Rothera 12Z 500hPa wind_speed 2002 - - - - 37.3 - - - - - - - 2003 - - - 35.3 33.7 24.0 - 39.9 33.4 29.3 24.3 26.7 2004 20.3 30.9 31.6 29.2 39.8 27.2 31.0 53.8 26.4 21.2 26.0 20.1 2005 16.0 33.8 31.1 28.3 29.9 34.5 32.8 - 19.8 - 25.9 31.2 2006 20.0 26.8 20.8 19.6 35.2 34.4 43.0 17.4 39.7 24.6 18.2 19.8 2007 27.4 22.6 31.6 23.9 - - - - 22.8 22.7 23.1 22.4 2008 22.7 22.2 26.0 22.4 - 32.3 29.3 37.8 26.2 25.4 22.0 26.2 2009 14.8 18.3 29.1 36.4 22.4 26.4 35.6 20.2 29.9 28.2 15.7 21.3 2010 18.3 27.1 27.6 25.8 32.1 40.4 39.9 31.6 28.3 32.6 36.7 18.2 2011 15.4 20.5 24.6 30.2 34.4 22.8 34.5 36.5 37.8 28.3 23.2 24.0 2012 23.2 24.9 27.6 20.5 30.8 33.4 25.5 31.2 39.2 27.0 19.9 19.1 2013 18.6 22.6 26.5 41.4 36.1 21.8 31.3 30.8 44.1 28.8 21.9 16.6 2014 20.6 33.2 16.8 38.7 28.3 27.9 44.2 37.8 30.4 25.1 18.6 19.6 2015 22.6 28.5 34.4 31.6 33.5 24.3 33.6 43.5 37.9 31.1 27.9 - 2016 30.6 28.7 32.6 42.1 41.5 26.2 35.9 36.4 46.0 30.2 21.5 15.3 2017 13.2 18.8 36.1 36.4 30.1 29.4 31.1 27.8 51.6 30.1 31.7 15.8 2018 21.9 19.9 - 28.9 34.0 31.6 37.0 30.9 29.7 29.1 23.8 24.5 2019 14.9 28.2 26.7 33.0 36.4 21.6 28.0 26.3 35.8 33.2 27.5 15.8 2020 20.1 29.8 25.1 34.4 34.1 29.1 29.7 29.1 26.3 30.0 38.2 28.0 2021 27.8 36.2 26.7 36.5 38.7 31.9 24.8 35.2 27.4 25.3 29.8 36.2 2022 27.4 24.4 26.5 31.6 33.7 32.8 36.0 30.6 31.8 28.5 30.9 24.8 2023 28.9 29.1 28.2 26.5 34.0 19.7 41.7 42.1 21.6 31.1 28.8 23.7 2024 15.4 26.9 28.4 42.2 - - - - - - - -