Casey 00Z 50hPa height 1957 - - - 19934.8 19760.5 19672.7 - 18876.5 18957.7 19965.5 20706.6 20692.2 1958 20750.3 20531.2 20290.2 19994.8 19737.2 19296.7 19114.3 18766.5 18964.2 19596.2 20140.7 20518.9 1959 20663.4 20609.6 20404.6 20077.6 19700.7 19213.4 18799.8 18759.2 18692.6 19201.8 19822.3 20558.6 1960 - 20564.3 20226.2 19996.8 19684.1 19259.3 18979.6 18893.2 18974.8 19500.0 20444.6 20606.2 1961 20769.2 20686.3 20347.5 20058.0 19553.0 19448.1 - - 19130.0 19341.5 20210.9 - 1962 20529.5 20490.0 20266.5 19847.8 19533.6 19236.1 18953.3 18919.5 19220.0 19667.3 20452.4 20570.0 1963 20691.2 20562.8 20340.8 19918.8 19744.0 19105.6 - 18911.6 18975.9 19278.0 20203.3 20593.8 1964 20671.8 20537.3 20312.2 19949.2 19330.5 - 19083.0 19171.1 19302.4 20078.9 20518.1 20712.1 1965 20726.2 20654.3 20277.6 20011.0 - 19087.5 18821.0 18782.1 18824.0 19260.6 19976.8 20645.0 1966 20604.4 20646.1 20422.7 20003.5 19644.4 19555.0 - 18736.7 19042.1 19437.7 20424.2 20644.8 1967 20735.2 20565.2 20312.8 19961.5 - 19419.0 - - 19218.0 19797.2 20398.8 20610.0 1968 20687.5 20510.0 20291.7 19999.5 19768.2 - - - 18965.0 19667.0 20620.0 20626.1 1969 20729.4 - - 19986.9 19639.5 19376.7 - 18844.8 18961.4 19326.5 20199.2 20524.8 1970 20618.3 20483.3 20389.4 20101.1 19797.5 - - 18889.3 19275.5 19595.7 20405.6 20645.8 1971 20731.1 20603.1 20250.4 20019.6 19968.3 19220.0 18958.2 18897.4 19072.1 19816.2 20292.0 20638.7 1972 20707.3 20586.4 20323.7 20036.7 19485.7 19136.2 19071.6 18837.1 18934.6 19603.9 20213.8 20558.9 1973 20655.4 20536.2 20271.6 20007.8 19768.3 19381.4 18903.6 18812.7 19293.2 19585.9 20354.8 20464.8 1974 20688.7 20543.8 20239.4 19903.8 19470.0 - - - 19153.8 19771.0 20598.3 20671.0 1975 20740.5 20572.0 20371.7 19876.8 19609.4 19185.7 19067.5 19117.9 19365.0 19321.7 19984.5 20619.6 1976 20728.3 20553.0 20358.9 19940.0 19493.5 19115.8 - 18781.7 18908.3 19572.4 20498.4 20616.2 1977 - 20488.8 20210.0 19840.6 19706.9 19556.4 - - 19106.2 19787.1 20341.1 20627.0 1978 20626.0 20592.6 20330.0 19938.5 - - 18983.9 18703.8 19019.1 19498.2 20344.7 - 1979 20622.3 20576.9 20221.1 19959.4 19542.1 - - - 18977.8 19916.4 20255.6 20637.4 1980 20688.8 20582.1 20255.0 20070.4 19670.0 19451.5 19105.7 18748.5 18863.1 19581.2 20330.0 20576.4 1981 20653.8 20578.9 20429.1 19916.0 19547.9 19281.8 18933.1 18831.6 18936.4 19376.7 20200.5 20555.4 1982 20612.6 20535.5 20198.6 19781.8 19326.7 19141.9 - 18539.4 19032.1 19442.1 20305.8 20726.7 1983 20692.9 20526.7 20276.2 19891.4 19567.1 19165.7 18783.3 18751.7 18895.9 19446.3 20048.6 20436.1 1984 20687.5 20517.6 20278.9 19913.0 19676.5 19274.3 18867.4 18828.2 19063.7 19528.6 20286.9 20617.2 1985 20702.3 20464.6 20256.5 19970.3 19605.2 19174.5 18740.8 18825.4 18747.8 19272.4 19943.5 20370.0 1986 20597.1 20595.6 20283.3 19877.3 19730.6 19308.2 18940.9 18666.1 19041.0 19334.4 20183.0 20534.3 1987 20696.0 20525.6 20315.4 19876.7 19415.2 19325.7 18873.1 18601.4 18742.7 19160.4 19693.0 20458.4 1988 20634.2 20471.8 20286.6 19894.6 19634.3 19329.8 18965.1 19125.5 19784.5 20211.1 20393.2 20563.4 1989 20670.0 20522.7 20234.7 20013.0 19431.7 19198.3 18839.5 18805.9 18944.2 19430.0 19951.4 20720.7 1990 20688.1 20562.9 20282.6 20031.9 19796.3 19274.8 19100.9 18802.1 18978.9 19410.6 19924.8 20559.0 1991 20556.8 20464.5 20290.7 20106.1 19627.6 19280.8 19040.5 18868.4 19111.2 19764.8 20400.0 20687.5 1992 20666.5 20557.2 20272.5 19872.8 19732.0 19589.4 19083.4 18969.4 19063.6 19556.0 20034.4 20455.2 1993 20593.3 20527.4 20278.9 19864.0 19380.2 18962.9 18878.9 18677.5 18896.1 19368.7 20149.5 20357.3 1994 20548.6 20412.7 20174.0 19868.3 19584.1 19632.6 18972.1 18832.9 18983.7 19630.0 20568.3 20360.2 1995 20563.3 20492.7 20271.8 20011.9 19500.2 19222.9 19177.0 18783.2 19059.5 19254.0 20298.8 20270.8 1996 20529.3 20464.1 20249.6 19959.4 19334.0 19383.7 18955.4 18933.3 19560.0 19171.2 19894.6 20568.8 1997 20589.9 20484.6 20260.1 19878.8 19590.1 19209.0 18774.8 18910.1 19160.2 19371.2 20219.9 20411.9 1998 20505.6 20445.6 20171.9 19750.1 19413.3 19404.6 18864.1 18771.0 19041.8 19260.6 19771.0 20131.9 1999 20392.1 20447.3 20191.0 19839.1 19462.1 19256.0 18845.5 18708.9 18972.3 19392.4 19788.2 20116.4 2000 20384.5 20411.1 20163.4 19873.2 19354.5 19185.3 18930.9 18775.7 19208.1 19880.0 20146.7 20573.2 2001 20625.6 20533.5 20289.0 19804.4 19718.3 19404.8 18829.5 18638.7 18771.6 19341.6 19474.3 20298.6 2002 20577.6 20474.8 20376.2 19918.0 19787.3 19417.2 19025.8 19114.2 19895.7 20102.0 20234.4 20540.2 2003 20619.8 20575.7 20335.5 19841.8 19466.7 19337.0 - - 19111.1 19354.5 19972.0 20503.8 2004 20596.8 20464.9 20246.6 19906.1 19708.3 19196.1 18788.1 18970.8 18968.7 19663.9 20196.5 20582.9 2005 20592.4 20484.8 20283.9 19776.7 19682.0 19364.9 18874.2 18831.1 19513.8 19794.4 20029.1 20491.8 2006 20545.2 20436.6 20253.2 19998.7 19393.5 19205.0 - - 19096.7 18998.7 19669.1 20257.9 2007 20506.6 20463.1 20257.9 19983.4 19645.3 19415.5 18933.3 18939.5 19342.1 19566.9 19918.1 20187.8 2008 20452.4 20449.5 20209.0 19971.5 19730.6 19045.6 18816.6 18733.6 18771.0 19375.5 19991.4 20301.5 2009 20460.4 20477.3 20259.9 19883.4 19608.2 19181.0 18956.7 18714.5 19012.1 19337.7 20130.1 20521.8 2010 20601.2 20518.5 20297.3 19919.7 19407.1 19056.2 18771.5 18716.0 18959.7 19207.0 19619.2 20366.6 2011 20554.0 20426.4 20273.2 19974.9 19553.7 19081.7 19082.7 18777.4 19092.4 19343.4 20274.6 20132.6 2012 20481.1 20448.2 20269.1 19948.2 19511.0 19165.0 18752.2 18910.0 19255.9 20019.4 20413.1 20600.7 2013 20634.7 20508.9 20184.1 19824.7 19489.8 19185.6 18820.8 18845.2 19777.3 19859.6 20051.6 20576.9 2014 20582.4 20491.8 20257.9 19889.1 19638.5 - 18932.1 18734.6 19164.8 19579.4 20277.9 20198.9 2015 20550.8 20445.6 20232.7 19853.8 19517.9 19156.5 18789.2 18722.5 18721.1 18957.9 19720.7 20110.4 2016 20432.1 20397.1 20154.1 19847.6 19575.2 19012.6 18784.4 18902.4 19141.9 19540.0 20422.9 20548.3 2017 20613.0 20527.2 20225.5 19783.5 19547.8 19090.7 18941.2 18885.9 19335.2 19720.0 19840.7 20561.3 2018 20584.0 20482.5 20213.1 20038.7 19556.2 19198.3 18817.8 18841.3 18806.9 19245.0 19643.4 20407.5 2019 20476.0 20500.4 20250.0 19952.9 19515.5 19161.2 19070.7 19198.6 19918.6 20171.7 20527.3 20552.6 2020 20630.7 20595.4 20222.2 20014.8 19628.6 19065.2 19032.0 19196.4 19036.2 19147.1 19418.2 20087.6 2021 20457.7 20460.4 20233.0 19908.8 19371.7 19012.5 18801.4 18726.7 18891.4 19323.6 19575.2 20076.6 2022 20451.3 20477.8 20181.4 19842.9 19564.4 19403.2 18840.0 18774.5 18890.0 19243.2 19607.9 20088.7 2023 20442.1 20409.1 20231.4 19930.3 19372.9 19282.1 18821.3 18683.6 19108.8 19408.3 19545.0 20250.0 2024 20378.1 20351.1 20181.1 19825.9 - - - - - - - -