Mcmurdo 00Z 200hPa height 1956 - - - - - - - 10549.3 10555.0 10544.9 - - 1957 - - - 10829.1 10827.7 10709.5 10530.4 10551.4 10575.8 10729.8 11047.3 11270.0 1958 - - 11053.9 10965.6 10759.5 10635.8 10544.3 10524.2 10381.5 10596.3 10815.6 11027.6 1959 11218.1 11166.8 - - 10727.5 10614.0 10591.9 10620.3 10403.2 10557.0 10739.3 11054.5 1960 11222.6 11154.7 - - - - - - - - - - 1961 11214.4 11199.5 10994.0 10900.3 10769.1 10723.8 10553.7 10476.7 10634.5 10676.9 10817.8 - 1962 11088.6 11158.5 11004.4 10764.2 10633.1 10667.8 10436.8 10541.8 10613.8 10656.6 11002.5 11138.9 1963 11252.6 11177.9 11042.7 10871.5 10669.7 10593.7 10552.0 10682.9 10559.9 10547.2 10810.3 11094.7 1964 11275.8 11146.9 11020.8 10766.2 10577.1 10658.0 10743.6 10654.1 10511.0 10636.7 11022.0 11230.0 1965 11252.6 11302.2 11035.9 10835.3 10760.3 10662.6 10620.2 10448.5 10546.1 10654.6 10855.9 11189.6 1966 11178.0 11179.2 11172.0 10879.9 10745.2 10622.5 10640.6 10323.6 10419.5 10533.9 10895.0 11210.5 1967 11346.0 11220.8 11006.8 10794.5 10744.6 10649.5 10554.3 10448.6 10569.4 10605.8 11012.4 11231.2 1968 11270.8 11212.6 11008.6 10864.6 10828.1 10629.5 10425.7 10468.0 10423.4 10692.7 11051.9 11181.4 1969 11343.6 11142.8 11002.1 10948.7 10765.0 10772.8 10470.6 10449.7 10579.6 10604.9 10801.2 11118.8 1970 11236.8 11131.9 11067.6 10947.3 10698.6 10706.6 10687.5 10446.9 10575.0 10747.5 10819.8 11187.1 1971 11276.4 11164.2 - - 10866.5 10645.1 10585.3 10604.3 10553.7 10762.2 10852.9 11188.3 1972 11387.9 11252.4 11061.8 10972.3 10773.2 10809.6 10662.8 10641.9 10610.4 10559.2 10810.1 11173.4 1973 11301.3 11086.1 10939.3 10945.6 10870.6 10708.6 10661.1 10513.0 10633.8 10657.2 10977.0 11075.5 1974 11330.6 11100.8 10958.9 10788.2 - - - - 10404.2 10718.0 11076.6 11302.4 1975 11328.3 11166.3 11059.6 10884.2 10855.1 10716.4 10675.2 10488.0 10465.9 10574.0 10925.4 11222.9 1976 11373.5 11191.7 11001.4 10777.5 10718.8 10610.8 10615.2 10531.2 10477.1 10519.3 10947.5 11329.1 1977 11392.0 11151.7 10968.8 10881.8 10772.5 10709.2 - 10655.8 10411.3 10597.0 10880.8 11235.0 1978 11218.5 11220.5 11037.8 10908.4 10748.9 10650.5 10747.8 10407.6 10512.3 10628.9 10937.6 11129.6 1979 11211.4 11111.0 10928.6 10872.0 10692.8 10595.6 10411.1 10517.1 10497.9 10564.4 10877.6 11294.8 1980 11355.4 11229.8 11118.0 - 10799.2 10596.4 10685.4 10593.8 10724.2 10540.0 10962.9 11168.4 1981 11169.7 11199.0 11051.3 - 10717.9 10634.7 - - - - - - 1982 - - - 10768.4 10780.0 10532.0 10596.0 - - - 10807.9 11270.6 1983 - - - - 10874.3 10667.0 10614.2 - - - - 11216.3 1984 11384.8 11224.0 11029.3 - 10848.3 10595.6 10397.9 10545.7 10553.8 10688.9 10939.7 11231.0 1985 11343.5 11112.2 11040.0 10868.8 10695.8 10643.9 10452.7 10608.0 10449.1 10589.1 10795.8 10939.0 1986 - 11264.2 - - - - - - - 10593.8 10906.3 11192.3 1987 11341.7 11183.8 10969.2 10847.5 10670.0 - - - 10687.1 10683.4 10790.3 11131.0 1988 11248.0 11150.5 10938.4 10873.8 10739.2 10730.5 10604.5 10624.6 10670.6 10861.7 10945.9 11213.2 1989 11201.7 11166.7 11013.5 10951.9 10627.0 10520.0 10519.1 10530.7 10609.4 10715.8 10768.1 11253.3 1990 11257.9 11117.6 10942.8 10877.2 10834.1 10692.9 - 10529.0 10580.0 10792.4 - 11361.7 1991 11374.6 11273.8 - 11036.7 10806.2 10856.7 - 10750.9 10706.2 10828.2 11077.8 11307.1 1992 11257.4 11230.0 11037.1 10847.0 10850.9 - 10580.8 10641.4 10445.7 10666.3 10897.2 11094.2 1993 11329.6 11180.5 11043.3 10850.0 10626.4 10490.9 10455.8 10564.2 10556.7 10570.6 10875.0 11082.1 1994 11201.1 11067.1 - - - 10761.1 10745.7 10370.0 - 10688.1 11011.2 11078.8 1995 11172.3 11145.2 - 10880.0 10685.0 10711.7 10810.0 - - 10650.0 10885.5 11007.1 1996 11123.0 11159.5 - 10860.9 - - - 10738.0 10644.2 10564.8 10954.0 11155.2 1997 11214.2 11147.1 10985.0 - - - - - 10652.0 10742.3 11101.2 11142.6 1998 11200.0 11223.3 - 10858.3 10921.6 10798.8 10754.0 10695.0 10737.3 10807.5 10816.0 11044.6 1999 11128.0 11112.3 10966.1 10786.9 10639.6 10830.0 10596.8 10566.1 10630.0 10574.5 10781.6 10939.3 2000 11073.8 11075.2 10960.0 10800.4 10717.6 10707.5 10622.8 10561.1 10686.0 10698.5 10962.7 11229.2 2001 11254.5 11153.0 11015.2 10822.9 10779.2 10672.3 10639.5 10533.2 10571.9 10640.3 10769.2 11003.7 2002 11222.0 11077.8 11104.5 10810.0 10888.3 10801.2 10626.4 10482.0 10806.2 10866.8 11093.2 11139.4 2003 11338.3 11185.2 11025.6 10809.5 10698.3 10725.6 10594.0 10531.0 10610.3 10616.4 10888.5 11258.7 2004 11257.7 11284.3 10967.2 10826.6 10728.6 10705.9 10396.5 10592.6 10583.0 10679.9 10920.2 11240.5 2005 11273.4 11134.7 10968.9 10797.9 10747.4 10776.0 10627.9 10520.8 10612.2 10733.3 10932.9 11265.5 2006 11238.2 11159.4 11033.9 10912.3 10680.0 10609.0 10513.6 - 10591.3 10669.1 10851.7 11047.2 2007 11251.5 11152.0 11131.5 10894.9 10851.1 10721.5 10742.0 10591.8 10545.0 10710.4 10860.4 10996.6 2008 11217.2 11055.5 10991.3 10966.9 10791.3 10643.8 10535.6 10534.0 10544.7 10634.3 10817.8 11085.6 2009 11167.8 11131.7 10998.5 10854.6 10834.2 10705.5 10750.3 10649.9 10582.2 10633.4 10882.7 11098.9 2010 11366.6 11212.3 11070.6 10839.2 10692.2 10560.5 10415.1 10426.7 10563.7 10663.1 10765.9 11093.1 2011 11203.1 11138.8 11057.8 10931.8 10722.3 10689.5 10658.6 10679.6 10701.3 10655.9 10963.0 11034.2 2012 11133.9 11144.6 11021.1 10808.3 10747.2 10706.1 10507.8 10582.9 10573.1 10706.9 10997.1 11277.9 2013 11314.8 11086.7 10932.8 10797.9 10743.6 10681.1 10467.3 10718.7 10775.0 10722.6 10806.7 11212.3 2014 11335.0 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - 11011.8 10868.4 10704.1 10558.1 10504.7 10488.1 10519.5 10770.4 10815.2 11083.2 2018 11197.4 11088.0 10983.5 10950.0 10690.0 10647.1 10636.4 10655.4 10539.6 10612.2 10832.6 11050.8 2019 11154.5 11169.2 11036.8 10847.0 10754.0 10506.1 10717.9 10619.5 10530.6 10728.6 11118.4 11258.1 2020 11236.7 11173.3 10893.9 10878.8 10705.8 10547.6 10680.7 10569.3 10564.2 10557.3 10717.6 10973.6 2021 11075.3 11084.1 10976.7 10785.2 10678.2 10600.5 10648.0 10652.6 10484.7 10685.7 10731.7 10904.8 2022 11046.9 11153.5 10993.3 10825.2 10712.3 10765.8 10584.4 10524.6 10521.8 10648.6 10786.7 10956.8 2023 11055.0 11065.5 11001.5 10948.9 10685.6 10693.8 10597.0 10467.2 10615.0 10565.6 10783.9 10955.7 2024 11081.4 11040.0 10937.5 10680.0 - - - - - - - -