Syowa 00Z 300hPa wind_speed 1968 - - 29.9 31.3 34.8 33.1 27.9 31.2 26.6 26.0 25.7 24.2 1969 29.8 28.1 22.2 31.9 29.1 30.7 28.8 26.2 25.2 26.9 29.6 22.4 1970 23.4 29.2 29.7 34.4 37.3 31.2 28.5 32.4 18.1 26.5 30.9 24.7 1971 31.7 27.6 43.6 38.1 33.5 26.0 26.8 28.4 31.1 28.4 20.9 26.8 1972 21.1 23.2 24.5 31.2 36.2 38.3 23.3 44.1 39.9 34.6 25.7 35.8 1973 19.7 28.6 26.6 25.4 31.0 36.0 36.4 31.7 34.0 29.3 23.9 21.5 1974 17.8 22.5 31.0 32.6 39.1 24.5 29.2 28.6 32.7 23.8 22.8 22.3 1975 20.2 27.1 28.7 35.2 41.6 30.8 31.2 32.8 32.1 23.8 23.7 26.7 1976 26.5 18.2 24.8 29.8 28.9 36.4 25.1 23.7 34.8 20.4 29.9 33.4 1977 21.3 23.0 33.4 37.9 32.4 36.0 34.9 29.7 39.1 36.4 22.7 15.8 1978 15.8 30.1 29.5 24.5 27.4 24.6 21.1 28.1 26.8 33.6 19.9 23.4 1979 18.2 26.9 33.5 38.0 34.1 34.7 33.4 26.0 29.0 36.3 29.2 20.0 1980 22.3 31.3 30.3 24.6 37.8 22.3 25.3 29.1 27.5 26.6 21.9 21.5 1981 27.7 27.4 20.5 29.1 32.3 33.2 38.3 28.2 29.3 34.8 23.4 33.6 1982 20.3 29.2 25.2 33.5 35.2 25.4 27.5 35.1 36.9 28.0 28.0 26.2 1983 24.2 27.1 34.6 24.2 25.7 27.9 27.0 23.2 35.0 24.9 25.1 14.8 1984 17.7 26.5 32.4 32.5 34.6 28.6 34.4 30.0 25.8 33.3 24.7 25.3 1985 25.7 29.4 36.6 30.0 29.2 29.0 42.9 23.0 29.0 24.4 34.2 22.6 1986 28.8 24.8 30.0 24.8 33.2 37.1 29.9 42.2 27.1 34.0 27.4 21.0 1987 21.1 26.0 26.0 36.3 33.1 23.1 20.8 25.7 24.3 33.3 35.7 18.3 1988 26.6 35.2 31.1 33.7 35.5 34.4 21.1 23.5 24.9 25.2 20.0 20.3 1989 29.7 26.9 33.0 31.9 33.1 36.4 24.0 20.5 22.9 25.5 29.5 18.0 1990 22.7 22.5 26.1 29.8 32.2 18.2 40.5 25.6 25.6 24.4 22.3 22.6 1991 22.7 30.4 26.0 17.1 33.8 31.8 23.9 28.4 26.1 25.5 23.4 28.0 1992 18.2 23.5 31.6 41.1 38.0 38.7 25.8 26.2 27.7 31.5 18.4 25.5 1993 22.5 26.6 29.1 36.4 44.0 28.5 41.7 43.1 34.3 38.0 23.5 25.3 1994 20.2 27.8 34.0 35.0 32.7 29.0 29.7 33.5 22.8 26.9 23.6 22.6 1995 21.4 33.8 38.3 24.1 28.7 27.8 29.0 34.5 18.7 33.8 25.9 26.9 1996 20.6 27.7 27.2 33.0 34.8 27.9 30.1 24.6 29.5 27.2 19.5 24.3 1997 17.4 21.3 16.6 29.4 29.6 37.1 32.7 27.6 37.3 27.4 40.3 28.3 1998 22.5 19.8 25.4 38.4 39.6 26.2 29.5 25.2 36.4 35.2 26.4 27.9 1999 29.2 24.7 27.3 26.7 25.3 36.4 26.2 37.1 31.3 27.9 32.2 25.4 2000 18.8 31.3 29.9 30.4 33.2 32.1 28.0 31.8 21.3 28.4 32.0 20.7 2001 20.1 23.0 26.7 40.5 25.8 37.8 31.2 27.4 22.8 28.3 25.8 28.4 2002 18.5 25.4 26.5 38.6 35.1 29.0 34.2 29.5 29.5 26.8 19.9 25.4 2003 14.9 18.4 24.3 33.0 46.6 24.9 33.6 30.5 24.3 24.9 33.8 21.6 2004 26.6 33.0 28.0 35.8 26.0 36.9 21.9 24.7 26.6 29.0 20.8 17.5 2005 18.0 26.0 31.8 32.8 32.6 26.4 29.6 36.9 29.8 28.7 25.6 20.6 2006 20.0 29.4 28.3 26.9 32.8 35.1 33.1 40.5 30.8 31.7 28.5 26.4 2007 25.7 25.0 32.9 31.1 21.1 36.2 28.7 31.0 27.1 28.9 32.1 18.5 2008 24.5 22.5 36.6 36.6 36.6 41.2 34.8 30.8 34.7 28.3 27.5 25.7 2009 37.0 21.7 28.2 32.4 43.7 49.2 36.4 27.7 31.1 36.5 27.4 22.8 2010 23.2 27.6 28.1 25.0 29.3 22.8 32.8 35.3 36.4 27.7 24.4 31.1 2011 28.6 31.0 26.0 35.5 34.8 41.9 23.7 41.5 38.8 36.5 24.0 28.2 2012 21.8 37.3 27.4 31.3 38.6 36.5 28.6 37.1 39.0 29.9 27.2 21.1 2013 25.8 25.6 33.9 29.1 42.4 36.7 29.7 33.9 30.0 19.9 34.9 24.1 2014 23.5 28.6 30.9 28.6 41.5 27.3 28.0 39.5 26.7 29.1 21.3 27.8 2015 26.7 24.8 25.7 25.7 28.8 25.7 30.7 30.4 43.0 37.4 30.2 23.5 2016 29.7 46.8 39.0 36.0 34.3 34.3 32.6 32.5 29.6 39.5 25.8 29.4 2017 25.8 - 33.0 33.4 43.1 34.5 35.8 30.7 42.7 - 33.9 - 2018 39.4 25.0 36.0 24.3 31.4 27.9 28.4 32.8 32.2 29.9 - 14.9 2019 29.4 - - 27.9 39.6 32.7 25.3 21.7 39.0 34.6 - - 2020 - 16.5 - 50.8 28.8 35.4 36.9 29.3 36.8 27.2 30.5 - 2021 - 17.8 62.1 30.2 34.1 33.6 26.3 22.7 30.8 28.0 31.2 21.8 2022 31.1 31.8 28.7 37.8 40.2 35.3 21.5 25.0 34.4 29.4 29.4 - 2023 - 32.9 43.1 28.1 27.1 30.0 33.3 36.5 - 33.8 35.5 27.8 2024 29.1 41.5 32.2 38.1 - - - - - - - -