Syowa 00Z 150hPa wind_speed 1968 - - 16.3 23.6 33.0 33.9 29.0 34.6 26.4 20.1 22.8 7.5 1969 8.3 11.3 20.2 24.8 26.1 28.7 28.7 36.0 36.7 30.0 26.6 11.5 1970 9.7 18.0 22.6 21.2 35.3 38.7 26.9 33.0 25.2 24.4 24.4 17.1 1971 14.9 14.1 29.3 23.0 27.2 35.0 31.0 35.2 32.9 32.9 29.8 9.9 1972 6.8 11.6 19.7 25.4 29.4 35.4 19.1 40.8 33.6 36.6 29.3 11.6 1973 9.4 22.4 23.0 26.2 22.8 30.2 39.3 35.8 33.1 22.2 15.1 19.0 1974 6.2 17.5 24.2 24.5 37.5 22.9 30.8 27.4 38.2 25.7 13.9 8.5 1975 6.9 15.0 20.3 26.8 30.1 29.0 30.5 32.0 30.9 35.0 30.7 16.3 1976 11.1 14.1 18.7 28.0 27.1 34.4 19.2 26.8 43.0 17.8 25.6 11.8 1977 10.5 12.8 22.6 30.9 29.4 27.4 27.3 27.4 42.9 50.1 21.3 9.2 1978 9.5 13.6 17.8 21.6 21.0 25.6 24.9 32.0 28.7 39.5 16.5 20.1 1979 9.8 13.5 27.1 19.7 29.3 36.6 37.8 38.5 21.0 41.4 30.8 6.5 1980 8.4 17.3 21.6 19.4 35.5 24.4 25.5 30.1 21.7 25.2 16.1 10.1 1981 12.1 19.2 12.3 25.5 32.4 31.4 33.9 28.8 29.0 38.7 28.6 19.3 1982 7.5 14.4 27.3 38.2 30.1 32.7 25.2 39.9 39.4 32.4 35.2 16.6 1983 7.4 13.2 22.5 23.3 27.3 26.9 28.2 26.9 33.4 29.9 31.6 9.0 1984 9.0 17.0 21.4 27.1 28.7 31.9 33.2 33.9 32.2 44.2 30.1 9.4 1985 8.2 15.5 25.9 31.2 29.9 23.0 42.2 23.8 32.8 23.8 38.1 14.6 1986 12.5 12.9 15.8 27.3 27.8 38.0 33.9 42.9 31.9 44.7 21.0 14.4 1987 11.6 13.4 18.4 27.1 34.1 21.3 31.2 29.5 28.7 32.3 31.3 12.3 1988 8.6 13.4 20.2 30.5 26.7 31.5 19.9 20.6 25.2 23.8 23.7 13.9 1989 10.6 17.1 24.2 24.6 38.6 34.7 23.9 18.6 25.4 24.7 23.3 15.9 1990 11.7 15.6 22.2 25.5 30.7 18.7 32.5 31.0 26.4 31.6 34.4 14.2 1991 11.3 12.3 21.8 15.3 30.2 34.0 20.7 25.5 25.6 35.4 18.4 14.9 1992 8.2 11.7 27.0 33.1 30.7 24.4 25.8 27.7 30.5 26.7 22.0 13.3 1993 9.4 20.7 21.3 32.8 34.6 34.0 39.9 37.9 36.0 40.7 24.2 17.6 1994 11.2 18.9 25.2 23.5 34.5 20.4 21.8 31.4 25.3 29.4 21.5 20.3 1995 12.0 14.0 23.1 24.3 32.9 25.1 17.0 39.3 33.7 32.2 24.0 25.7 1996 10.5 15.4 23.6 29.3 35.9 30.5 33.9 30.1 32.7 31.7 24.1 18.9 1997 7.4 17.0 16.7 27.2 33.7 30.8 32.5 32.5 50.0 25.3 42.1 11.9 1998 8.4 9.2 21.8 34.3 35.3 19.0 30.3 27.7 29.3 32.7 17.5 25.7 1999 17.5 18.6 21.3 29.5 32.4 27.7 27.5 39.9 31.6 30.8 26.0 18.2 2000 16.3 16.3 20.5 25.1 31.2 26.1 26.3 27.2 26.3 37.1 24.8 13.5 2001 9.9 14.0 17.9 36.3 24.7 34.9 33.6 27.9 23.2 31.2 21.3 25.2 2002 11.6 17.3 18.1 35.3 25.6 29.2 27.0 36.1 31.1 36.4 19.5 14.1 2003 8.6 11.9 16.5 31.9 41.8 26.3 32.2 34.4 22.6 27.1 26.3 15.2 2004 10.3 15.6 16.5 27.8 27.9 31.8 27.5 26.6 32.9 21.3 21.6 14.0 2005 10.8 16.4 23.3 32.2 33.7 25.7 31.7 32.5 26.5 31.6 22.9 8.6 2006 9.5 13.7 20.0 20.2 29.7 26.6 33.2 36.3 26.9 30.6 25.3 12.1 2007 14.8 17.5 23.8 23.7 18.8 34.5 22.2 29.3 24.9 28.0 31.3 17.1 2008 11.9 15.7 21.7 21.6 30.4 42.2 33.2 35.2 29.9 32.3 29.9 17.9 2009 22.8 15.8 19.5 27.2 39.2 39.0 28.2 32.7 28.9 30.7 43.1 14.4 2010 9.3 15.7 21.4 21.7 27.2 27.1 35.6 37.7 37.0 27.3 24.3 23.2 2011 17.4 21.8 22.1 29.7 33.0 31.9 23.1 38.4 33.5 40.0 19.2 22.9 2012 14.1 21.7 18.3 26.2 31.1 29.8 32.8 40.8 35.5 23.9 26.5 10.6 2013 9.6 19.7 26.6 26.2 36.9 26.9 31.2 30.3 25.2 21.9 30.5 12.7 2014 9.8 16.5 25.2 26.4 28.9 23.3 23.9 44.3 25.9 31.0 25.2 17.9 2015 13.2 20.3 24.1 29.5 34.1 25.4 35.9 34.6 52.2 28.8 26.8 16.4 2016 16.4 26.1 26.7 26.3 27.1 35.8 36.1 32.6 32.2 38.5 15.1 10.3 2017 11.9 - 19.1 39.6 35.5 37.8 35.1 37.4 37.4 - - - 2018 12.7 19.4 24.1 23.1 27.0 30.1 34.3 22.2 26.8 35.7 - 14.0 2019 15.8 - - 30.3 - 47.6 20.2 22.2 37.0 33.0 - 15.3 2020 - 14.2 - 30.6 24.1 30.4 29.6 20.7 35.7 33.8 25.4 - 2021 - 11.8 33.7 24.6 27.7 34.6 31.2 23.8 29.9 26.4 25.1 24.2 2022 17.9 13.1 19.5 27.8 29.6 19.6 - 21.6 31.8 24.6 33.1 - 2023 - 11.2 29.8 18.5 26.8 26.8 29.4 36.8 - 40.4 35.6 27.3 2024 24.6 27.0 20.5 38.1 - - - - - - - -