Davis 00Z 200hPa height 1959 - - - 10884.4 10869.6 10853.9 10640.0 10685.9 10548.6 10778.7 10803.0 11198.3 1960 11234.8 11191.7 10949.6 10983.6 10880.0 10674.0 10628.2 10669.3 10568.5 10761.1 10891.9 - 1961 - 11249.2 11081.2 11053.9 10907.3 10896.1 10648.1 10661.3 10809.2 10825.4 11004.3 11019.7 1962 11083.7 11163.1 11012.5 10927.6 10815.8 10944.4 10593.4 10516.6 10665.3 10689.0 11021.0 11137.7 1963 11251.6 11174.8 11052.5 10915.9 10914.1 10793.6 10704.8 10877.9 10765.0 10663.2 10801.4 11218.7 1964 11301.6 11181.1 11043.2 10954.0 10746.3 10898.5 10896.6 10746.7 10559.7 10718.0 - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - - - - 1968 - - - - - - - - - - - - 1969 - - - 10955.6 10880.8 - 10556.5 10504.0 10562.7 10746.2 10966.3 11220.8 1970 11226.6 11142.4 11204.3 11001.1 10931.8 10805.2 10728.6 10607.2 10661.5 10706.3 10967.0 11191.7 1971 11371.7 11297.9 11073.0 10993.7 10954.7 10659.6 10673.4 10724.8 10728.9 10773.2 10996.7 11313.9 1972 11334.0 11212.9 11106.5 10993.0 10827.5 10758.5 10716.6 10862.5 10767.6 10785.2 10911.4 11184.0 1973 11276.5 11195.6 11019.0 10999.3 10981.9 10858.0 10632.9 10573.3 10742.5 10797.4 10958.6 11127.9 1974 11265.2 11210.0 11018.6 10989.7 10845.9 10833.4 10731.0 10761.8 10615.9 10811.7 11057.2 11282.3 1975 11337.7 11241.1 11162.3 10923.7 10955.2 10831.3 10763.9 10648.1 10653.2 10741.3 10968.3 11201.9 1976 11344.2 11202.1 11077.1 10918.6 10747.7 10718.3 10625.3 10597.0 10559.3 10653.3 11055.0 11349.7 1977 11324.5 11211.1 11029.3 10887.9 10927.6 10864.0 10773.8 10789.3 10523.0 10708.7 10926.3 11150.3 1978 11162.6 11190.0 11096.0 10958.0 10901.0 10722.5 10766.8 10466.1 10669.3 10694.5 11005.0 11141.1 1979 11284.6 11182.9 10989.0 11020.3 10790.0 10653.2 10584.1 10575.6 10626.4 10725.4 11126.1 11221.0 1980 11322.0 11248.6 11105.8 11106.0 10853.0 10748.6 10783.7 10769.3 10752.0 10692.0 10995.9 11172.3 1981 11230.0 11261.9 11129.7 10953.2 10806.9 10731.3 10806.7 10790.3 10699.3 10662.5 10918.3 11232.5 1982 11222.3 11187.9 10966.7 10830.0 10761.6 10665.3 10638.7 10535.4 10529.6 10656.5 11084.7 11323.3 1983 11253.9 11180.0 11060.3 10901.7 10861.6 10760.0 10619.7 10604.3 10672.8 10687.6 10825.7 11115.8 1984 11267.4 11180.0 11070.0 10959.3 10953.2 10719.7 10616.8 10682.6 10638.7 10604.5 10948.0 11305.5 1985 11344.0 11151.8 11034.5 11023.3 10855.2 10874.7 10558.3 10618.2 10611.4 10647.1 10777.6 11065.4 1986 11256.1 11318.2 11133.7 10915.7 10929.0 10765.4 10655.5 10591.0 10607.0 10674.7 10905.5 11115.5 1987 11323.2 11185.7 11075.0 10981.7 10772.6 10794.6 10722.3 10475.5 10558.7 10704.5 10921.3 11103.5 1988 11305.5 11072.5 11076.1 - - 10891.5 10660.0 10637.1 10785.6 10888.0 10971.6 11173.4 1989 11253.1 11218.9 11073.1 10951.0 10697.1 10724.8 10662.1 10729.3 10718.1 10767.4 10934.6 11251.1 1990 11296.0 11230.4 11087.5 11098.2 10982.3 10762.8 10948.7 10600.7 10523.6 10813.5 10972.4 11155.0 1991 11167.2 11198.8 11127.2 10963.8 10853.5 10914.4 10897.0 10689.9 10681.9 10721.9 10932.9 11325.3 1992 11266.2 11249.0 11102.3 10981.1 11019.0 10909.5 10720.0 10591.6 10525.8 10726.8 10911.0 11024.0 1993 11303.1 11150.4 11054.1 10930.0 10730.7 10673.5 10664.1 10572.7 10619.6 10703.2 10861.0 11081.9 1994 11212.5 11121.2 10983.2 10907.5 10886.7 - 10771.9 10588.5 10660.7 10726.8 11062.1 11062.7 1995 11185.4 11207.1 11059.3 11035.8 10806.6 10740.5 10908.5 10662.4 10530.1 10725.6 10953.4 11067.9 1996 11218.3 11223.2 11060.9 10977.8 10738.6 10860.4 10738.9 10744.2 10851.9 10751.8 10976.8 11182.4 1997 11253.6 11205.4 11043.7 10970.6 10810.6 10795.0 10572.7 10645.9 10553.7 10743.4 11029.1 11217.8 1998 11190.1 11155.9 11046.1 10814.7 10776.2 10773.1 10700.7 10623.2 10710.9 10724.8 10868.3 10990.5 1999 11190.8 11152.9 11062.5 10812.4 10808.6 10892.1 10640.6 10619.0 10698.0 10637.4 10876.9 10905.3 2000 11132.8 11139.3 11004.7 11005.6 10785.0 10905.0 10707.0 10656.5 10761.6 10650.3 10994.0 11273.1 2001 11271.8 11273.0 11077.5 10856.3 10863.9 10775.0 10724.9 10578.7 10595.8 10687.6 10843.7 11079.5 2002 11202.3 11134.6 11133.0 10987.2 11044.0 10826.6 10762.6 10627.9 10745.1 10974.8 11001.1 11160.6 2003 11331.5 11248.3 11100.2 10889.3 10830.2 10839.1 10692.8 10615.5 10707.0 10681.8 10959.9 11220.5 2004 11278.9 11283.5 11032.3 10924.4 10874.6 10704.0 - 10541.3 10564.6 10802.7 10958.1 11216.2 2005 11224.8 11219.0 11135.8 10850.3 10910.7 10869.8 10721.3 10636.4 10678.7 10780.8 10891.5 11324.6 2006 11205.7 11144.1 11035.2 10982.8 10792.8 10704.6 10544.5 10756.4 10697.7 10701.5 10885.8 11011.4 2007 11238.2 11135.5 11071.0 11051.5 10945.0 10900.4 10854.3 10729.3 10651.9 10777.4 10953.2 11066.7 2008 11134.8 11124.1 11103.1 11035.1 10926.9 10671.4 10764.0 10547.8 10642.0 10628.4 10896.6 11076.1 2009 11210.7 11261.4 11110.3 10976.7 10910.0 10949.1 10799.6 10698.5 10740.3 10720.2 11041.8 11120.7 2010 11317.3 11284.7 11077.7 10911.8 10804.0 10650.2 10539.1 10549.6 10717.6 10710.4 10892.5 11138.5 2011 11333.5 11177.5 11071.6 11015.8 10835.3 10872.4 10839.3 10669.8 10724.0 10717.5 11070.8 10978.3 2012 11130.0 11203.4 11054.2 10982.8 10826.3 10752.7 10597.6 10646.9 10618.0 10818.2 11122.5 11273.8 2013 11312.0 11193.9 11003.1 10927.2 10760.9 10852.1 10692.3 10755.8 10855.6 10861.7 11117.5 11228.4 2014 11257.5 11186.0 11084.3 10873.5 10973.5 10765.7 10671.0 10599.9 10747.9 10743.2 10977.3 11060.5 2015 11223.8 11134.1 11125.9 - - - - - - 10677.0 10895.8 11075.2 2016 11144.1 11185.4 11018.3 10963.4 10800.3 10672.1 10663.3 10776.8 10644.3 10826.8 11067.6 11195.7 2017 11303.3 11210.4 11081.0 10856.3 10822.7 10724.5 10754.8 10604.1 10629.0 10768.7 10988.6 11193.6 2018 11279.0 11261.6 11110.8 11053.6 10776.2 10861.8 10725.2 10778.3 10582.4 10659.6 10872.9 11172.0 2019 11220.6 11295.2 11087.7 11007.9 10847.1 10778.6 10728.1 10656.3 10658.3 10962.6 11165.0 11291.3 2020 11340.0 11217.9 11035.8 11008.7 10903.7 10810.0 10784.0 10755.9 10702.8 10753.3 10981.0 11038.1 2021 11143.5 11123.9 11107.7 10946.6 10790.3 10702.1 10723.8 10664.5 10631.3 10760.0 10898.7 11024.2 2022 11211.0 11144.2 11065.2 10925.5 10852.3 10907.8 10659.7 10740.6 10572.7 10769.0 10820.7 10964.0 2023 11119.0 11180.4 11182.0 11015.2 10830.3 10854.5 10682.9 10628.3 10755.5 10744.2 10853.3 11106.1 2024 11175.0 11161.7 11030.3 10914.3 - - - - - - - -