Bellingshausen 00Z 200hPa height 1969 - - - - 11147.3 10983.3 11087.2 11051.7 11076.8 10978.9 11157.5 11338.5 1970 11458.0 11388.1 11344.8 11149.1 11149.6 11190.5 11091.1 11066.8 11160.8 11256.0 11352.4 11364.7 1971 11380.4 11356.9 11376.6 11345.7 11231.1 11181.0 11108.6 10973.8 11037.8 11145.2 11152.8 11281.0 1972 11393.4 11376.6 11324.2 11182.3 11150.6 11033.7 10969.7 11029.4 11023.3 11213.5 11236.6 11390.9 1973 11349.3 11373.6 11314.1 11135.2 11107.7 11043.1 11200.7 11016.7 10978.8 11221.4 11259.6 11313.2 1974 11380.3 11500.4 11353.3 11235.7 11196.6 11208.5 10989.2 10921.4 10958.3 11131.3 11230.0 11428.1 1975 11434.8 11410.0 11336.8 11295.7 11145.2 11136.0 10993.2 10956.5 11062.1 11158.3 11155.0 11275.5 1976 11338.4 11462.8 11331.0 11226.3 11060.6 11014.5 10793.3 10840.0 10924.0 11151.6 11223.7 11309.0 1977 11362.0 11334.8 11292.6 11169.7 11043.5 10989.7 11017.1 10923.9 10841.0 11019.0 11200.7 11349.4 1978 11397.4 11401.4 11445.8 11275.9 11356.5 10936.1 10949.0 10926.5 11108.7 11068.7 11253.3 11259.7 1979 11492.6 11395.0 11470.7 11251.0 11177.7 10995.0 11011.3 10880.3 10992.7 11008.4 11196.7 11370.0 1980 - 11450.0 11323.2 11194.0 11276.9 - 11035.0 10977.1 10988.3 11062.0 11063.7 11431.3 1981 11438.7 11364.6 11446.8 11351.0 11173.7 11091.1 11055.2 10900.7 11018.3 11057.0 11070.3 11295.8 1982 11475.2 11407.1 11318.4 11249.3 11301.0 11209.7 10928.7 11023.9 11036.7 11027.5 11217.7 11364.8 1983 11450.3 11348.5 11362.8 11374.1 11268.4 11058.1 11020.3 11058.3 11033.0 11022.0 11178.3 11299.0 1984 11409.0 11407.2 11442.3 11224.5 11182.4 11121.0 11131.0 11041.6 11159.3 11105.7 11254.7 11548.7 1985 11517.9 11432.5 11310.3 11264.1 11188.0 11274.0 11074.1 11011.0 11065.9 11208.4 11323.0 11339.3 1986 11399.0 11410.4 11339.4 11227.3 11103.0 10916.7 10967.1 10936.8 11026.7 11168.7 11164.0 11338.1 1987 11399.0 11469.6 11340.0 11237.2 11264.8 11037.0 10903.8 11132.6 10904.0 11105.7 11145.4 11359.7 1988 11422.0 11451.4 11373.0 11316.0 11309.4 11064.1 11105.7 11064.3 11115.0 11244.5 11263.0 11350.6 1989 11457.0 11450.5 11401.4 11214.6 11188.0 11128.1 11192.8 11176.0 11055.8 11023.8 11265.2 11332.4 1990 11438.9 11513.2 11379.6 11186.9 11250.7 10987.1 11063.3 10894.1 11095.6 10982.1 11035.4 11209.5 1991 - - 11298.6 11254.4 11073.3 10942.6 11073.9 10970.3 11136.4 11050.4 11206.3 11357.4 1992 11484.4 11357.1 11328.7 11330.4 11125.3 11096.5 11265.2 11148.3 11206.7 11175.5 11520.7 11588.9 1993 11368.9 11455.9 11323.7 11201.7 11187.1 11136.2 11056.9 11002.6 10987.2 11067.2 11139.0 11260.0 1994 11398.7 11384.8 11385.8 11255.3 11110.4 11063.1 10928.3 10981.6 10832.8 10940.7 11257.3 11392.3 1995 11475.5 11429.3 11320.0 11268.3 11369.3 11157.0 10970.7 11140.3 11157.3 11427.1 11309.0 11487.1 1996 11421.4 11415.5 11281.9 11253.0 11142.4 11087.6 11131.0 11062.3 11171.7 11106.1 11047.5 - 1997 - - - - - - - - - - 11262.3 11321.3 1998 11401.9 11521.8 11379.4 11352.3 11265.8 11222.7 10875.5 10906.5 10971.0 10985.8 11202.0 11218.7 1999 11396.1 - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -