Rothera 18Z wind_speed 1976 - - - - - - - - - - - 8.8 1977 10.5 13.1 8.4 14.1 19.3 8.4 9.5 14.0 12.2 16.7 11.3 12.0 1978 5.7 10.8 11.6 12.7 15.6 15.1 5.4 13.0 11.7 11.2 11.3 8.8 1979 9.8 8.9 12.1 13.1 7.1 8.6 11.8 13.2 13.3 12.2 10.3 7.6 1980 7.1 7.6 7.4 11.2 6.0 8.0 6.1 7.5 12.2 13.4 9.2 10.4 1981 11.4 10.1 10.3 11.3 9.2 10.8 12.5 13.2 11.9 11.9 17.0 12.3 1982 8.0 8.1 13.2 17.3 14.5 14.3 9.1 13.3 13.2 9.6 10.9 9.0 1983 8.5 9.6 9.3 12.3 14.9 13.5 15.1 17.5 11.0 13.2 16.1 10.6 1984 8.8 8.2 14.8 15.1 13.9 6.8 17.3 17.6 19.4 9.9 15.9 12.0 1985 13.2 11.1 10.6 15.1 8.6 12.2 19.8 15.9 19.5 19.5 11.5 10.6 1986 10.5 10.6 11.2 13.2 11.0 16.0 13.1 12.3 15.8 16.8 11.0 12.9 1987 8.7 11.5 14.2 13.4 12.3 8.4 8.6 15.1 15.8 12.6 16.8 10.9 1988 7.7 11.6 11.1 11.3 14.9 11.8 12.6 7.4 12.4 9.6 8.5 8.4 1989 9.2 11.4 12.9 9.3 19.4 15.3 17.9 12.1 15.1 14.0 10.3 6.8 1990 6.7 11.1 10.3 7.8 7.7 12.9 10.3 10.5 9.2 11.6 9.5 7.4 1991 9.5 10.0 7.5 8.6 10.5 10.3 13.4 19.9 11.1 15.5 14.9 7.1 1992 8.0 9.2 10.2 9.8 9.5 8.8 11.3 14.5 12.6 13.9 17.0 13.0 1993 7.8 8.5 13.4 15.6 14.1 12.0 13.3 14.6 13.1 13.0 14.4 8.8 1994 10.4 10.6 9.5 12.5 8.9 9.7 11.0 19.7 11.2 9.4 14.6 11.2 1995 15.4 11.9 11.9 13.7 14.5 9.1 14.2 10.7 15.7 16.1 13.4 12.1 1996 11.5 12.2 11.3 12.6 12.9 12.3 17.0 9.5 15.1 19.0 12.3 11.5 1997 9.6 9.4 12.4 12.1 12.2 9.4 6.2 13.2 11.2 12.9 9.9 8.5 1998 7.0 12.5 14.7 17.2 12.4 15.3 15.9 15.2 19.0 14.0 12.0 12.2 1999 12.5 10.8 14.8 21.1 19.3 12.7 - - 12.4 14.8 13.3 9.7 2000 8.3 10.0 11.6 14.2 12.8 12.4 14.4 11.1 11.4 15.1 12.6 12.8 2001 8.5 12.5 14.3 10.5 12.8 10.7 11.3 20.4 18.8 16.2 14.6 15.4 2002 8.8 17.6 10.0 13.2 8.1 8.5 13.6 12.0 10.1 11.0 9.0 13.1 2003 8.7 13.1 14.6 9.4 12.3 8.4 18.5 14.7 17.6 14.0 12.0 9.2 2004 10.8 12.3 13.2 11.7 16.2 8.8 13.5 18.3 15.1 14.7 15.5 10.1 2005 9.2 13.7 14.7 12.4 12.0 8.4 12.7 - 10.3 15.1 7.9 12.4 2006 9.1 9.6 12.1 13.2 17.0 14.3 11.8 6.1 12.5 14.6 9.6 9.3 2007 10.3 8.7 10.9 12.1 11.6 10.5 13.2 14.1 18.9 14.6 10.1 11.4 2008 10.6 11.5 14.5 11.4 16.0 14.8 11.8 14.9 20.5 15.1 14.8 11.2 2009 9.3 10.1 14.0 8.9 14.7 11.4 7.8 12.3 12.3 16.6 11.2 12.4 2010 8.7 9.9 12.5 13.8 15.3 18.4 14.2 15.0 18.8 20.1 19.3 10.8 2011 8.5 11.7 9.0 10.3 15.5 11.9 10.7 11.3 14.0 16.2 12.5 12.0 2012 10.6 12.5 9.9 12.2 12.4 14.3 12.7 16.0 14.6 9.1 11.9 6.7 2013 9.9 9.2 13.2 16.0 13.1 11.9 13.1 16.5 17.4 12.6 13.0 7.8 2014 7.0 13.8 13.0 15.2 16.0 15.6 16.4 11.7 12.0 17.7 12.4 9.3 2015 10.5 11.5 14.0 14.8 9.8 10.2 13.6 19.7 12.3 15.5 15.4 10.7 2016 9.9 14.5 13.6 11.6 12.0 15.3 14.2 11.8 21.0 - 12.0 6.6 2017 9.5 7.8 12.6 8.6 14.5 15.4 13.4 18.9 16.3 14.0 15.8 10.9 2018 9.7 9.6 13.5 15.0 13.8 14.6 15.4 16.3 13.4 12.9 12.9 11.3 2019 7.6 12.8 12.0 14.2 12.2 11.4 8.8 9.2 11.4 16.1 12.2 9.4 2020 9.7 11.4 12.6 14.9 11.5 9.9 8.6 14.8 9.5 14.9 17.7 13.0 2021 13.3 14.3 13.2 13.4 17.0 14.1 12.6 15.5 18.3 17.0 15.3 16.4 2022 11.1 12.8 12.4 11.6 15.7 14.2 13.4 18.0 17.6 14.0 15.7 9.5 2023 12.3 11.8 13.7 14.4 13.0 9.9 15.2 14.1 10.2 12.7 16.6 10.9 2024 9.9 12.4 12.2 15.5 - - - - - - - -