Syowa 18Z wind_speed 1957 - - 15.4 10.9 10.5 11.9 14.3 10.7 8.7 8.8 9.8 7.4 1958 8.9 - - - - - - - - - - - 1959 - 4.3 13.9 10.6 9.3 13.5 17.9 8.4 9.0 8.1 11.2 7.5 1960 12.1 6.6 10.8 14.6 10.0 12.7 13.2 10.4 6.9 12.5 7.3 7.9 1961 6.4 7.1 10.5 12.5 10.5 13.5 11.4 13.1 13.0 9.3 14.3 7.2 1962 10.2 - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 8.2 - 13.7 - - 12.5 - - 7.3 11.1 6.4 1967 4.5 5.5 11.4 20.5 16.3 15.5 11.1 10.3 7.0 8.7 10.2 8.2 1968 5.8 8.3 19.1 13.6 12.9 9.7 8.1 19.0 9.9 10.7 11.4 5.2 1969 5.5 5.5 15.1 15.1 19.6 14.6 11.1 11.1 9.1 6.3 6.7 4.3 1970 5.4 7.9 8.8 16.5 14.2 12.3 13.1 9.3 5.2 14.1 8.3 6.9 1971 7.0 11.0 15.2 11.9 7.9 8.6 11.0 16.1 9.6 13.2 13.5 2.2 1972 2.5 8.8 11.1 10.9 8.7 8.7 8.0 11.3 18.5 10.0 8.3 8.6 1973 3.6 9.2 11.1 22.8 19.4 16.3 13.2 12.0 8.0 11.8 7.5 8.2 1974 4.8 10.0 9.5 16.4 21.9 10.8 11.3 10.0 12.4 10.6 6.2 4.6 1975 4.0 11.2 13.7 15.4 12.8 17.2 9.3 9.0 10.7 10.7 7.3 5.1 1976 4.8 10.1 15.5 17.6 18.5 8.4 10.0 6.3 11.5 5.5 8.1 5.8 1977 3.6 7.1 17.1 14.6 13.9 13.5 14.7 8.0 16.2 11.0 8.4 5.7 1978 4.5 11.6 8.8 16.4 18.7 13.1 17.5 11.2 16.8 10.7 6.6 5.5 1979 4.5 8.9 11.9 21.7 16.8 12.5 10.1 10.8 8.9 8.2 10.3 3.1 1980 11.1 11.0 18.1 15.5 16.3 13.2 12.5 11.4 9.0 12.4 5.5 6.5 1981 4.8 12.3 14.3 18.3 19.5 13.6 17.0 11.4 8.8 15.8 12.5 13.5 1982 8.2 10.5 21.2 21.4 19.4 16.8 15.1 10.5 11.1 11.5 11.0 7.7 1983 5.0 13.4 14.5 13.7 16.8 15.7 14.0 14.6 14.3 11.9 13.1 8.1 1984 6.8 13.6 18.1 17.3 16.4 10.5 9.3 9.9 16.6 11.3 11.5 6.5 1985 8.1 12.2 14.0 22.9 16.3 13.2 18.0 9.7 13.1 10.9 13.8 11.9 1986 9.7 7.5 16.5 20.3 13.5 16.5 14.3 13.0 14.6 11.8 12.3 11.5 1987 9.0 11.0 17.3 21.2 10.9 19.0 8.4 9.5 8.0 11.9 17.8 7.6 1988 8.8 12.4 15.2 13.0 15.8 13.7 17.4 9.5 9.1 6.9 8.3 7.7 1989 9.7 14.5 15.8 14.1 6.8 11.3 10.8 12.6 7.0 12.7 11.9 7.0 1990 9.5 12.2 14.5 14.4 10.8 12.7 22.9 11.1 9.8 12.6 10.4 8.0 1991 13.1 10.8 11.2 10.1 20.5 14.0 16.5 11.3 14.0 8.4 8.6 8.4 1992 7.2 12.7 17.1 19.5 20.0 14.5 11.5 14.9 8.9 8.9 12.3 9.1 1993 8.0 10.7 18.7 11.6 11.4 8.7 11.8 13.2 7.3 11.9 9.8 12.4 1994 5.5 10.8 14.2 17.5 16.7 11.9 18.6 11.9 11.0 10.9 11.3 12.5 1995 8.3 10.3 14.4 17.7 12.0 8.4 13.6 6.5 8.3 11.7 7.0 7.7 1996 8.1 12.1 15.4 14.5 11.2 13.2 11.3 12.1 12.0 13.7 10.4 8.4 1997 6.0 9.4 10.1 24.1 11.7 14.8 8.3 10.3 8.0 7.8 6.8 6.7 1998 7.6 12.5 20.1 13.9 17.3 16.0 11.0 6.5 16.6 13.0 9.3 10.4 1999 13.7 11.3 13.9 18.6 14.8 17.1 11.7 10.2 9.8 11.5 10.1 8.3 2000 7.5 11.2 7.1 16.8 11.5 15.8 11.9 11.8 7.8 10.8 8.4 5.7 2001 7.6 11.0 11.3 17.4 14.9 9.0 12.9 10.5 12.7 10.3 11.8 9.7 2002 8.2 12.8 15.1 19.0 16.3 13.5 20.7 12.6 15.9 11.5 8.1 9.6 2003 6.2 9.4 14.8 15.5 14.0 19.1 16.3 14.3 13.5 10.4 9.7 6.9 2004 10.7 14.3 19.1 13.5 17.6 18.4 9.3 13.5 9.8 14.0 9.5 6.5 2005 5.6 15.4 14.0 18.4 20.0 14.0 17.8 13.5 14.2 12.6 6.5 6.4 2006 8.0 7.7 18.4 19.1 18.8 13.6 - 15.6 8.9 8.5 10.0 5.8 2007 5.2 11.2 15.0 16.5 - - 15.8 18.9 7.0 17.8 7.8 9.5 2008 10.1 10.7 15.5 16.7 9.8 14.2 16.5 11.4 13.9 7.7 11.4 11.5 2009 10.3 - - - - - - - - - - -