Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-05-14, 5.45, -0.60
52, 1952-04-30, 5.37, 1.04
53, 1953-06-05, 5.87, 0.04
54, 1954-05-22, 5.88, 0.84
55, 1955-06-16, 5.60, -0.73
56, 1956-06-04, 6.42, -1.67
57, 1957-05-08, 5.55, -0.43
58, 1958-05-27, 6.05, 1.53
59, 1959-06-22, 6.72, 0.50
60, 1960-06-06, 5.75, 0.05
61, 1961-05-29, 6.38, 0.12
62, 1962-05-31, 5.26, -0.19
63, 1963-06-02, 4.84, -0.31
64, 1964-06-10, 6.98, 1.37
65, 1965-06-20, 6.00, -0.82
66, 1966-06-02, 5.25, 1.97
67, 1967-05-25, 5.77, -0.18
68, 1968-06-25, 5.23, -0.34
69, 1969-06-01, 5.18, 0.73
70, 1970-06-08, 6.58, 0.81
71, 1971-05-31, 5.72, -0.86
72, 1972-06-12, 6.25, -0.96
73, 1973-05-21, 4.86, 2.09
74, 1974-06-20, 7.34, -1.95
75, 1975-06-17, 5.74, -0.75
76, 1976-05-16, 5.45, -1.55
77, 1977-05-04, 4.69, 0.86
78, 1978-06-10, 5.69, 0.81
79, 1979-05-28, 5.95, -0.08
80, 1980-05-27, 5.88, 0.52
81, 1981-05-27, 5.75, 0.11
82, 1982-06-19, 5.83, -0.15
83, 1983-06-01, 5.45, 2.18
84, 1984-06-26, 5.43, -1.00
85, 1985-06-10, 5.59, -0.92
86, 1986-06-01, 6.15, -0.27
87, 1987-05-03, 5.14, 1.14
88, 1988-06-09, 4.57, 1.25
89, 1989-05-12, 5.49, -1.80
90, 1990-06-28, 5.36, -0.16
91, 1991-05-21, 5.31, 0.40
92, 1992-05-10, 4.55, 1.21
93, 1993-05-18, 5.47, -0.28
94, 1994-05-14, 4.90, 0.04
95, 1995-06-07, 4.98, 1.01
96, 1996-06-11, 5.88, -1.00
97, 1997-05-18, 7.27, -0.45
98, 1998-05-29, 4.99, 2.40
99, 1999-05-29, 5.06, -1.48
00, 2000-06-17, 4.82, -1.46
01, 2001-05-30, 5.08, -0.75
02, 2002-06-03, 5.27, -0.35
03, 2003-06-02, 5.65, 1.31
04, 2004-06-08, 4.58, 0.35
05, 2005-06-05, 5.45, 0.66
06, 2006-06-18, 6.06, -0.57
07, 2007-06-07, 4.76, 0.94
08, 2008-05-22, 5.94, -1.50
09, 2009-06-02, 5.51, -0.55
10, 2010-06-06, 5.41, 1.36
11, 2011-07-02, 6.20, -1.64
12, 2012-04-29, 5.73, -1.09
13, 2013-05-15, 6.08, 0.05
14, 2014-05-28, 5.77, -0.17
15, 2015-03-19, 4.94, 0.64
16, 2016-06-10, 4.71, 2.57
17, 2017-06-03, 5.65, -0.67
18, 2018-05-29, 6.27, -0.84
19, 2019-05-19, 5.13, 0.90
20, 2020-06-02, 6.07, 0.51