Gough 00Z 300hPa height 1969 - - - - - - - - - - - - 1970 9438.7 9416.2 - 9373.6 - - - - - 9178.0 9304.8 9285.7 1971 9367.8 - 9363.8 9194.5 9109.6 9185.9 - - - 9123.5 9228.1 - 1972 - - - - - - - - 9179.5 - - - 1973 - 9422.0 9409.2 9360.0 9266.1 - 9172.0 - - 9209.1 - - 1974 - 9392.5 9384.0 9216.4 9129.3 - 9059.0 9026.7 9136.9 - 9218.3 9350.9 1975 - 9463.1 9393.6 9321.2 9110.0 9072.7 9061.2 9133.8 9110.0 - 9270.0 9431.9 1976 9340.0 9515.6 - - 9277.3 9154.2 9149.3 9226.0 9153.3 9288.6 9315.2 9271.2 1977 9384.7 9388.7 9486.9 9231.4 9311.3 9180.4 9069.0 9095.2 9240.0 9168.1 9296.9 9261.3 1978 9414.8 9498.9 9364.7 9374.1 9223.8 9116.2 9198.4 9190.7 9215.6 9220.7 9305.3 9303.8 1979 9445.2 9408.8 9364.0 9293.1 9272.6 9106.5 9159.0 9213.7 9237.0 9199.0 9293.3 9264.5 1980 9441.3 9468.5 9370.3 9369.2 9184.8 9256.7 9141.7 9117.3 9185.9 9233.0 9392.8 9312.8 1981 9450.6 9439.6 9443.5 9262.8 9182.1 9173.8 9064.3 9178.7 9075.9 9182.3 9322.3 9427.1 1982 9377.5 9477.6 9467.0 9380.0 9102.2 9078.9 9205.4 9127.0 9142.5 9225.7 9270.0 9219.0 1983 9313.2 9474.4 9515.5 9278.3 9149.7 9155.7 9195.4 9100.6 9039.3 9299.5 9326.8 9261.3 1984 9288.9 9388.2 9402.6 9286.7 9148.1 9135.2 9113.1 9112.6 9048.3 9252.5 9259.7 9323.4 1985 9332.9 9349.6 9417.3 9325.2 9239.2 9071.7 9081.4 9082.8 9092.0 9156.6 9167.3 9354.7 1986 9370.0 9423.8 9421.7 9281.7 9136.6 9154.3 9075.5 9171.7 9130.7 9107.1 9328.8 9392.3 1987 9322.3 9374.3 9380.3 9272.3 9143.0 9176.4 9167.9 9093.2 9158.9 9159.7 9256.9 9333.8 1988 9381.4 9424.6 9255.6 9373.8 9111.2 9093.5 9120.4 9106.8 9062.4 9230.3 9338.7 9375.8 1989 9371.0 9402.2 9321.0 9359.0 9138.0 9187.9 9109.3 9081.3 9052.0 9166.7 9330.3 9371.3 1990 9343.7 9386.4 9386.0 9259.0 9199.7 9282.0 9097.7 9191.4 9225.7 9242.8 9259.7 9338.7 1991 9429.3 9402.1 9476.5 9244.3 9202.6 9135.7 9149.0 9196.5 9152.0 9176.3 9295.5 9213.5 1992 9378.1 9325.7 9366.0 9179.3 9250.7 9153.8 9050.3 9163.5 9231.3 9209.2 9211.0 9321.6 1993 9302.0 9327.8 9319.7 9300.7 9194.1 9127.4 9013.7 9097.2 9044.3 9136.1 9236.9 9412.6 1994 9435.2 9414.1 9354.7 9286.9 9182.3 9172.3 9201.3 9207.4 9117.3 9186.5 9211.0 9252.9 1995 9325.8 9348.9 9403.1 9326.6 9242.3 9180.3 9171.9 8971.9 9138.7 9208.4 9293.3 9331.3 1996 9418.2 9365.2 9367.1 9268.3 9134.8 9046.4 9097.7 9022.6 9077.7 9243.7 9273.3 9332.6 1997 9426.7 9473.9 9423.7 9364.0 9210.0 9099.7 9131.9 9164.2 9047.7 9148.3 9166.9 9277.1 1998 9436.9 9438.6 9398.7 9247.2 9067.4 9033.7 9237.3 9101.5 9187.7 9267.0 9272.5 9398.7 1999 9389.3 9481.1 9319.3 9278.5 9219.0 9049.0 8949.0 9080.7 9127.9 9205.4 9258.4 9352.9 2000 9388.0 9413.4 9346.2 9301.0 9231.0 9085.5 9151.7 9135.2 9015.5 9235.6 9228.6 9401.9 2001 9390.4 9436.8 9347.9 9329.6 9118.3 9096.2 9118.3 9182.6 9179.6 9245.5 9304.7 9368.1 2002 9378.9 - 9298.3 9199.3 9196.6 9209.6 9106.7 9147.1 9150.0 9122.0 9298.5 9287.6 2003 9362.3 9341.4 9381.7 9196.8 9163.5 9152.1 9126.6 9153.4 9143.2 9227.5 9302.4 9369.0 2004 9431.9 9401.1 9395.8 9272.4 9219.0 9112.9 9264.7 9148.0 9186.2 9268.7 9203.7 9269.0 2005 9407.7 9453.9 9376.8 9319.0 9210.6 9190.0 9091.6 9104.3 9189.3 9126.6 9247.3 9414.3 2006 - 9324.3 9437.7 9411.7 9262.6 9161.1 9028.8 9082.4 9191.7 9220.6 9289.3 9323.9 2007 9373.2 9460.0 9397.0 9278.6 9209.0 9045.3 9122.3 9082.6 9018.8 - - - 2008 9475.6 9423.0 9419.1 9294.8 9101.7 9086.1 8993.7 9166.3 8997.6 9161.3 9296.2 9359.3 2009 9412.3 9489.2 9378.7 9347.8 - - 9282.2 9016.3 9177.9 9268.5 9195.0 9310.0 2010 9418.3 9429.3 9415.4 9341.8 - - - 9081.8 9164.6 9220.5 9317.0 9400.4 2011 9436.4 9405.4 9352.3 9405.9 9238.3 9142.1 9232.5 9006.2 9111.9 9185.2 9337.2 9353.4 2012 9364.7 - - - - - - - - 9316.2 9243.8 9291.3 2013 - - 9401.3 9271.2 - - - - 9193.0 9305.6 9277.2 9350.8 2014 9394.6 9412.7 9494.5 9347.4 9085.0 9182.4 9198.8 - 9088.9 9236.4 9383.8 9425.8 2015 9384.0 9447.6 9382.5 9306.3 9158.4 9202.0 9299.2 - - 9125.5 9317.7 9328.4 2016 9439.6 9420.4 9429.0 9269.2 - 9065.9 9119.3 9047.1 9205.0 9165.0 9296.1 9250.7 2017 9447.6 9442.2 9361.2 9341.0 9211.0 9146.0 9127.3 9209.6 9193.6 9276.7 9296.5 9377.6 2018 9451.2 9448.8 9426.6 9257.5 9167.1 9050.0 9060.4 9236.7 9112.4 9174.0 9300.0 9298.2 2019 9456.5 9463.2 9421.2 9268.3 9161.5 8976.8 - - - - - - 2020 - - - - - - - - - 9154.2 9277.5 9428.7 2021 9400.5 9497.8 9335.7 9260.0 9193.6 9106.7 9120.4 9098.8 9138.2 9200.0 9188.0 9418.0 2022 9342.5 9411.3 9406.7 - - - - - - 9258.0 9321.0 - 2023 - - - - - - - - - 9258.9 9195.3 9376.5 2024 9445.3 9407.9 9390.6 9379.2 - - - - - - - -