Marion 12Z 300hPa height 1966 - - - - - - - - - 8967.5 - - 1967 - - - - 9054.2 8949.1 8818.4 9098.9 - - 8939.7 - 1968 - - - - - - 8930.9 - 8903.2 - 8975.2 8940.7 1969 9049.6 - - - - 8982.2 - - - - - 8909.3 1970 9068.2 - - 8960.0 9021.1 9062.9 8887.3 8857.3 8897.6 8991.1 8886.7 9114.1 1971 - 9239.3 9300.5 - - 9043.8 9002.5 9018.1 8977.6 9039.6 8971.9 - 1972 - - - - - 9147.3 - - - - - - 1973 - 9307.5 9143.9 9227.7 8892.7 8948.3 9057.9 8904.7 8934.5 - - 9175.5 1974 9175.9 9281.4 9252.9 9141.7 9168.9 9082.5 9000.0 8948.6 9063.1 9008.2 8998.9 9048.5 1975 9082.1 9257.1 9222.3 9216.9 9061.8 9031.1 8835.9 8800.0 9026.7 9055.5 8973.3 9110.0 1976 9133.3 9275.2 9153.4 9088.6 9120.0 9008.6 8873.3 8907.1 9076.2 9034.5 8996.2 9006.9 1977 9088.1 9250.0 9225.7 9063.8 9060.4 8926.2 8955.5 8926.7 9006.4 9047.6 9002.3 9072.1 1978 9118.6 9090.0 9196.9 9181.9 8954.1 8948.6 9034.8 8882.4 8945.2 9012.9 8961.4 9140.3 1979 9144.4 9231.5 9217.1 9117.8 9022.0 9007.4 9033.2 8996.7 8846.7 8999.3 9001.4 9032.3 1980 9156.9 9224.8 9261.6 9086.7 9105.4 8934.2 8989.6 8977.5 8899.6 8950.7 8952.4 9069.7 1981 9107.0 9332.1 9176.8 9071.7 9164.0 8993.3 9000.0 8966.1 8990.8 9004.2 9070.0 9128.5 1982 9138.2 9194.4 9227.3 9226.1 9019.7 9073.0 8950.7 8990.0 9024.7 9030.6 9015.9 9033.9 1983 9076.0 9217.5 9150.6 9161.7 9088.8 8960.0 8924.5 8918.1 9007.0 9065.8 9166.4 9121.1 1984 9157.3 9260.3 9184.2 9138.6 8987.2 8987.3 8939.0 8906.8 8941.5 9133.1 9071.7 8947.1 1985 9149.0 9238.5 9211.0 9222.4 9021.0 8988.3 9004.5 8929.0 8987.6 9057.2 9237.0 9103.8 1986 9155.2 9182.2 9116.5 9142.1 8955.5 8986.0 8995.9 9060.0 9023.0 9104.0 9089.3 9121.7 1987 9113.2 9208.1 9150.3 9119.3 9014.6 8956.7 9041.7 8928.7 8922.0 9063.1 9034.3 9022.2 1988 9119.6 9201.2 9166.8 9150.8 8941.9 8986.9 8801.3 8839.0 8875.0 8864.8 9045.0 9057.7 1989 9185.2 9303.1 9290.7 9064.4 9036.2 8907.8 8912.3 8881.0 8899.3 8988.6 9083.3 9136.3 1990 9224.5 9298.2 9241.7 9182.1 8918.7 8811.0 8929.6 8932.6 8970.4 8994.3 9063.1 9061.9 1991 9105.5 9194.6 9190.7 9084.0 9071.3 9061.3 8935.7 8882.3 8938.6 9074.8 8992.8 9139.0 1992 9078.7 9279.7 9270.3 9128.3 8861.3 8862.4 8835.2 8922.9 8867.0 8993.9 9065.8 8935.5 1993 9039.0 9300.4 9216.3 9157.3 8923.2 8978.6 8959.0 8957.7 8956.0 9040.0 9096.0 9042.9 1994 9105.8 9272.9 9253.3 9131.4 9078.4 8871.7 8894.5 8847.7 8937.0 8964.2 8942.0 9132.6 1995 9206.1 9156.4 9171.7 9022.1 9056.5 8887.7 8766.8 8987.1 9018.0 8971.0 8999.0 9203.5 1996 9121.3 9195.9 9190.3 9185.3 9127.1 8890.7 8959.7 8961.0 8915.3 9048.7 9042.7 9088.7 1997 9177.3 9236.4 9157.1 9156.3 9099.7 8937.9 8970.3 8899.0 9081.3 8982.2 9092.2 9062.7 1998 9097.5 9105.0 9173.2 9135.0 9089.4 8873.7 8913.9 8965.8 8867.2 9004.5 9075.0 9170.0 1999 9218.6 9138.8 9178.3 9117.0 9011.4 8929.3 8979.3 8976.7 8936.2 9066.0 9034.1 9107.3 2000 9172.7 9203.7 9158.0 9131.3 9016.6 9001.9 8938.9 8892.7 8813.1 9106.1 9147.9 8902.6 2001 9232.7 9258.9 9152.0 9189.4 9012.0 9010.3 8998.6 8889.0 8937.6 9018.3 9053.8 9081.0 2002 9201.1 9156.2 9160.0 9245.2 9006.0 8931.1 8910.0 9054.5 8927.4 8987.2 8995.2 9115.5 2003 9037.0 9198.2 9225.9 - - - - - - - 8985.3 9017.7 2004 9139.0 9208.1 9132.2 9148.4 8987.3 9068.3 8889.7 8854.7 9005.8 9015.5 8953.6 9120.7 2005 9091.9 - - 9138.4 9040.8 8892.0 8914.1 8875.5 8932.7 9087.7 9100.8 8835.9 2006 9063.7 9137.7 9108.5 9008.9 - - - - 8907.5 9064.3 8985.6 9003.2 2007 9091.0 9297.5 9243.0 9155.6 8855.0 9068.9 8839.6 8897.0 8887.9 9012.7 8967.0 9207.4 2008 9096.8 9172.2 9184.2 9018.3 9069.3 9080.9 8942.7 8895.0 8873.1 8930.7 9021.4 9042.3 2009 9158.0 9188.9 9180.4 9097.6 9143.9 9053.3 8917.0 9031.1 8848.3 9127.0 9144.7 8995.5 2010 9160.3 9222.1 9122.7 9001.2 8963.6 8984.1 8954.1 9013.9 8941.1 9005.7 - - 2011 - - - 9102.7 9073.0 8982.8 8891.2 9057.1 8805.8 8988.7 8931.4 9170.3 2012 9167.7 9101.1 9180.5 9144.5 8984.5 8889.2 8951.4 9106.4 - - - - 2013 9047.6 9192.0 9206.9 - - - - - - - - - 2014 - - - 8964.0 - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - 9098.3 8952.8 9001.1 8956.7 8925.0 9036.6 8912.7 8955.7 2017 9181.0 9178.8 9116.5 9260.8 9093.2 8814.5 8823.0 8908.6 8924.3 8982.3 9140.3 8993.6 2018 9235.0 9229.5 9128.3 9049.4 9047.2 8934.6 9041.4 8810.4 8913.5 9145.9 9100.7 9127.2 2019 9138.0 9164.3 9175.6 9150.8 9085.2 9008.8 8806.0 8803.5 8963.0 8943.1 8875.6 9100.6 2020 9126.4 9220.0 9181.8 9047.1 - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - 8977.5 8964.5 8871.7 9039.3 - 9066.7 9071.8 9216.0 2024 9323.3 9351.2 9321.4 - - - - - - - - -