MPA 12Z 30hPa height 1987 - - - - - - - - - - - 23789.5 1988 24065.3 24066.2 23891.1 23657.6 23484.1 23111.2 22947.6 22854.7 23305.0 23186.8 23727.9 24021.0 1989 24080.4 24031.4 23872.1 23590.0 23448.1 23212.5 23319.7 23190.8 23214.6 23156.6 23928.4 23937.2 1990 - 24047.1 23908.6 23626.5 23363.6 23133.3 23149.4 23161.0 23107.5 23533.2 23524.2 23721.4 1991 24027.4 23994.0 23856.7 23623.2 23331.2 23075.2 23099.6 23007.5 22960.0 23006.7 23883.8 24028.0 1992 24113.1 24011.2 23893.8 23740.0 23358.8 23034.6 23176.3 23092.6 23049.2 23535.2 24000.5 23944.6 1993 23994.1 24014.4 23829.2 23607.9 23502.3 23318.4 23215.0 23095.7 23386.7 23279.0 23626.5 23971.2 1994 24002.6 23981.6 23826.9 23534.7 23105.0 23172.9 23062.3 23123.6 23061.9 23189.1 23489.1 24073.9 1995 24083.2 24013.5 - 23695.6 23432.1 23126.6 22732.1 22916.7 - 23447.1 23493.7 23965.0 1996 24007.8 23958.0 23805.7 23602.5 23363.2 23094.2 23207.6 23056.5 23237.8 23554.6 23576.2 23684.1 1997 24013.5 23992.6 23868.0 23608.7 23432.3 23139.0 23004.0 23034.5 - - - - 1998 23973.1 23961.4 23806.3 23678.8 23293.5 23115.4 22948.9 22943.3 22936.7 23197.7 23829.2 23818.1 1999 23948.1 23927.8 23766.5 23603.5 23490.0 23043.8 22948.1 23099.4 23085.7 23287.0 23746.2 23904.8 2000 23911.2 23931.8 23819.2 23551.8 23426.4 23121.9 22890.4 22988.5 22870.4 23007.7 23922.9 23846.0 2001 23978.1 23925.3 23758.9 23563.3 23323.4 22957.2 23065.9 22963.9 23250.7 23363.0 23914.6 23896.2 2002 23930.9 23990.0 23772.4 23655.2 23242.7 23070.0 23263.2 23024.6 23280.0 23579.2 23628.8 23909.6 2003 23949.5 23990.8 23827.5 23591.2 23461.8 23138.1 23040.7 23018.3 22920.7 23411.9 23738.6 23872.4 2004 23991.2 23951.4 23810.4 23591.5 23358.1 23197.2 23036.9 22977.2 22927.4 23558.1 23769.5 23806.2 2005 23988.0 23985.0 23776.5 23535.2 23310.4 22983.5 23092.6 23140.4 23083.7 23372.7 23708.4 23917.5 2006 23988.0 23943.5 23835.2 23637.8 23411.1 23300.4 23043.3 22895.9 23136.0 23525.2 23807.2 23881.2 2007 23978.9 23915.2 23733.8 23449.2 23327.5 22984.8 23110.7 23104.2 23001.4 23271.9 23742.2 23978.6 2008 23956.8 23941.0 23810.7 23503.7 23250.5 23316.2 23124.6 22914.6 23170.4 23198.3 23739.5 23866.2 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -