Syowa 12Z temperature 1957 - - -4.5 -9.0 -14.5 -13.1 -17.6 -18.0 -19.2 -10.0 -5.0 0.4 1958 1.5 - - - - - - - - - - - 1959 - -3.1 -4.5 -9.3 -14.3 -13.3 -15.9 -19.1 -20.5 -10.8 -7.7 -0.4 1960 0.5 -3.1 -6.8 -9.5 -15.4 -19.9 -19.1 -18.3 -21.0 -12.2 -4.8 0.3 1961 -0.5 -0.3 -6.3 -10.6 -14.4 -13.6 -19.5 -18.3 -14.8 -9.5 -4.4 -0.9 1962 -0.5 - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - -2.3 -4.5 -10.6 -12.2 -18.1 -20.0 -20.5 -15.3 -13.8 -4.5 0.7 1967 1.8 -2.5 -6.2 -9.2 -11.9 -14.6 -16.5 -18.1 -17.8 -11.2 -3.5 0.2 1968 0.7 -1.9 -3.9 -8.5 -11.4 -15.8 -19.4 -16.3 -17.9 -11.1 -4.4 -0.7 1969 2.1 -0.4 -3.8 -7.7 -11.4 -11.6 -17.7 -21.7 -18.7 -10.6 -4.1 0.7 1970 0.6 -2.3 -4.3 -8.5 -15.1 -16.0 -18.5 -19.6 -19.3 -10.0 -4.2 0.6 1971 0.7 -0.9 -6.5 -10.2 -16.5 -18.6 -18.5 -19.4 -14.7 -11.2 -5.8 1.4 1972 1.6 -1.6 -6.7 -9.7 -16.2 -17.8 -20.3 -15.1 -13.3 -11.8 -4.9 -1.2 1973 0.7 -3.0 -6.8 -8.8 -11.1 -14.4 -20.0 -22.6 -16.5 -9.7 -4.3 -0.8 1974 0.1 -2.0 -7.6 -10.7 -12.3 -16.4 -16.8 -17.1 -16.7 -12.6 -3.6 0.7 1975 1.4 -2.4 -5.6 -11.7 -13.6 -15.4 -20.9 -21.9 -17.9 -12.3 -5.3 -1.0 1976 -0.2 -2.4 -5.9 -11.1 -14.7 -19.5 -21.4 -22.8 -20.5 -14.4 -5.1 1.7 1977 2.6 -2.0 -5.3 -10.7 -12.1 -16.1 -13.6 -15.5 -17.2 -14.0 -6.4 0.2 1978 -0.9 -2.8 -8.4 -10.7 -11.6 -16.9 -14.6 -21.2 -14.3 -12.4 -5.3 -0.1 1979 1.3 -2.0 -5.8 -8.5 -13.4 -18.2 -20.6 -19.1 -17.5 -13.0 -3.9 0.5 1980 1.5 -2.1 -3.6 -5.7 -10.0 -12.2 -13.4 -16.9 -14.5 -11.5 -2.3 0.8 1981 0.2 -1.5 -3.9 -8.3 -11.6 -14.7 -14.2 -15.7 -17.4 -14.4 -5.1 -0.6 1982 0.1 -2.4 -5.7 -9.2 -13.0 -14.9 -18.3 -22.0 -19.7 -14.0 -4.3 0.8 1983 2.2 -1.8 -6.1 -10.1 -12.0 -13.4 -16.2 -19.1 -13.8 -11.0 -6.9 -1.6 1984 1.6 -1.7 -5.3 -9.7 -11.5 -17.7 -21.7 -19.0 -15.7 -14.2 -5.9 1.2 1985 2.2 -1.1 -6.0 -6.6 -13.6 -13.7 -17.1 -21.4 -16.0 -11.9 -6.7 -0.9 1986 0.4 0.3 -3.8 -9.3 -14.7 -16.8 -18.6 -17.6 -13.8 -12.4 -4.6 0.0 1987 1.7 -1.0 -4.4 -7.5 -12.3 -11.9 -17.9 -21.4 -18.9 -12.4 -4.1 0.3 1988 1.3 -2.1 -3.9 -10.4 -10.9 -14.4 -16.3 -17.4 -14.9 -10.2 -5.7 -0.9 1989 0.4 -1.2 -5.6 -11.1 -20.9 -18.7 -18.8 -19.3 -21.6 -11.0 -5.0 0.8 1990 1.6 -2.4 -4.9 -10.6 -14.0 -16.9 -10.7 -21.2 -22.3 -10.0 -5.3 0.4 1991 0.1 -0.7 -5.6 -10.9 -11.0 -14.9 -15.0 -17.5 -16.4 -14.6 -5.2 1.3 1992 1.6 -1.3 -4.7 -8.4 -11.8 -12.7 -16.4 -17.6 -20.5 -12.5 -4.9 -0.9 1993 1.8 -2.8 -6.7 -11.8 -16.1 -19.5 -21.3 -20.2 -17.4 -13.0 -6.2 -0.4 1994 0.9 -3.2 -6.9 -9.9 -13.8 -13.4 -14.2 -20.0 -16.1 -10.9 -5.1 -0.9 1995 -0.7 -2.0 -8.2 -8.3 -15.1 -20.7 -14.0 -22.6 -20.4 -11.0 -5.9 -0.8 1996 0.4 -0.9 -6.3 -10.8 -16.1 -16.2 -14.5 -15.4 -11.4 -9.8 -4.3 -0.1 1997 0.5 -1.4 -5.9 -7.4 -14.7 -15.2 -20.4 -17.7 -22.4 -11.5 -5.9 1.4 1998 1.2 -1.1 -3.5 -10.0 -11.3 -14.3 -16.4 -21.9 -15.6 -12.8 -4.6 -1.5 1999 0.0 -2.3 -6.8 -10.7 -12.5 -13.6 -21.1 -21.4 -18.5 -13.0 -6.0 -2.2 2000 -1.0 -3.0 -10.1 -10.4 -16.0 -11.6 -18.8 -17.7 -16.4 -12.2 -4.3 0.3 2001 0.3 -0.8 -5.7 -11.6 -13.6 -17.8 -18.3 -19.9 -18.0 -13.7 -5.5 -0.7 2002 -0.4 -2.2 -5.9 -9.6 -10.0 -14.5 -13.2 -17.0 -15.6 -9.7 -5.3 -0.6 2003 1.5 -1.0 -3.9 -7.3 -12.8 -12.5 -16.3 -16.2 -14.5 -12.0 -4.3 0.8 2004 1.4 -1.2 -4.1 -8.4 -12.3 -12.8 -20.7 -19.0 -19.5 -10.5 -5.9 1.8 2005 1.6 -0.9 -4.6 -10.1 - -14.9 -14.7 -16.4 -17.2 -12.5 -6.7 1.3 2006 1.1 -2.6 -5.0 -9.1 - -16.7 - -16.5 -17.5 -14.2 -4.3 0.2 2007 2.3 -1.6 -6.6 -9.5 - - -16.2 -16.0 -18.3 -9.1 -2.2 0.2 2008 -0.2 -2.3 -7.0 -8.7 -15.3 -20.4 -14.5 -22.2 -14.3 -15.6 -5.5 0.0 2009 0.2 - - - - - - - - - - -