南方振動指数
(注) 99.9は観測値が存在しないことを示します。
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
1946 -0.3 0.5 0.0 -0.4 -0.7 -0.7 -1.2 -0.2 -1.5 -1.0 -0.5 -0.7
1947 -0.5 -0.3 1.3 0.0 -1.3 0.9 1.3 1.3 1.0 -0.1 0.7 0.3
1948 -0.4 -0.2 -0.2 0.5 1.3 -0.1 0.3 -0.1 -0.7 0.7 0.1 -0.7
1949 -0.7 0.3 0.7 0.4 0.1 -0.9 -0.1 -0.2 0.1 0.6 -1.1 0.6
1950 0.5 1.6 1.8 1.6 2.0 3.9 2.8 1.8 0.6 1.7 0.9 2.1
1951 1.1 0.7 -0.4 -0.3 -1.0 0.3 -1.5 -0.3 -1.1 -1.0 -1.3 -0.9
1952 -0.8 -0.6 0.3 -0.3 1.9 1.5 0.7 0.1 -0.2 0.4 -0.4 -1.3
1953 0.1 -0.5 -0.4 0.3 -3.2 0.2 -0.1 -1.6 -1.3 0.1 -0.6 -0.6
1954 0.5 -0.3 0.0 0.8 1.5 0.2 0.6 1.5 0.1 0.3 0.0 1.0
1955 -0.6 1.5 0.4 -0.1 2.7 2.4 2.5 2.1 1.3 1.6 1.5 0.7
1956 1.0 1.2 1.0 1.1 3.4 2.0 1.8 1.7 0.0 1.9 0.0 0.8
1957 0.4 -0.1 0.0 0.3 -1.2 0.3 0.3 -0.7 -1.0 0.1 -1.6 -0.5
1958 -1.6 -0.5 0.0 0.5 -0.4 0.5 0.6 1.3 -0.3 0.0 -0.9 -0.8
1959 -0.7 -1.2 1.0 0.7 1.4 -0.2 -0.4 -0.1 0.0 0.5 1.0 0.6
1960 0.0 0.0 0.7 1.0 1.6 0.2 0.8 1.1 0.7 0.1 0.6 0.5
1961 -0.4 0.6 -1.8 1.0 0.9 0.2 0.3 0.4 0.1 -0.4 0.7 1.0
1962 1.5 -0.3 0.0 0.4 2.4 1.1 0.2 0.9 0.5 1.1 0.2 -0.2
1963 0.7 0.3 0.8 0.9 1.3 -0.6 -0.1 0.0 -0.6 -1.1 -1.3 -1.3
1964 -0.4 0.0 0.9 1.4 1.1 1.4 1.0 2.0 1.2 1.3 -0.2 -0.5
1965 -0.4 0.2 0.5 -0.8 0.7 -1.0 -3.1 -1.0 -1.4 -0.9 -2.8 0.0
1966 -1.1 -0.3 -1.1 -0.3 -0.7 0.8 -0.1 0.8 -0.2 -0.1 -0.4 -0.6
1967 1.3 1.2 0.9 0.0 0.3 1.4 0.4 1.0 0.4 0.1 -0.8 -0.8
1968 0.5 0.9 -0.2 0.1 2.9 2.0 1.1 0.3 -0.4 -0.1 -0.7 0.0
1969 -1.1 -0.5 0.3 -0.5 0.0 0.5 -0.9 -0.2 -1.0 -1.0 -0.4 0.1
1970 -1.1 -0.9 0.3 -0.1 1.0 1.8 -0.6 0.9 1.1 0.9 2.1 1.5
1971 0.2 1.5 2.0 2.0 2.0 0.9 0.4 2.1 1.4 1.7 0.5 0.1
1972 0.3 0.8 0.4 -0.1 -3.2 -1.0 -2.2 -0.7 -1.4 -0.9 -0.6 -1.4
1973 -0.4 -1.2 0.5 0.2 1.2 2.0 1.0 1.8 1.2 0.8 3.3 1.4
1974 1.9 1.6 2.0 1.2 2.0 0.8 1.7 1.2 1.1 0.9 -0.7 0.0
1975 -0.5 0.5 1.2 1.4 1.7 2.4 2.9 2.8 2.0 1.7 1.3 1.7
1976 1.0 1.2 1.4 0.4 0.7 0.6 -1.6 -1.1 -1.3 0.4 0.8 -0.6
1977 -0.3 0.9 -0.7 -0.3 -0.5 -1.7 -1.7 -1.0 -0.9 -1.0 -2.0 -1.1
1978 -0.4 -2.2 -0.3 -0.3 3.3 1.2 1.0 0.7 0.0 -0.4 -0.5 -0.3
1979 -0.3 0.6 -0.1 -0.1 0.9 1.3 2.1 -0.2 0.1 -0.1 -0.9 -0.9
1980 0.3 0.2 -0.7 -0.6 0.3 0.0 -0.1 0.5 -0.5 0.0 -0.7 -0.3
1981 0.3 -0.2 -1.4 -0.1 1.9 2.4 1.3 1.0 0.5 -0.4 -0.1 0.2
1982 0.7 0.1 0.3 0.1 -0.5 -2.1 -2.4 -2.4 -2.0 -1.7 -3.9 -2.2
1983 -2.9 -2.9 -2.5 -0.9 1.1 0.2 -0.9 0.2 0.9 0.5 -0.3 -0.2
1984 0.0 0.6 -0.4 0.4 0.7 -0.6 0.2 0.6 0.1 -0.3 0.2 -0.2
1985 -0.5 0.9 0.5 1.5 1.7 -0.7 -0.2 1.4 0.0 -0.4 -0.6 0.0
1986 0.8 -0.9 0.3 0.4 -0.2 1.8 0.4 -0.5 -0.5 0.7 -2.1 -1.5
1987 -0.6 -1.1 -1.3 -1.6 -2.3 -2.0 -2.3 -1.3 -1.1 -0.4 -0.2 -0.6
1988 -0.3 -0.4 0.4 0.2 2.0 0.1 1.6 2.1 1.8 1.4 2.2 0.9
1989 1.1 0.8 0.8 1.9 2.8 1.5 1.4 -0.4 0.5 0.8 -0.6 -0.7
1990 -0.2 -1.6 -0.6 0.3 2.5 0.6 0.8 -0.2 -0.8 0.0 -1.0 -0.4
1991 0.4 0.1 -0.8 -0.7 -1.9 -0.1 -0.1 -0.6 -1.6 -1.1 -1.1 -1.8
1992 -2.5 -0.8 -2.1 -1.1 0.8 -1.1 -0.9 0.5 0.0 -1.5 -1.2 -0.7
1993 -0.8 -0.6 -0.6 -1.4 -0.7 -1.4 -1.2 -1.3 -0.8 -1.1 -0.3 0.0
1994 -0.2 0.1 -0.8 -1.4 -1.1 -0.8 -2.1 -1.7 -1.6 -1.2 -1.1 -1.3
1995 -0.4 -0.2 0.5 -0.7 -0.5 0.4 0.7 0.4 0.3 0.0 -0.2 -0.7
1996 0.7 0.1 0.7 0.9 0.5 2.3 1.0 0.9 0.6 0.5 -0.4 0.6
1997 0.2 1.3 -0.6 -1.0 -2.1 -2.4 -1.2 -2.0 -1.5 -1.5 -1.9 -1.1
1998 -2.1 -1.9 -2.5 -1.6 0.7 1.9 2.0 1.6 1.0 1.2 1.1 1.1
1999 1.4 0.8 0.9 1.6 0.5 0.7 0.7 0.5 -0.1 1.0 1.3 1.1
2000 0.4 1.2 1.1 1.4 0.8 -0.2 -0.3 1.0 0.9 1.0 2.4 0.6
2001 0.6 1.2 0.7 0.2 -0.8 0.5 -0.3 -0.6 0.1 0.0 0.6 -1.0
2002 0.1 0.7 -0.3 -0.1 -1.3 -0.4 -1.0 -1.3 -0.6 -0.4 -0.9 -1.2
2003 -0.3 -0.6 -0.5 -0.1 -0.3 -1.1 0.4 0.2 -0.2 -0.1 -0.5 0.7
2004 -1.1 0.8 0.2 -1.4 2.3 -1.3 -0.9 -0.5 -0.3 -0.2 -1.3 -0.9
2005 0.2 -2.5 0.1 -0.6 -1.3 0.8 0.1 -0.5 0.3 1.2 -0.7 -0.1
2006 1.1 0.0 1.4 1.3 -0.8 -0.3 -1.2 -1.5 -0.6 -1.2 -0.1 -0.5
2007 -0.7 -0.2 0.0 0.0 0.0 0.9 -0.7 0.6 0.1 0.7 0.8 1.2
2008 1.3 2.0 1.2 0.6 0.0 1.0 0.3 1.3 1.2 1.5 1.8 1.1
2009 0.7 1.4 0.2 0.9 0.1 0.2 0.3 -0.1 0.3 -1.2 -1.0 -0.9
2010 -0.9 -1.2 -0.9 1.4 2.1 0.9 2.5 2.5 2.3 1.8 1.8 2.4
2011 1.7 2.0 2.2 2.1 0.5 0.7 1.3 0.6 1.1 1.0 1.5 2.1
2012 0.8 0.3 0.4 -0.3 0.1 -0.9 -0.1 -0.3 0.3 0.5 0.4 -0.7
2013 -0.1 -0.2 1.2 0.3 1.6 2.1 1.1 0.3 0.4 -0.1 0.7 -0.1
2014 1.0 -0.1 -1.1 0.8 1.0 0.2 -0.3 -1.0 -0.6 -0.6 -1.3 -0.6
2015 -0.7 0.0 -0.9 0.0 -1.7 -1.1 -1.9 -1.8 -1.6 -1.6 -0.8 -0.9
2016 -1.9 -1.7 -0.3 -1.4 1.0 1.2 0.6 1.0 1.3 -0.2 -0.2 0.1
2017 0.1 -0.1 0.6 -0.4 0.5 -0.9 1.0 0.8 0.6 1.0 1.0 -0.3
2018 0.8 -0.5 1.0 0.6 0.3 -0.2 0.3 -0.4 -0.9 0.5 -0.1 0.8
2019 -0.1 -1.2 -0.6 0.1 -0.8 -0.8 -0.9 -0.2 -1.2 -0.4 -1.3 -0.6
2020 0.0 -0.1 -0.3 0.1 0.6 -0.8 0.6 1.6 0.9 0.6 0.9 1.5
2021 1.4 1.1 0.1 0.4 0.8 0.8 2.1 0.9 0.8 0.8 1.3 1.2
2022 0.3 0.8 1.5 2.0 2.9 3.1 1.1 1.4 1.7 1.9 0.2 1.8
2023 1.0 1.0 -0.1 0.3 -2.3 0.5 -0.6 -1.2 -1.3 -0.4 -1.1 -0.4
2024 0.3 -1.1 0.1 -0.3 0.7 0.1 -0.9 1.1 -0.1 0.6 99.9 99.9