Syowa 00Z 50hPa wind_speed 1968 - - 15.6 33.0 54.9 64.6 57.1 64.9 54.8 49.4 32.1 10.9 1969 10.9 7.1 22.2 34.1 58.6 55.7 57.2 79.2 70.2 63.7 41.3 9.8 1970 8.8 9.4 22.7 34.3 58.2 71.1 46.0 68.4 45.5 38.5 28.6 15.4 1971 9.5 9.1 26.3 30.6 60.3 70.1 65.5 70.8 71.4 56.0 40.2 10.2 1972 7.2 5.2 17.6 29.2 44.3 58.5 41.5 64.8 50.9 69.2 35.9 10.5 1973 6.7 13.6 24.8 41.2 45.7 58.3 65.5 66.2 80.9 52.8 28.4 10.9 1974 8.5 9.5 22.4 36.0 61.2 49.0 57.6 49.3 80.4 68.0 38.7 12.9 1975 10.0 7.6 17.5 34.2 43.3 49.6 51.6 69.7 63.8 68.3 52.7 10.2 1976 7.9 8.9 20.8 36.0 50.8 56.5 42.3 51.3 73.3 34.5 32.7 15.4 1977 12.2 7.3 21.4 38.8 51.2 55.5 43.0 58.6 77.4 85.4 31.3 8.6 1978 4.1 7.2 18.7 30.9 43.1 49.4 52.4 56.9 65.5 64.6 30.3 12.7 1979 3.9 8.3 21.3 30.9 50.9 59.5 60.6 65.6 53.2 91.4 49.5 10.2 1980 5.2 9.8 21.9 33.0 61.5 55.4 50.7 61.4 51.5 52.1 36.2 10.9 1981 7.7 9.2 16.6 33.5 54.8 55.3 55.9 54.4 65.8 73.8 36.2 9.7 1982 5.6 8.8 23.8 50.1 46.4 52.9 43.1 60.3 62.8 46.2 59.9 17.5 1983 5.3 8.5 23.2 37.5 52.8 53.5 53.8 55.1 71.9 58.9 41.9 6.0 1984 7.1 9.4 18.0 37.7 55.0 57.2 52.4 55.4 63.5 78.2 44.9 12.2 1985 5.5 9.3 22.1 41.9 54.0 44.2 65.8 52.3 54.0 53.3 59.3 12.2 1986 6.4 6.3 16.1 39.1 57.1 65.6 68.4 76.4 63.6 84.9 36.8 14.5 1987 6.7 6.7 19.7 39.5 50.4 50.2 60.4 51.5 55.7 61.4 66.6 26.4 1988 5.9 6.3 17.1 41.5 48.1 53.6 47.7 60.3 80.2 67.8 31.7 5.3 1989 3.1 9.9 23.6 38.3 59.0 54.6 46.4 39.7 54.6 54.4 34.1 17.5 1990 8.0 9.9 20.9 40.5 55.0 42.1 57.2 59.8 48.6 76.0 68.3 20.9 1991 7.9 5.6 24.9 29.4 51.1 60.7 47.5 49.8 52.4 99.8 27.3 10.9 1992 5.6 9.1 27.3 42.0 49.2 62.6 60.2 54.3 54.0 39.0 48.5 13.8 1993 9.5 10.8 17.6 43.8 53.3 54.9 67.2 62.7 73.0 80.3 54.9 10.3 1994 7.4 12.1 25.4 36.1 57.2 47.6 49.4 51.2 45.7 72.0 58.0 14.5 1995 3.8 7.3 21.3 39.1 56.2 47.8 33.7 69.9 75.6 54.1 60.3 27.2 1996 5.5 9.4 23.4 40.9 54.2 64.8 66.8 66.8 67.9 60.6 57.2 35.6 1997 6.9 11.1 21.3 37.1 58.2 42.5 55.3 64.1 91.2 52.0 78.2 10.2 1998 4.9 3.6 21.7 43.9 55.6 43.9 50.8 51.8 53.8 64.1 50.4 34.1 1999 8.2 9.2 19.8 41.8 57.5 52.2 60.2 67.2 68.2 62.0 47.4 29.5 2000 14.7 8.7 17.3 36.7 54.7 50.5 48.4 52.6 63.2 73.1 29.9 12.3 2001 3.9 7.6 22.9 45.2 47.1 57.7 56.5 46.1 48.2 44.6 40.8 32.5 2002 6.2 10.9 21.7 45.9 51.9 69.5 65.8 64.4 66.7 70.0 37.5 4.5 2003 5.8 6.8 18.7 44.0 54.1 55.4 54.4 60.5 45.2 40.6 52.1 14.9 2004 3.9 7.6 21.9 40.1 51.5 56.6 54.2 59.6 70.7 40.5 42.0 23.4 2005 9.8 9.9 21.1 41.4 60.6 54.5 57.0 62.0 49.2 65.5 31.1 13.8 2006 5.5 7.6 17.5 33.1 48.4 44.4 56.2 56.3 49.9 44.6 49.5 17.7 2007 11.3 9.9 20.5 35.1 37.5 57.6 43.3 57.2 50.6 44.5 65.8 25.7 2008 5.1 9.8 20.3 33.9 55.8 67.1 55.9 59.5 51.6 59.5 59.6 29.2 2009 10.3 9.7 17.3 37.0 52.9 63.3 50.6 61.2 63.7 44.6 75.1 20.8 2010 8.7 9.0 22.2 37.6 50.2 55.4 61.0 57.5 60.7 48.5 52.5 28.8 2011 10.4 12.1 20.5 39.2 54.0 55.5 45.6 66.9 50.9 81.9 34.6 29.7 2012 10.1 9.8 17.1 36.5 48.1 52.4 64.5 74.1 67.9 53.9 33.3 8.5 2013 7.2 13.7 27.8 40.9 58.7 46.3 59.6 63.9 64.2 60.6 33.9 13.0 2014 7.0 12.1 24.2 40.7 45.4 50.3 47.7 64.6 48.0 52.8 53.2 22.6 2015 6.7 13.2 24.7 43.3 59.4 54.1 62.9 55.7 74.8 45.0 62.0 24.4 2016 7.3 16.2 24.5 36.3 48.1 61.5 58.0 66.6 71.9 65.3 39.7 14.6 2017 6.9 11.4 17.5 47.1 46.8 59.8 54.7 63.6 80.2 62.6 44.3 10.2 2018 9.2 14.0 24.0 39.2 54.1 58.1 59.5 37.1 52.8 70.4 48.5 8.2 2019 7.4 9.5 24.6 42.3 58.8 67.8 61.1 52.4 79.9 62.6 37.3 5.1 2020 7.2 11.3 28.6 40.0 46.3 50.0 54.8 51.6 72.8 59.8 55.8 34.1 2021 9.8 9.9 23.4 37.2 43.3 58.8 53.5 55.9 49.5 57.0 50.1 34.3 2022 9.1 8.7 17.8 38.1 49.7 36.1 55.9 43.8 51.4 46.6 63.7 25.1 2023 8.3 9.7 24.8 27.7 55.3 55.7 51.9 78.0 70.3 55.9 49.6 39.3 2024 16.9 18.8 22.0 50.0 - - - - - - - -