Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-04-05, 9.04, -0.60
52, 1952-04-15, 15.70, 1.04
53, 1953-05-19, 1.33, 0.04
54, 1954-08-31, 2.06, 0.84
55, 1955-08-16, 1.90, -0.73
56, 1956-04-03, 1.58, -1.67
57, 1957-05-21, 9.33, -0.43
58, 1958-04-19, 9.40, 1.53
59, 1959-04-17, 1.43, 0.50
60, 1960-09-12, 1.77, 0.05
61, 1960-10-01, 0.94, 0.12
62, 1962-09-18, 1.16, -0.19
63, 1963-09-25, 1.39, -0.31
64, 1964-06-19, 3.64, 1.37
65, 1965-02-02, 10.52, -0.82
66, 1966-05-26, 1.43, 1.97
67, 1967-04-03, 1.45, -0.18
68, 1968-04-08, 1.16, -0.34
69, 1969-04-08, 11.12, 0.73
70, 1970-05-16, 4.84, 0.81
71, 1971-01-19, 12.93, -0.86
72, 1972-03-07, 12.85, -0.96
73, 1973-04-14, 6.61, 2.09
74, 1974-03-21, 9.80, -1.95
75, 1975-05-21, 9.09, -0.75
76, 1976-04-09, 9.43, -1.55
77, 1977-05-01, 1.94, 0.86
78, 1978-04-30, 9.71, 0.81
79, 1979-03-18, 8.24, -0.08
80, 1980-06-06, 6.38, 0.52
82, 1982-02-23, 10.94, -0.15
83, 1983-03-15, 12.46, 2.18
84, 1984-04-17, 14.73, -1.00
85, 1985-04-10, 8.49, -0.92
86, 1986-02-25, 15.12, -0.27
87, 1986-12-01, 2.20, 1.14
88, 1987-10-10, 2.05, 1.25
89, 1989-04-03, 9.56, -1.80
90, 1990-06-24, 2.28, -0.16
91, 1991-07-19, 2.14, 0.40
92, 1992-04-01, 2.01, 1.21
93, 1993-03-28, 8.27, -0.28
94, 1994-07-09, 2.30, 0.04
95, 1995-05-21, 11.76, 1.01
96, 1996-04-02, 9.33, -1.00
97, 1997-04-24, 11.03, -0.45
98, 1998-05-14, 11.36, 2.40
99, 1999-04-20, 7.03, -1.48
00, 2000-04-28, 2.29, -1.46
01, 2000-10-12, 2.23, -0.75
07, 2007-03-26, 2.28, 0.94
08, 2008-05-20, 2.31, -1.50
09, 2009-04-22, 2.26, -0.55
10, 2010-04-20, 2.28, 1.36
11, 2011-04-02, 11.30, -1.64
12, 2012-04-24, 2.23, -1.09
13, 2013-02-28, 2.12, 0.05
14, 2014-06-09, 1.92, -0.17
15, 2015-06-23, 1.85, 0.64
16, 2016-07-02, 2.02, 2.57
17, 2017-04-29, 8.29, -0.67
18, 2017-10-01, 2.17, -0.84
19, 2019-05-31, 8.18, 0.90