Amundsen_scott 12Z 200hPa height 1961 11163.6 11138.9 10932.2 10887.1 10785.4 10715.1 10486.4 10527.5 10663.0 10581.9 10800.4 10925.6 1962 11038.0 11043.4 10874.9 10736.1 10626.7 10689.4 10400.4 10452.9 10515.7 10559.9 10901.2 11052.2 1963 11153.6 - - - - - - - - - 10722.7 11073.3 1964 11200.2 - - - - - - - - - 10981.0 11123.7 1965 - - - - - - - - - - 10730.2 11108.5 1966 11125.2 - - - - - - - - - 10886.0 11154.7 1967 11297.9 11183.0 - - - - - - - - 10912.2 11183.3 1968 11157.9 11205.2 - - - - - - - - 10948.4 11130.8 1969 11256.2 11107.4 - - - - - - - 10685.5 10763.3 11038.7 1970 11185.5 11065.0 - - - - - - 10586.8 - 10771.0 11101.6 1971 11274.7 11122.0 - - - - - - - 10592.6 10841.4 11144.4 1972 11236.2 11159.9 - - - - - - - 10610.2 10787.0 11090.0 1973 11209.3 11030.2 - - - - - - - 10649.6 10916.8 10978.2 1974 11224.1 11040.7 - - - - - - - 10672.7 10971.2 11248.4 1975 11256.1 - - - - - - - - 10605.5 10850.5 11191.2 1976 11309.5 - - - - - - - - 10508.1 10867.7 11343.3 1977 11368.8 11160.4 - - - - - - - 10555.1 10769.8 11135.6 1978 11163.6 11165.4 - - - - - - - 10658.2 10916.0 11158.5 1979 11264.8 - - - - - - - - 10638.6 - - 1980 11297.5 - - - - - - - - 10665.7 11030.7 11210.4 1981 11238.7 11154.5 - - - - - - - 10683.0 10777.8 11124.5 1982 11227.8 - - - - - - - - 10576.3 10916.4 - 1983 11212.1 - - - - - - - - - 10800.0 11082.5 1984 11283.9 11158.6 - - - - - - - - 10852.1 11179.3 1985 11262.5 11072.2 - - - - - - - - 10687.3 10982.6 1986 11251.3 11236.6 - - - - - - - 10556.0 10808.8 11042.0 1987 11318.4 11131.8 - - - - - - - - 10801.9 11103.1 1988 11249.4 11090.1 - - - - - - - - 10908.6 11130.5 1989 11232.4 11146.3 - - - - - - - - 10879.8 11209.8 1990 11218.6 11091.2 - - - - - - - 10691.0 11107.8 11083.6 1991 11175.1 11229.9 - - - - - - - 10648.6 10892.9 11307.4 1992 11234.1 11166.2 - - - - - - - 10707.5 10788.4 11057.5 1993 11287.9 11101.2 - - - - - - - 10592.3 10844.1 11000.6 1994 11191.2 11024.7 - - - - - - - 10630.9 10909.5 11085.1 1995 11155.4 11090.0 - - - - - - - - 10887.6 11021.7 1996 11158.0 11178.2 - - - - - - - - 10969.4 11141.8 1997 11205.8 11114.0 - - - - - - - - 11024.8 11117.1 1998 11193.3 11190.2 - - - - - - - - 10791.4 11036.9 1999 11245.1 11137.9 - - - - - - - 10578.3 10788.1 10910.4 2000 11036.1 11134.6 - - - - - - - 10616.9 11008.3 11233.5 2001 11192.0 11209.6 - - - - - 10558.2 - 10570.3 10820.4 10990.6 2002 11191.7 11040.1 - - - - - 10494.8 - 10814.2 10980.1 11092.7 2003 11273.4 11182.4 - - - - - - 10604.5 10619.8 10826.4 11210.3 2004 11171.4 11111.7 - - - - - - - 10669.7 10788.7 11179.5 2005 11273.3 11102.6 - - - - - - - 10671.7 10834.4 11251.4 2006 11192.4 11092.2 - - - - - - - 10584.2 10835.4 10946.5 2007 11221.5 11065.5 - - - - - - - 10646.8 10845.9 10951.9 2008 11117.6 10999.2 - - - - - - 10622.4 10607.5 10750.9 10962.4 2009 11113.2 11081.6 - - - - - 10485.6 - 10633.6 10899.6 11057.9 2010 11278.4 11183.3 - - - - - 10527.5 10583.8 10650.5 10745.9 11082.7 2011 11191.7 11141.8 - - - - - 10757.3 - 10698.0 10996.3 10991.5 2012 11073.9 11109.3 - - - - - 10512.8 - 10665.4 10993.3 11252.5 2013 11261.3 11027.9 - - - - - - - 10721.9 10866.4 11199.0 2014 11221.4 11061.6 - - - - - - - 10680.9 10848.1 11011.9 2015 11173.5 11100.0 - - - - - 10401.8 - 10684.3 10787.0 11033.3 2016 11096.4 11054.8 - - - - - 10613.0 - 10655.7 11028.9 11207.5 2017 11268.7 11159.3 - - - - - - - 10806.4 10855.0 11031.4 2018 11238.3 11073.3 - - - - - - - - 10849.0 11120.0 2019 11150.0 11156.9 - - - - - - - 10690.6 11082.2 11240.5 2020 11219.4 11176.4 - - - - - - - - 10762.1 10941.8 2021 - 11052.2 10982.5 - - - - - - 10658.3 10761.2 10906.7 2022 11101.1 11151.0 - 10797.4 - 10754.2 - 10599.1 - 10720.0 10694.6 10940.5 2023 11033.3 11075.2 - - - - - 10462.5 10643.6 10612.4 10792.5 10965.2 2024 11071.3 11045.0 10911.2 - - - - - - - - -