Mcmurdo 00Z 50hPa height 1956 - - - - - - - - 18836.0 - - - 1957 - - - 19526.9 19384.2 18993.9 18513.7 18439.3 18628.6 19236.1 20618.6 20760.2 1958 - - 20290.2 - - 18822.6 - - 18390.1 19071.0 19975.2 20576.5 1959 20702.9 20589.2 - - 19377.6 - - 18524.5 18391.6 18862.6 19356.0 - 1960 - 20572.1 - - - - - - - - - - 1961 20723.0 20541.0 20149.5 19746.9 19256.5 - - - 18596.1 - 19604.0 - 1962 20538.3 20483.1 20263.0 19582.8 - - 18396.5 18421.0 18709.0 19222.6 20353.4 - 1963 - 20581.6 - - - - - - 18521.3 18880.4 19951.8 20561.3 1964 20751.4 20559.3 20192.8 19533.7 19005.0 18674.5 18676.1 18532.0 18724.1 19408.4 20549.1 20716.7 1965 20724.7 20625.3 20265.6 19657.4 19153.1 - - - 18508.7 18967.4 20101.7 20610.9 1966 20665.4 20536.7 - - - - - - 18330.7 - 19889.7 - 1967 20803.9 20554.3 20175.2 19521.0 - 18750.3 18503.6 18361.6 18730.0 19252.9 20317.1 20660.6 1968 20759.9 20644.8 20174.0 19762.0 19182.2 18822.5 18300.5 - 18448.6 19330.7 20527.3 20764.3 1969 20831.8 20568.3 20181.1 19845.6 - - - 18340.7 18613.7 18848.4 19840.1 20560.5 1970 20679.2 20541.9 20235.3 19868.4 - - - - 18683.7 - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 20752.9 20478.6 20184.0 - - - - - - 19261.2 20398.2 - 1975 - - - - 19294.9 18865.5 18673.0 18467.5 18567.2 18830.4 19873.3 20719.2 1976 20852.9 20603.2 20239.7 19646.8 19274.5 - - - - 19365.1 20242.6 20747.1 1977 20882.0 20545.2 20125.9 19698.2 19269.1 18938.6 - - 18476.5 19134.0 20316.6 20769.2 1978 20761.1 20635.0 20264.2 19793.4 - - - - - 19314.2 20009.5 - 1979 20690.2 - 20147.6 19778.2 - - - - - - 19937.2 20792.7 1980 20817.5 20741.1 - - - - - - - - 20004.1 20737.3 1981 20662.6 20571.1 - - - - - - - - - - 1982 - - - - - - - - - - - 20736.0 1983 - - - - - - - - - - - 20737.3 1984 20851.4 20740.0 20292.5 - - - - - 18606.7 19305.7 20152.8 20692.4 1985 20812.2 20494.9 20145.0 19784.5 - - - - - 18910.0 19645.4 - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - 18724.0 - 20658.0 1988 20744.0 20580.8 - - - - - - 18824.5 19530.0 20400.2 20684.7 1989 20742.7 20587.8 - 19732.3 - - - - - - - - 1990 20730.0 20525.3 20111.9 19676.9 19187.3 - - - 18719.4 - - 21049.4 1991 21062.7 20659.2 - 19952.7 - - - - 18898.6 - - 20763.1 1992 20740.8 - 20193.0 - - - - - 18463.0 19258.8 19752.5 20457.6 1993 20774.1 20525.7 20223.6 19755.5 - - - - - - 19946.2 20501.0 1994 20622.0 20455.6 - - - - - - - - - 20600.7 1995 20640.8 20566.9 - - - - - - - - 19813.8 20315.0 1996 20567.9 20473.3 - - - - - - 18812.0 18775.9 - 20372.0 1997 20682.0 20499.1 20213.0 - - - - - - - - 20378.1 1998 - - - - - - - - - 18962.7 19438.6 20190.0 1999 20470.0 20436.4 20111.0 19616.1 - - - - - 18799.5 19272.1 - 2000 - 20387.9 20092.3 19588.0 - - - - - 19315.0 20307.4 20627.2 2001 20638.6 20491.8 20150.7 - - - - - - 18934.0 19225.2 20074.2 2002 20592.9 20434.8 20261.9 - - - - - 20145.5 19660.4 20443.1 20485.4 2003 20695.7 20506.8 20212.1 19555.3 - - - - - 19007.2 19865.0 20583.5 2004 20629.7 20564.8 20137.8 19750.3 19413.2 - - - 18820.4 19260.9 19870.1 20668.5 2005 20672.5 20480.0 20109.5 19689.3 19201.2 19162.7 - - 18761.7 19214.3 20173.5 20474.9 2006 20658.0 20532.2 20227.2 19773.3 19339.2 - - - 18532.1 18785.4 19252.9 20364.2 2007 20562.7 20534.6 20269.1 19747.0 19237.8 18869.1 18840.0 18516.5 18610.3 19237.3 19540.6 20149.8 2008 20616.9 20456.0 20181.0 19815.0 - - - 18407.6 18416.1 18868.1 19400.8 20276.4 2009 20612.0 20436.3 20200.2 19614.8 19389.6 - - - - 19105.4 19587.2 20569.0 2010 20786.1 20573.2 20270.8 19633.1 - - - - 18503.5 18930.2 19198.0 20044.3 2011 20603.7 20448.8 20175.2 19759.0 19109.6 18822.3 - - 18599.4 18818.5 19717.9 20203.5 2012 20595.4 20526.7 20205.9 19645.2 - - - - 18670.0 19560.3 20225.2 20750.0 2013 20752.7 20462.9 20105.0 19620.5 - - - - 19010.8 19320.7 19808.7 20658.3 2014 20667.8 20511.5 20191.0 19770.0 19260.6 - - - 18874.0 19314.3 20130.0 20285.0 2015 20637.2 20466.4 20212.9 19563.8 19244.4 - - - - 18552.7 19128.6 20192.3 2016 20454.3 20363.9 20029.7 19640.7 19351.9 - - - 18598.9 19231.7 20444.8 20679.7 2017 20760.3 20528.9 20184.4 19703.0 19060.8 - - - 18676.5 19255.2 19830.3 20441.7 2018 20653.9 20392.5 20083.2 19737.9 19164.8 18721.9 - - 18458.3 18715.8 19530.0 20298.0 2019 20530.7 20469.6 20163.4 19654.4 19083.6 18886.0 - - 19069.6 19716.3 20500.7 20645.9 2020 20670.3 20558.6 20086.7 19724.3 19160.3 18730.7 - - 18383.0 18605.3 18969.7 19934.7 2021 20462.1 20418.6 20114.7 19658.6 19103.3 18724.5 - - 18322.5 18718.3 19143.3 19912.5 2022 20347.1 20476.7 20130.3 19557.9 19059.0 18878.4 18545.4 18364.3 18420.4 18669.7 19225.4 20157.4 2023 20401.0 20390.8 20104.3 19753.3 19014.1 18810.4 18658.7 - 18523.3 18840.7 19252.2 20002.3 2024 20410.0 20339.7 20101.3 19493.5 - - - - - - - -