Rothera 12Z 300hPa height 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - 8575.9 8529.4 - - - - - - - 2003 - - - 8718.1 8465.3 8453.6 8330.5 8392.4 8441.6 8502.7 8420.4 8580.2 2004 8586.5 8681.2 8582.3 8553.9 8553.5 8487.5 8383.9 8258.6 8274.3 8479.1 8467.3 8651.6 2005 8634.2 8563.5 8537.7 8512.9 8579.7 8483.5 8511.6 - 8527.1 - 8567.7 8574.7 2006 8645.1 8691.5 8464.7 8507.1 8364.3 8557.9 8435.9 8538.1 8409.0 8472.1 8484.1 8519.1 2007 8731.0 8633.1 8594.3 8541.8 - - - - 8437.0 8305.1 8524.0 8563.1 2008 8627.1 8606.1 8628.8 8465.2 8501.4 8486.2 8472.1 8417.3 8545.2 8421.4 8464.7 8449.2 2009 8565.6 8585.4 8585.3 8513.3 8446.8 8423.6 8477.6 8495.2 8354.6 8264.3 8462.5 8537.4 2010 8628.9 8740.2 8543.6 8425.9 8442.4 8327.9 8390.1 8395.4 8439.6 8391.4 8430.2 8500.7 2011 8609.7 8542.4 8628.3 8448.9 8433.4 8413.3 8501.6 8543.9 8433.4 8422.4 8518.4 8568.7 2012 8590.5 8529.7 8671.1 8577.7 8540.7 8303.5 8395.8 8341.8 8497.5 8383.4 8467.2 8666.4 2013 8671.6 8591.1 8655.5 8538.5 8446.8 8286.7 8357.5 8330.3 8381.8 8412.5 8359.3 8520.1 2014 8630.9 8601.8 8491.6 8659.5 8609.3 8497.2 8421.1 8519.8 8544.6 8407.3 8375.2 8517.9 2015 8667.9 8626.5 8564.6 8530.2 8595.2 8319.6 8270.3 8243.4 8298.9 8460.0 8444.4 8575.8 2016 8661.8 8620.7 8525.9 8473.6 8753.0 8487.6 8481.5 8384.8 8372.6 8564.2 8525.1 8603.3 2017 8594.9 8720.4 8811.4 8657.2 8491.2 8375.0 8326.4 8427.6 8132.4 8398.5 8539.1 8520.2 2018 8585.4 8609.8 - 8471.0 8430.9 8475.0 8458.2 8368.3 8352.7 8594.6 8369.7 8520.8 2019 8616.5 8712.1 8586.7 8506.8 8495.0 8532.1 8589.5 8541.0 8473.5 8425.0 8559.1 8670.4 2020 8701.8 8808.3 8550.0 8521.5 8634.3 8517.1 8555.9 8337.6 8396.7 8395.6 8402.5 8517.4 2021 8589.5 8641.5 8575.5 8484.0 8561.1 8526.7 8495.3 8277.1 8297.5 8332.6 8451.8 8476.9 2022 8647.6 8598.6 8601.7 8542.1 8596.9 8410.5 8424.7 8345.2 8381.2 8324.7 8378.7 8553.9 2023 8554.9 8617.6 8464.6 8488.2 8437.0 8510.0 8459.0 8297.6 8587.3 8379.3 8426.3 8569.0 2024 8566.1 8629.6 8628.0 8460.5 - - - - - - - -