Davis 12Z 100hPa height 1971 - - - - - - - - - 15001.0 15584.4 15952.9 1972 16013.1 15892.3 15718.9 - - - - - - - - 15915.9 1973 15964.5 15864.4 15657.9 - - - - - - 14995.8 15382.1 15574.0 1974 15925.3 15876.9 15627.5 - - - - - - 15101.5 15635.7 15920.7 1975 16036.8 15906.9 15792.6 - - - - - - - 15418.6 15872.3 1976 - 15880.4 15694.0 - - - - - - 14814.7 15596.7 15993.7 1977 16009.3 15851.1 15637.7 - - - - - - 15171.5 15413.1 15845.7 1978 15805.5 - - - - - - - - - - - 1979 - - - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 - - 15670.0 15407.6 15034.8 14886.5 14708.0 14693.3 14731.2 14911.9 15285.2 15921.4 1990 15939.3 15877.1 15676.7 15534.3 15353.1 14930.4 15041.7 14618.2 14554.0 14993.5 15261.0 15710.7 1991 15810.3 15828.0 15700.0 15445.0 15199.5 15114.3 14942.4 14772.7 14757.6 14982.1 15310.9 15966.4 1992 15930.6 15888.3 15661.3 15410.5 15312.9 15203.6 14822.1 14633.8 14621.1 14826.7 15269.4 15597.0 1993 15905.3 15814.4 15607.4 15361.0 15080.7 14773.5 14799.4 14573.0 14682.8 14864.8 15181.2 15561.5 1994 15838.5 15740.0 15530.4 15399.2 15220.0 - 14843.7 14627.9 14654.6 14897.8 15573.3 15677.9 1995 15825.3 15834.7 15631.2 15506.5 15103.5 14897.8 14973.2 14713.7 14631.7 14871.0 15282.3 15502.5 1996 15819.2 15817.0 15633.4 15445.2 15001.2 15057.9 14820.3 14827.0 15031.2 14831.1 15231.6 15756.2 1997 15911.1 15851.6 15613.2 15425.1 15147.9 14955.4 14605.6 14712.0 14693.3 14832.4 15485.4 15753.7 1998 15828.5 15768.6 15596.2 15276.9 15072.5 14992.9 14770.9 14624.1 14749.2 14836.8 15077.7 15383.2 1999 15762.1 15788.8 15613.1 15248.0 15113.9 15064.2 14686.9 14635.7 14773.1 14770.7 15090.3 15227.8 2000 15732.3 15751.1 15545.9 15441.8 15064.4 15007.4 14751.5 14667.6 14840.4 14893.1 15317.0 15890.2 2001 15934.8 15894.3 15661.3 15314.3 15203.7 14987.2 14768.4 14582.2 14619.6 14764.6 14962.4 15542.6 2002 15860.0 15781.7 15720.3 15467.9 15414.6 15105.2 14880.2 14706.8 14952.2 15409.0 15517.2 15805.0 2003 15948.3 15882.0 15682.1 15346.4 15112.8 15030.9 14710.6 14646.2 14744.3 14777.0 15303.5 15788.9 2004 15913.0 15886.7 15632.5 15426.5 15206.6 14963.3 - 14619.4 14655.6 14959.4 15324.2 - 2005 - - - - - - - - - - 15192.7 15922.7 2006 15847.8 15757.9 - - - - - - - - 15217.3 15411.1 2007 15795.3 15768.7 15660.3 15499.4 15230.2 15084.8 14904.1 14734.5 14731.5 14898.4 15250.0 15527.5 2008 15760.5 15745.9 - - - - - - - - - 15627.6 2009 15777.5 15843.6 - - - - - - - - 15749.7 15695.3 2010 15928.6 15907.0 15643.4 15368.6 15085.7 14791.0 14586.7 14570.5 14734.8 14800.3 15101.7 15666.7 2011 15925.1 15819.5 15626.0 15456.1 15164.9 14978.9 14893.5 14715.2 14751.9 14913.0 15339.6 15394.3 2012 15727.3 15806.6 15635.6 15443.8 15125.4 14907.9 14678.4 14701.6 14743.2 15003.2 - 15912.7 2013 15946.6 - - - - - - - - - 15732.1 15887.9 2014 15889.6 15831.8 15655.3 15330.5 15257.3 14950.1 14697.4 14599.3 14770.2 14893.5 15348.7 15553.7 2015 15852.6 - 15519.4 15312.8 15140.3 14896.2 14684.7 14600.7 14595.0 14797.2 15190.6 15411.4 2016 15712.3 15777.4 - - - - - - - - 15611.2 15818.2 2017 15952.3 15866.1 15634.7 15301.8 15124.3 14863.3 14793.1 14649.4 14785.0 14989.3 15284.3 15830.7 2018 15909.6 15888.4 15665.8 15518.8 15090.7 15024.3 14743.5 14752.7 14593.0 14780.0 15109.6 15767.3 2019 15823.3 15896.7 15668.6 15452.1 15153.5 14912.1 14833.5 14717.0 14890.3 15325.5 15731.0 15885.2 2020 15981.3 15879.3 15641.6 15483.1 15203.4 14895.5 14830.3 14801.3 14748.1 14792.3 15085.3 15368.7 2021 15739.0 15755.4 15689.0 15403.3 15058.2 14874.6 14777.9 14653.3 14681.2 14849.6 15072.5 15391.8 2022 15833.5 15773.0 15615.7 15366.3 15151.6 15060.0 14701.3 14700.0 14598.9 14831.0 15036.4 15310.6 2023 15753.5 15784.2 15727.3 15461.8 15136.4 15001.4 14761.9 14681.2 14796.2 14842.0 15045.8 15611.0 2024 15712.7 15751.0 15574.8 15358.3 - - - - - - - -