10726.8 10943.9 11239.7 1982 11265.9 11218.1 11025.0 10905.3 10811.3 10696.3 10605.0 10596.7 10582.1 10701.3 11122.1 11340.0 1983 11271.0 11203.2 11086.7 10943.7 10860.0 10747.6 10631.3 10599.3 10713.0 10731.0 10861.0 11112.6 1984 11248.7 11217.9 11120.4 10974.3 10993.7 10704.7 10619.0 10697.6 10666.0 10683.5 10957.3 11303.4 1985 11336.0 11182.9 11080.3 11060.3 10844.0 10848.0 10627.0 10614.5 10628.3 10672.9 10838.3 11090.0 1986 11283.5 11324.6 11170.7 10949.0 10883.0 10785.7 10653.7 10641.0 10596.3 10733.5 10931.0 11102.3 1987 11320.6 11199.6 11108.4 11000.7 10823.0 10796.0 10731.7 10503.3 10585.0 10734.5 10936.8 11107.3 1988 11320.3 11170.0 11124.5 10948.1 10910.0 10871.6 10600.4 10635.8 10782.4 10882.2 11008.4 11213.5 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - 10879.0 10827.4 10708.0 10675.8 10743.7 11018.3 11391.2 1992 11278.8 11262.2 11152.1 11068.9 11034.0 10957.3 10659.5 10589.0 10560.0 10756.8 10950.6 11113.1 1993 11280.0 11211.5 11070.9 10950.7 10795.4 10722.0 10700.6 10617.7 10685.4 10798.1 10895.8 11078.8 1994 11193.9 11172.4 11016.5 10989.0 10883.1 10970.8 10769.0 10627.7 10650.8 10749.6 11022.3 11116.7 1995 11219.2 11252.5 11095.6 11043.1 10828.0 10721.3 10820.0 10696.9 10534.7 - - 11170.7 1996 11235.6 11236.4 11087.4 11004.1 10783.8 10867.0 10794.6 10761.6 10915.1 10770.8 11005.1 11178.6 1997 11286.2 11245.4 11044.0 11021.0 10845.2 10828.9 10604.6 10666.9 10622.2 10735.1 11091.1 11227.5 1998 11229.7 11162.3 11100.4 10852.3 10838.5 10798.5 10699.5 10603.3 10717.0 10746.2 10875.8 11052.8 1999 11235.5 11188.5 11047.0 10821.8 10833.9 10915.4 10623.1 10664.0 10742.1 10648.3 10897.2 10914.7 2000 11152.1 11150.9 11000.3 11015.3 10773.7 10892.6 10715.3 10695.5 10768.8 10721.4 11022.7 11263.2 2001 11284.2 11263.1 11098.7 10928.3 10898.5 10811.7 10767.2 10587.8 10602.6 10712.2 10840.1 11057.0 2002 11223.5 11163.6 11149.9 11048.0 11048.0 10845.1 10792.0 10664.6 10722.1 11028.0 11002.5 11187.4 2003 11328.6 11245.6 11117.3 10942.6 10854.8 10818.8 10684.0 10646.3 10663.0 10714.3 10998.9 11247.8 2004 11281.8 11308.5 11067.2 10972.6 10852.8 10735.1 10551.1 10561.3 10605.0 10801.6 10937.7 - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - 11081.1 10917.7 10713.0 10756.3 10574.0 10684.8 10640.2 10878.1 11052.1 2009 11246.3 11233.5 11125.4 10967.1 10911.3 11029.6 10767.9 10715.3 10716.4 10769.9 11074.5 11136.9 2010 11342.1 11318.1 11090.2 10925.1 10797.3 10626.7 10546.5 10545.0 10703.7 10726.4 10906.9 11144.3 2011 11357.9 11231.4 11082.0 11064.2 10863.1 10909.1 10796.7 10780.0 10726.4 10771.9 11019.9 11047.4 2012 11129.1 11222.3 11057.3 10974.2 10846.0 10741.7 10643.8 10700.0 10629.6 10811.8 11132.2 11277.6 2013 11279.6 11221.4 11058.7 10936.3 10766.9 10860.5 10688.6 10797.0 10819.3 10827.6 11151.9 11237.6 2014 11266.7 11218.5 11108.2 10889.9 10948.5 10797.0 10672.8 10634.5 10747.2 10756.3 10966.8 11077.7 2015 11247.2 11169.3 11057.2 10887.6 10868.4 10742.6 10640.4 10603.4 10633.7 10814.2 10937.8 11083.7 2016 11147.2 11181.2 11081.0 10941.0 10821.4 10710.7 10643.2 10800.5 - - 11117.9 11174.2 2017 11329.4 11207.2 11051.7 10896.4 10862.7 10715.6 10751.5 10578.8 10664.6 10810.5 11022.5 11179.5 2018 11367.3 11249.2 11153.2 11053.8 10796.5 10936.9 10668.3 10710.7 10588.8 - 10916.7 11198.7 2019 11272.9 11249.2 11116.0 11030.0 10876.0 10790.0 10733.3 10615.8 10657.5 10980.0 11145.0 11336.7 2020 11316.7 11202.9 11162.3 11030.0 10893.6 10808.9 10773.6 10689.1 10680.0 10762.9 10985.9 11067.2 2021 11153.6 11115.6 11159.2 10945.0 10775.3 10685.0 10687.0 10627.7 10662.7 10712.1 10908.8 11033.7 2022 11258.8 - 11097.3 10960.0 10822.1 10818.6 10702.8 10691.2 10542.7 10755.3 10870.0 10977.3 2023 11128.8 11187.8 11251.8 11023.9 10894.1 10722.7 10682.7 10660.0 10728.6 10774.4 10874.7 11142.8 2024 11174.4 11229.3 11052.1 10952.5 - - - - - - - -