Casey 12Z 150hPa height 1957 - - - 12921.3 12819.4 12820.2 12502.7 12485.7 12412.5 12743.4 13143.9 13253.8 1958 13296.9 13117.4 13006.3 12876.1 - - 12559.6 12340.5 12351.9 12542.8 12812.2 13034.0 1959 13181.2 13221.6 13148.8 12944.8 12793.6 12623.2 12445.6 12411.9 12291.1 12551.9 12651.2 13176.9 1960 13146.6 13128.6 12903.9 12887.6 12781.0 12609.7 12465.7 12451.6 12364.4 12512.7 12912.3 13091.7 1961 13207.9 13268.7 13076.7 12926.7 12741.0 12725.0 - - - - 12896.2 13028.6 1962 13056.7 13090.4 12968.3 12826.2 12717.8 12662.3 12415.6 12373.8 12463.8 12602.1 12973.4 13077.1 1963 - - - - - - - - - - - - 1964 - 13135.0 12998.1 - - - - - 12462.3 12667.1 13063.9 13248.3 1965 13281.8 13267.1 13039.5 - - - - - - - - - 1966 13167.7 13276.5 13230.0 - - - - - - - - - 1967 - - - - - - - - - - - - 1968 - - - - - - - - - 12668.6 13092.4 13158.9 1969 13256.8 13199.3 - - - - - - - 12596.4 12828.8 13112.7 1970 13200.8 13096.4 13103.2 - - - - - - 12578.9 12967.4 13226.5 1971 13307.5 13241.7 12974.0 - - - - - - 12656.1 12981.6 13224.5 1972 13256.8 13172.1 13061.4 - - - - - - - 12878.3 13117.7 1973 13223.9 13146.7 12996.6 - - - - - - 12716.5 12941.1 13063.9 1974 13232.5 13174.7 12973.1 - - - - - - 12714.8 13065.9 13236.7 1975 13375.0 13202.5 13155.7 - - - - - - 12608.3 12855.2 13166.6 1976 13323.7 13180.0 13080.4 - - - - - - 12563.5 13070.5 13276.9 1977 13300.0 13140.4 12988.2 - - - - - - 12540.8 12841.9 - 1978 - - - - - - - - - - - - 1979 - - - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - 12748.4 12458.5 12542.7 12705.8 12814.6 12948.8 13132.9 1989 13256.8 13166.1 13018.0 12921.4 12618.3 12572.5 12462.4 12498.9 12512.1 12605.2 12789.3 13349.3 1990 13273.5 13214.8 13067.4 13037.0 12907.1 12654.4 12633.2 12419.4 12375.5 12630.3 12852.3 13179.3 1991 13133.3 13162.8 13063.0 12978.9 12776.8 12725.2 12685.7 12488.1 12479.4 12569.2 12963.6 13234.7 1992 13238.2 13216.1 13062.5 12858.6 12874.4 12853.7 12539.7 12491.0 12371.9 12583.3 12858.5 13020.6 1993 13183.6 13144.0 13031.0 12818.0 12609.2 12517.0 12440.1 12295.6 12416.8 12510.3 12797.7 12975.0 1994 13172.1 13082.1 12958.7 12814.6 12772.4 12894.2 12561.1 12388.2 12527.0 12588.8 13041.8 12963.6 1995 13146.1 13114.5 13043.5 12933.9 12700.3 12677.1 12793.1 12464.1 12402.8 12544.4 12967.2 13013.6 1996 13195.3 13153.2 13019.0 12928.5 12593.9 12747.1 12578.6 12563.1 12695.9 12516.3 12866.8 13140.7 1997 13200.0 13144.3 13028.2 12854.8 12764.2 12670.1 12386.7 12433.2 12448.0 12584.2 12961.7 13110.0 1998 13121.5 13110.4 12963.3 12759.3 12640.2 12648.8 12470.2 12486.8 12490.7 12548.5 12806.5 12894.7 1999 13054.0 13129.2 12999.3 12795.9 12659.2 12695.3 12457.5 12404.3 12466.5 12554.0 12771.1 12858.6 2000 13093.4 13080.2 12960.6 12905.7 12631.9 12655.9 12525.5 12472.8 12587.5 12547.5 12940.5 13185.5 2001 13232.5 13241.2 13057.5 12781.0 12813.5 12628.5 12529.6 12342.9 12377.9 12556.3 12717.3 13094.9 2002 13178.9 13150.1 13163.5 12915.8 12939.4 12736.9 12581.8 12473.6 12682.1 12897.1 12925.1 13179.6 2003 13276.0 13272.2 13073.0 12842.3 12711.1 12694.1 12456.9 12344.8 12512.1 12547.1 12849.5 13160.0 2004 13240.8 13143.1 13003.3 12874.7 12821.2 12585.1 - - - - - - 2005 - - - - - - - - - - - 13257.9 2006 13138.3 13089.4 13011.1 12957.2 12585.5 12506.4 12421.3 12494.3 12582.9 12479.3 12793.0 12952.0 2007 13165.6 13117.9 13056.7 12964.5 12854.4 12752.1 12647.5 12524.8 12549.8 12603.1 12882.6 12958.4 2008 13070.6 13113.0 13014.7 12965.1 12838.3 12537.3 12503.1 12414.4 12375.1 12517.7 12899.3 13025.3 2009 13093.9 13195.3 13053.5 12888.2 12776.5 12658.0 12650.5 12440.6 12553.9 12555.5 12967.8 13086.4 2010 13215.5 13203.0 13058.0 12875.4 12650.8 12540.3 12379.6 12353.7 12518.9 12508.9 12704.3 13157.6 2011 13217.5 13082.0 13065.2 13027.2 - - - - - - 12953.4 12872.4 2012 13102.1 13124.4 13018.1 12918.2 12727.7 12658.3 12374.8 12407.4 12463.4 12736.8 13041.1 13183.3 2013 13254.6 13154.5 12944.1 12826.3 12723.8 12657.7 12492.2 12477.8 12768.8 12692.2 12980.1 13169.8 2014 13200.8 13140.5 12994.9 12821.2 12834.2 12611.7 12467.3 12359.0 12543.4 12598.9 12959.6 12949.9 2015 13157.5 13109.6 12988.1 12822.3 12695.9 12622.5 12421.5 12450.0 12384.2 12458.9 12742.4 12953.0 2016 13083.2 13067.1 12923.5 12849.3 12740.6 12485.4 12462.7 12490.0 12423.7 12640.3 13028.7 13144.3 2017 13226.3 13187.8 13015.0 - - 12543.8 12525.2 12417.5 12488.5 12667.3 12806.6 13135.9 2018 13194.5 13155.9 13004.8 12980.3 12721.6 12652.7 12517.0 12487.4 12353.7 12479.6 12681.3 13008.7 2019 13083.2 13176.4 13011.7 12912.0 12764.4 12610.0 12594.2 12567.0 12595.9 12867.4 13145.2 13195.5 2020 13258.3 13214.3 12986.2 12974.0 12765.2 12595.2 12629.0 12622.1 12567.8 12563.5 12747.6 12914.0 2021 13083.1 13108.0 13047.2 12867.5 12661.4 12521.2 12510.4 12463.6 12452.5 12646.2 12653.4 12975.2 2022 13097.9 13127.9 12990.0 12850.4 12806.8 12785.4 12517.5 12485.5 12459.2 12630.8 12640.0 12863.5 2023 13066.8 13145.4 13072.1 12921.3 12636.1 12704.1 12432.0 12303.0 12560.4 12605.5 12733.6 13011.3 2024 13089.3 13035.9 12967.3 12834.0 - - - - - - - -