Mcmurdo 12Z 200hPa height 1956 - - - - - - - 10509.8 10619.7 10530.9 - - 1957 - - - 10829.7 10831.3 10710.9 10528.9 10568.3 10559.3 10724.9 11040.8 11250.8 1958 - - 11051.7 10960.2 10775.7 10641.8 10555.2 10506.2 10364.8 10588.2 10810.0 11007.1 1959 11210.0 11156.3 10970.1 - 10769.5 10626.9 10603.5 10613.6 10414.2 10535.0 10730.1 11066.3 1960 11190.7 11143.5 - - - - - - - - - - 1961 11195.1 11177.1 10993.5 10905.1 10762.2 10726.5 10540.3 10455.1 10637.5 10626.4 10805.9 - 1962 11073.1 11145.4 11016.3 10763.5 10629.4 10621.7 10440.9 10560.1 10620.0 10655.0 11011.2 11110.7 1963 11230.5 11147.4 - - - - - - - 10561.9 10796.6 11108.3 1964 11259.5 11090.5 - - - - - - - 10625.5 11020.3 11217.9 1965 11237.4 11298.5 - - - - - - - 10638.4 10854.8 11204.8 1966 11171.0 11179.0 - - - - - - - 10522.4 10878.4 11206.7 1967 11333.3 11224.0 - - - - - - - 10596.3 11016.0 11229.2 1968 11247.3 11212.4 - - - - - - - 10707.7 11051.8 11175.4 1969 11335.4 11154.9 - - - - - - - 10587.0 10790.5 11116.8 1970 11231.0 11132.6 - - - - - - - 10744.6 10813.5 11172.7 1971 11268.9 11149.5 - - - - - - - 10739.2 10869.0 11175.9 1972 11381.0 11231.7 - - - - - - - 10542.3 10789.9 11163.1 1973 11282.4 11112.2 - - - - - - - 10608.9 10968.2 11068.5 1974 11318.5 11061.3 - - - - - - - 10681.4 11100.0 11302.9 1975 11325.2 11188.0 - - - - - - - 10545.7 10952.6 11230.2 1976 11374.6 11211.0 - - - - - - - 10511.4 10986.2 11303.4 1977 11369.2 11171.2 - - - - - - - 10585.3 10864.6 11232.1 1978 11201.7 11220.8 - - - - - - - 10615.0 10922.6 11097.0 1979 11198.5 - - - 10608.3 - - - - - 10890.1 11292.6 1980 11341.0 11238.3 - - - - - - - 10544.0 10941.6 11163.9 1981 11184.8 11206.5 - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - 10790.0 11178.7 1984 11371.8 11250.9 - - - - - - - 10666.4 10916.2 11206.1 1985 11341.0 11176.2 - - - - - - - 10580.7 10749.4 10928.2 1986 - 11252.5 - - - - - - - - 10925.6 11097.0 1987 11314.4 11185.6 - - - - - - - 10661.8 10794.2 11124.1 1988 11241.9 11133.6 - - - - - - - 10831.0 10961.5 11185.3 1989 11198.9 11191.9 - - - - - - - 10675.8 10797.1 11259.4 1990 11251.2 11102.0 - - - - - - 10520.0 10710.6 - 11309.8 1991 11320.0 11260.5 - - - - - - - 10747.1 11141.0 11325.2 1992 - 11231.6 - - - - - - - 10664.0 10892.1 11106.3 1993 11337.5 - - - - - - - - 10548.7 10863.2 11067.1 1994 11184.2 11066.7 10900.0 10876.9 - - - - - - 11017.6 11058.3 1995 11158.2 11147.3 - - - - - - - 10649.0 10794.5 10981.0 1996 11143.5 11140.7 - - - - - - 10636.7 10562.9 10945.6 11144.8 1997 11217.9 11175.0 - - - - - - - 10676.0 11042.6 11111.7 1998 11188.4 11176.1 - - - - - - - 10856.5 10882.5 11030.4 1999 11127.9 11160.0 - - - - - - - 10575.4 10754.4 10942.3 2000 11022.8 11092.4 - - - - - - - 10699.2 10954.2 11221.1 2001 11253.8 11160.8 - - - - - 10584.4 - 10618.0 10768.6 11001.2 2002 11218.7 11076.8 - - - - - 10518.5 - 10880.2 11079.4 11113.2 2003 11326.1 11170.4 - - - - - - 10551.8 10621.6 10888.1 11255.8 2004 11243.7 11262.9 - - - - - 10542.1 - 10692.8 10913.0 11233.7 2005 11273.8 11128.3 - - - - - - - 10713.0 10934.9 11283.6 2006 11240.8 11158.0 - - - - - - - 10666.6 10851.0 11061.0 2007 11236.5 11183.6 - - - - - - - 10706.6 10847.5 10991.1 2008 11192.2 11046.3 - - - - - - 10545.1 10633.4 10819.4 11072.2 2009 11175.2 11178.3 - - - - - - - 10624.6 10888.7 11092.2 2010 11362.2 11234.0 - - - - - 10464.6 10665.6 10660.1 10764.4 11110.7 2011 11190.6 11113.8 - - - - - 10533.1 - 10656.4 10969.3 11047.9 2012 11132.0 11143.9 - - - - - 10612.7 - 10705.0 10997.9 11283.8 2013 11301.6 11072.2 - - - - - - - 10721.5 10810.7 11214.5 2014 11336.0 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - 10766.7 10809.2 11077.5 2018 11238.0 11086.7 - - - - - - - 10630.5 10822.1 11052.5 2019 11138.9 11144.1 - - - - - 10537.3 10504.4 10737.9 11112.0 11246.8 2020 11248.8 11210.0 - - - - - - - 10573.3 10732.2 10976.9 2021 - 11067.9 10976.2 - - - - 10618.7 - 10683.7 10733.0 10911.2 2022 11039.6 11152.2 - - - - 10575.0 10518.8 - 10677.1 10785.2 10956.2 2023 11065.4 11068.1 - - - - - 10475.6 10594.0 10573.5 10767.1 10955.2 2024 11083.8 11071.4 10983.6 10702.5 - - - - - - - -