Halley 12Z 200hPa height 1957 - - - 11035.0 10761.6 10640.9 10576.2 10601.1 10718.9 10767.7 11064.5 11260.0 1958 11239.4 11257.4 11033.0 10925.0 10739.0 10696.2 10636.9 10496.0 10560.0 10693.9 10920.7 11027.7 1959 11212.3 11153.6 11088.6 10905.0 10862.6 10790.7 10554.6 10655.7 10554.8 10693.0 10691.0 11125.6 1960 11137.4 11164.2 10950.3 10903.7 10852.3 10735.7 10634.1 10578.5 10713.7 10750.0 10842.1 11093.9 1961 11275.5 11212.1 11038.4 10963.4 10857.5 10741.9 10631.3 10611.9 10726.0 10715.4 10910.3 10981.0 1962 11183.2 11118.1 11005.2 10902.4 10825.7 10791.7 10620.4 10620.4 10687.6 10736.2 10920.7 11077.5 1963 11241.4 11120.4 10990.0 10830.7 10846.8 10703.7 10639.2 10750.4 10695.9 10711.4 10863.7 11173.3 1964 11344.8 11226.5 11041.5 10884.7 10649.0 10872.5 10857.1 10562.1 10525.2 10679.3 11050.0 11160.3 1965 11271.0 11261.3 11044.2 10892.9 10892.4 10644.5 10668.4 10695.5 10671.5 10770.8 10856.1 11197.7 1966 11211.7 11274.8 11151.6 10909.6 10904.0 10732.0 10639.3 10514.2 10586.2 10705.5 10951.3 11163.2 1967 11329.3 11197.8 11071.6 10922.8 10847.3 10756.2 10599.6 10620.3 10652.8 10679.3 10847.2 11211.6 1968 11194.0 11233.1 11115.2 10985.3 10854.8 10652.6 10611.4 10552.7 10546.7 10849.0 11005.3 11202.9 1969 11290.6 11193.6 10988.2 10975.9 10799.7 10713.1 10579.0 10635.0 10687.7 10706.2 10848.9 11191.7 1970 11211.1 11158.8 11059.0 10924.4 10839.1 10711.6 10685.5 10580.9 10778.8 10813.1 10956.1 11177.3 1971 11297.3 11122.7 11071.6 11093.9 10847.9 10725.6 10644.6 10719.2 10635.0 10732.9 10928.2 11199.7 1972 11240.7 11206.5 11078.4 10953.9 10880.0 10703.9 10764.1 10715.9 10676.2 10757.9 10950.7 11189.6 1973 11264.8 11135.0 10999.4 10840.3 10819.3 10748.7 10634.8 10628.1 10648.6 10832.8 10951.4 11115.8 1974 11256.0 11146.9 11060.7 10938.3 10753.5 10813.1 10597.7 10732.2 10571.4 10764.7 10992.1 11236.7 1975 11277.7 11236.2 11060.4 10845.7 10825.9 10646.2 10689.0 - - - - 11228.0 1976 11272.0 11211.5 11091.9 10966.2 10764.7 10770.0 10640.5 10495.3 10580.4 10648.6 10981.8 11343.1 1977 11292.5 11148.2 11060.9 11026.4 - 10841.0 10623.3 10683.3 10514.1 10698.0 10941.9 11089.5 1978 11232.0 11143.6 11089.2 11087.1 10955.6 10775.0 10661.9 10565.0 10635.6 10798.2 10962.0 11143.7 1979 11296.2 11179.6 11097.2 10948.4 10769.0 10682.4 10520.3 10564.8 10681.8 10717.1 10943.1 11261.7 1980 11252.7 11279.0 11071.8 10931.7 10817.6 10724.6 10629.3 10640.0 10717.1 10741.4 10942.9 11205.6 1981 - 11198.9 11172.7 10953.6 10837.6 10680.5 10697.9 - - - - - 1982 - - 11010.7 10839.2 10847.1 10773.8 10577.5 10557.6 10596.4 10752.9 10942.7 11195.6 1983 11255.0 11205.6 11047.6 11001.0 10988.0 10755.3 10640.5 10635.8 10679.5 10698.4 10904.5 11160.5 1984 - 11192.2 11071.8 10951.1 10901.5 10672.5 10717.3 10710.4 10723.8 10726.8 10916.5 11325.6 1985 11336.6 11205.9 11125.0 10985.7 10840.3 10775.8 10583.9 10715.6 10671.9 10782.7 10813.3 11138.4 1986 11288.4 11348.5 11165.5 10990.7 10795.5 10752.3 10721.8 10565.9 10537.6 10683.7 10900.1 11100.7 1987 11302.1 11387.5 11064.2 10969.3 10890.3 10774.1 10696.3 10540.7 10648.6 10724.1 10840.0 11174.5 1988 11303.7 11176.8 11126.1 10940.4 10874.8 10808.6 10611.7 10765.9 10835.4 10931.0 10958.3 11217.7 1989 11322.6 11194.2 11139.7 10895.4 10729.3 10749.6 10707.4 10780.3 10748.3 10749.7 10957.9 11129.7 1990 11277.0 11173.0 11125.7 11016.7 10944.2 10812.8 10738.5 10627.3 10673.2 10804.2 10923.9 11094.2 1991 11231.8 11274.4 11000.3 11027.3 10782.1 10731.6 10684.7 10642.9 10805.3 10755.1 10948.4 11329.3 1992 - 11207.7 10956.3 11006.8 10882.5 10764.3 10649.7 10530.3 10684.4 10863.3 10885.9 11188.5 1993 11286.4 11173.6 11047.3 10889.1 10773.5 10681.5 10649.5 10630.3 10604.8 10681.8 10985.9 11069.8 1994 11219.1 11131.9 11055.0 10939.7 10814.7 10846.2 10602.4 10577.8 10713.7 10616.7 10986.6 11146.5 1995 11246.5 11158.7 11078.6 10901.3 10772.6 10779.9 10670.9 10600.4 10607.6 10822.0 10862.8 11064.3 1996 11222.4 11256.5 11040.6 10953.6 10800.3 10722.1 10610.2 10807.0 10732.1 10752.4 10945.7 11131.6 1997 11302.7 11145.4 11018.3 10934.7 10748.7 10723.7 10598.5 10602.5 10553.2 10648.3 10935.4 11180.7 1998 11277.6 11245.2 11061.8 10844.3 10775.3 10797.6 10650.7 10635.1 10675.4 10718.2 10879.0 11073.9 1999 11265.3 11201.9 11125.6 10897.2 10886.4 10819.8 10673.4 10580.8 10681.1 10778.1 10948.2 10975.4 2000 11067.3 11179.3 11148.7 10904.7 10829.6 10774.5 10765.2 10604.0 10664.2 10728.9 10987.7 11165.3 2001 11204.2 11213.8 11025.2 10847.1 10918.3 10656.2 10643.2 10547.6 10725.9 10625.3 10844.8 10993.4 2002 11219.7 11134.6 11085.4 10988.4 10828.0 10668.2 10692.3 10677.4 10750.0 10815.3 10967.7 11184.2 2003 11297.8 11240.0 11078.4 10899.5 10767.8 10721.1 10626.2 10630.3 10702.3 10769.2 10884.3 11182.7 2004 11220.7 11147.4 11060.2 10961.1 10823.0 10687.9 10590.2 10503.3 10765.2 10841.0 10909.6 11144.8 2005 11298.1 11147.3 11104.9 10951.5 10794.9 10692.3 10617.6 10665.1 10719.4 10802.1 10927.5 11203.4 2006 11250.0 11133.3 11138.7 10940.6 10715.1 10799.3 10671.8 10630.8 10641.1 10737.0 10914.0 11059.0 2007 11276.2 11125.9 11056.3 10920.5 10912.0 10822.4 10755.2 10647.3 10729.5 10741.6 10905.8 11033.6 2008 11154.7 11113.8 11069.2 11026.1 10853.2 10678.7 10685.8 10583.9 10800.8 10672.9 10816.7 10932.0 2009 11115.9 11135.5 11100.0 10895.8 10880.9 10759.1 10713.2 10669.6 10664.0 10677.9 10905.7 11094.2 2010 11302.4 11234.9 11056.1 10861.0 10840.2 10750.9 10635.3 10663.6 10748.4 10776.2 10871.8 11088.6 2011 11261.8 11214.9 11142.1 10967.9 10838.5 10759.8 10729.4 10729.6 10681.6 10729.0 10922.9 10956.4 2012 11083.6 11195.1 11071.0 10991.6 10844.5 10692.3 10652.0 10609.7 10651.2 10707.6 10987.8 11258.9 2013 11271.6 11122.4 11056.3 10954.0 10761.3 10861.8 10673.0 10735.0 10801.1 10736.7 10892.9 11176.7 2014 11206.5 11133.3 11028.6 11018.5 10939.9 10768.9 10648.2 - - 10733.0 10820.9 11059.2 2015 11144.8 11147.2 11032.2 10922.4 10846.5 10675.6 10580.0 10536.1 10526.7 10768.0 10835.2 11102.0 2016 11148.5 11168.9 11017.1 10906.3 10778.6 10689.3 10619.5 10677.2 10616.3 10752.9 11044.4 11213.5 2017 11259.6 11222.4 - - - - - - - - - 11196.8 2018 11173.6 11102.2 - - - - - - - - - 11197.6 2019 11165.7 11135.0 - - - - - - - - - 11308.9 2020 11257.3 - - - - - - - - - - - 2021 - - - - - - - - - - - 10960.0 2022 11227.1 - - - - - - - - - - 11007.5 2023 11126.2 - - - - - - - - - - 11350.0 2024 11192.9 - - - - - - - - - - -