Mawson 00Z 50hPa height 1960 - - - - - - - - - - - - 1961 - - - - - - - - - - - - 1962 - 20423.6 20232.3 - - - - - - - - - 1963 - 20533.0 - - - - - - - - - - 1964 - - 20091.0 - - - - - - 19335.0 19986.7 20642.0 1965 20693.2 20577.2 20373.6 - - - - - - - - 20603.6 1966 - 20555.4 - - - - - - - 19132.5 20074.2 20560.9 1967 20665.4 - - - - - - - 19031.1 19521.7 19967.0 - 1968 - 20543.0 20302.1 19821.9 19669.2 - - - - 19381.7 20504.2 20610.8 1969 20707.0 20564.0 20142.9 19774.8 19479.1 19112.7 - - 18673.8 19079.6 19783.5 20481.1 1970 20598.3 20513.6 20304.1 19838.8 19410.0 19202.0 - - - 19078.6 20072.9 20494.2 1971 20732.3 20649.5 20249.0 19849.3 - 18906.4 - - 19106.7 19242.7 20149.2 20576.1 1972 20636.0 20480.6 20190.0 19852.0 19344.7 - - - - 19391.5 20158.9 20544.4 1973 20634.1 20501.6 20192.0 19934.8 19577.4 19236.7 18762.0 18597.4 19134.7 19161.1 19836.8 20517.1 1974 - - - - - - - - - - - - 1975 - - 20204.8 19652.7 19402.1 - - 18774.0 - 19163.5 19940.7 20534.2 1976 20689.6 20511.5 20151.9 19799.2 19240.9 - - 18543.1 18675.0 18975.2 20195.4 20608.7 1977 - - 20115.8 19691.2 19502.4 19184.5 18793.3 18750.0 18764.7 19501.1 20014.1 20566.2 1978 20600.4 20498.8 20190.0 19804.7 19411.3 - 18850.9 18435.5 18772.3 19243.9 20078.1 20498.8 1979 20676.4 20502.0 - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 20599.6 20525.4 20232.8 19842.6 19318.6 18924.7 18680.0 18598.2 18746.8 19046.1 19663.1 20544.2 1990 20629.0 20519.6 20224.6 19956.5 19691.6 18949.4 19114.5 18630.6 18515.6 19285.0 19754.2 20335.2 1991 20489.4 20477.0 20237.1 19797.6 19382.9 19195.0 18852.5 18749.5 18758.3 19520.0 19953.8 20669.5 1992 20625.8 20516.8 20233.8 19871.5 19572.0 19410.5 18831.0 18601.1 18671.4 18901.9 19603.3 20307.0 1993 20545.6 20469.2 20198.1 19791.2 19388.5 18837.4 18788.6 18522.4 18767.0 19150.9 19621.7 20230.7 1994 20498.1 20419.1 20076.5 19817.9 19475.1 19341.7 18784.2 18573.7 18581.5 19143.7 20103.6 20378.7 1995 20536.5 20478.6 20157.7 19902.3 19326.4 18914.4 18805.5 18751.6 18782.3 18902.2 19711.6 20077.8 1996 20499.1 20445.7 20172.3 19844.3 19199.9 19150.2 18881.5 18853.9 19152.4 18880.5 19493.9 20338.5 1997 20601.9 20507.4 20158.1 19816.4 19395.7 18963.4 18651.5 18826.5 18889.3 18872.0 20154.9 20363.8 1998 20521.1 20393.6 20160.3 19712.1 19335.8 19129.0 18705.9 18514.9 18720.0 18917.6 19364.9 19922.3 1999 20421.4 20399.0 20157.0 19631.3 19350.8 19097.8 18649.0 18626.5 18863.2 18919.5 19360.2 19666.7 2000 20368.4 20389.8 20072.2 19820.4 19261.7 19032.8 18714.3 18644.4 18956.6 19232.4 19678.4 20539.8 2001 20588.7 20484.1 20214.4 19771.7 19461.9 19134.7 18723.7 18495.1 18585.1 18767.8 19105.2 20124.4 2002 20541.2 20411.6 20279.4 19939.1 19742.1 19355.7 18956.2 18764.1 19201.3 19894.8 20139.5 20473.9 2003 20575.9 20498.1 20242.3 19774.6 19313.2 19047.2 18646.5 18595.3 18691.0 18798.6 19767.1 20446.6 2004 20577.0 20505.3 20161.5 19873.1 19408.1 18991.9 18476.9 18621.9 18791.6 19094.9 19672.6 20465.3 2005 20540.4 20451.9 20239.2 19688.8 19572.2 19151.4 - - 18823.5 19191.8 19530.6 20519.8 2006 20530.2 20386.9 20175.4 19857.7 19304.0 18823.4 18571.0 18708.1 18617.3 18669.3 19209.3 19983.5 2007 20439.8 20408.9 20216.8 19894.3 19414.2 19189.0 18792.2 18666.0 18761.3 18986.7 19626.4 20079.3 2008 20435.7 20365.1 20219.8 - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -