Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-05-14, 6.80, -0.60
52, 1952-05-01, 6.96, 1.04
53, 1953-05-21, 6.50, 0.04
54, 1954-05-21, 7.94, 0.84
55, 1955-06-14, 7.48, -0.73
56, 1956-05-26, 8.64, -1.67
57, 1957-05-20, 7.99, -0.43
58, 1958-05-26, 6.89, 1.53
59, 1959-06-07, 6.87, 0.50
60, 1960-05-21, 6.84, 0.05
61, 1961-06-07, 8.36, 0.12
62, 1962-05-29, 6.34, -0.19
63, 1963-05-28, 5.67, -0.31
64, 1964-06-08, 7.05, 1.37
65, 1965-05-31, 6.41, -0.82
66, 1966-05-13, 5.85, 1.97
68, 1968-06-05, 5.84, -0.34
69, 1969-05-30, 7.57, 0.73
70, 1970-05-28, 6.08, 0.81
71, 1971-05-14, 7.52, -0.86
72, 1972-06-02, 7.60, -0.96
73, 1973-05-21, 5.14, 2.09
74, 1974-06-19, 8.81, -1.95
75, 1975-06-06, 7.13, -0.75
76, 1976-05-14, 6.62, -1.55
77, 1976-10-15, 3.38, 0.86
78, 1978-05-24, 6.42, 0.81
79, 1979-05-07, 5.77, -0.08
80, 1980-05-10, 6.95, 0.52
81, 1981-05-28, 5.86, 0.11
82, 1982-03-27, 6.99, -0.15
83, 1983-05-31, 7.04, 2.18
84, 1984-06-21, 6.40, -1.00
85, 1985-05-26, 6.07, -0.92
86, 1986-06-01, 5.20, -0.27
87, 1987-05-11, 5.78, 1.14
88, 1988-04-24, 4.90, 1.25
89, 1989-05-11, 6.47, -1.80
90, 1990-06-02, 6.84, -0.16
91, 1991-05-22, 6.77, 0.40
93, 1993-05-19, 5.81, -0.28
94, 1994-04-25, 5.23, 0.04
96, 1996-05-23, 6.57, -1.00
97, 1997-05-18, 9.13, -0.45
98, 1998-05-28, 7.73, 2.40
01, 2001-05-16, 4.55, -0.75
03, 2003-06-02, 6.01, 1.31
05, 2005-05-20, 4.34, 0.66
06, 2006-05-24, 7.76, -0.57
07, 2007-03-26, 5.65, 0.94
08, 2008-03-22, 8.01, -1.50
09, 2009-06-02, 5.78, -0.55
10, 2010-06-05, 6.40, 1.36
11, 2011-05-27, 7.90, -1.64
12, 2012-06-07, 7.67, -1.09
13, 2013-05-14, 6.48, 0.05
14, 2014-05-26, 6.39, -0.17
15, 2015-02-10, 4.76, 0.64
16, 2016-05-10, 5.49, 2.57
17, 2017-05-14, 6.58, -0.67