49 Appendix 2: Oceanic Nino Index ONI 1950 – 2010 source from NOAA 2010
Year DJ
F JF
M FM
A MA
M AM
J MJ
J JJ
A JA
S AS
O SO
N ON
D ND
J 1950
-1.7 -1.5
-1.3 -1.4
-1.3 -1.1
-0.8 -0.8
-0.8 -0.9
-0.9 -1
1951 -1
-0.9 -0.6
-0.3 -0.2
0.2 0.4
0.7 0.7
0.8 0.7
0.6 1952
0.3 0.1
0.1 0.2
0.1 -0.1
-0.3 -0.3
-0.2 -0.2
-0.1
1953 0.2
0.4 0.5
0.5 0.5
0.5 0.4
0.4 0.4
0.4 0.4
0.4
1954 0.5
0.3 -0.1
-0.5 -0.7
-0.7 -0.8
-1 -1.2
-1.1 -1.1
-1.1 1955
-1 -0.9
-0.9 -1
-1 -1
-1 -1
-1.4 -1.8
-2 -1.9
1956 -1.3
-0.9 -0.7
-0.6 -0.6
-0.6 -0.7
-0.8 -0.8
-0.9 -0.9
-0.8 1957
-0.5
-0.1 0.3
0.6 0.7
0.9 0.9
0.9 0.9
1 1.2
1.5 1958
1.7 1.5
1.2 0.8
0.6 0.5
0.3 0.1
0.2 0.4
1959
0.4 0.5
0.4 0.2
-0.2 -0.4
-0.5 -0.4
-0.3 -0.2
-0.2
1960 -0.3
-0.3 -0.3
-0.2 -0.2
-0.2 -0.1
-0.1 -0.2
-0.2 -0.2
1961 -0.2
-0.2 -0.2
-0.1 0.1
0.2 -0.3
-0.6 -0.6
-0.5 -0.4
1962
-0.4 -0.4
-0.4 -0.5
-0.4 -0.4
-0.3 -0.3
-0.5 -0.6
-0.7 -0.7
1963 -0.6
-0.3 0.1
0.1 0.3
0.6 0.8
0.9 0.9
1 1
1964 0.8
0.4 -0.1
-0.5 -0.8
-0.8 -0.9
-1 -1.1
-1.2 -1.2
-1 1965
-0.8 -0.4
-0.2 0.3
0.6 1
1.2 1.4
1.5 1.6
1.5 1966
1.2 1
0.8 0.5
0.2 0.2
0.2 -0.2
-0.2 -0.3
-0.3
1967 -0.4
-0.4 -0.6
-0.5 -0.3
-0.2 -0.4
-0.5 -0.4
-0.5 1968
-0.7 -0.9
-0.8 -0.7
-0.3 0.3
0.4 0.3
0.4
0.7 0.9
1969 1
1 0.9
0.7 0.6
0.5 0.4
0.4 0.6
0.7 0.8
0.7 1970
0.5 0.3
0.2 0.1
-0.3 -0.6
-0.8 -0.9
-0.8 -0.9
-1.1 1971
-1.3 -1.3
-1.1 -0.9
-0.8 -0.8
-0.8 -0.8
-0.8 -0.9
-1 -0.9
1972 -0.7
-0.4 0.2
0.5 0.8
1 1.3
1.5 1.8
2 2.1
1973 1.8
1.2 0.5
-0.1 -0.6
-0.9 -1.1
-1.3 -1.4
-1.7 -2
-2.1 1974
-1.9 -1.7
-1.3 -1.1
-0.9 -0.8
-0.6 -0.5
-0.5 -0.7
-0.9 -0.7
1975 -0.6
-0.6 -0.7
-0.8 -0.9
-1.1 -1.2
-1.3 -1.5
-1.6 -1.7
-1.7 1976
-1.6 -1.2
-0.8 -0.6
-0.5
-0.2 0.1
0.3
0.5 0.7
0.8 0.7
50
Year DJF
JFM FMA MAM AMJ MJJ JJA JAS ASO SON OND NDJ 1977
0.6 0.5
0.2 0.2
0.2 0.4
0.4 0.4
0.5 0.6
0.7 0.7
1978 0.7
0.4 -0.3
-0.4 -0.4
-0.4 -0.4
-0.4 -0.3
-0.2 -0.1
1979 -0.1
0.1 0.1
0.1 -0.1
0.1 0.3
0.4 0.5
0.5
1980 0.5
0.3 0.2
0.2 0.3
0.3 0.2
-0.1 -0.1
-0.1
1981 -0.3
-0.5 -0.5
-0.4 -0.3
-0.3 -0.4
-0.4 -0.3
-0.2 -0.1
-0.1
1982
0.1 0.1
0.3
0.6 0.7
0.7 1
1.5 1.9