Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-05-28, 4.24, -0.60
52, 1952-06-07, 4.90, 1.04
53, 1953-06-19, 4.38, 0.04
54, 1954-06-26, 6.00, 0.84
55, 1955-06-12, 3.78, -0.73
56, 1956-05-24, 5.16, -1.67
57, 1957-06-06, 5.27, -0.43
58, 1958-05-24, 5.36, 1.53
59, 1959-06-14, 3.77, 0.50
60, 1960-06-03, 3.71, 0.05
61, 1961-06-10, 3.64, 0.12
62, 1962-06-21, 4.18, -0.19
63, 1963-06-15, 4.68, -0.31
64, 1964-06-27, 4.29, 1.37
65, 1965-06-12, 5.73, -0.82
66, 1966-05-29, 3.37, 1.97
67, 1967-05-25, 6.02, -0.18
68, 1968-06-20, 4.21, -0.34
69, 1969-05-27, 4.96, 0.73
70, 1970-06-28, 5.03, 0.81
71, 1971-06-23, 4.88, -0.86
72, 1972-06-08, 5.01, -0.96
73, 1973-05-19, 4.08, 2.09
74, 1974-06-16, 5.41, -1.95
75, 1975-06-07, 5.24, -0.75
76, 1976-05-28, 4.05, -1.55
77, 1977-06-08, 3.89, 0.86
78, 1978-06-10, 4.36, 0.81
80, 1980-07-03, 4.26, 0.52
81, 1981-06-09, 4.92, 0.11
82, 1982-06-22, 5.47, -0.15
83, 1983-06-11, 5.52, 2.18
84, 1984-07-29, 5.17, -1.00
85, 1985-09-07, 3.34, -0.92
86, 1986-06-04, 5.48, -0.27
87, 1987-05-17, 3.99, 1.14
88, 1988-06-05, 3.53, 1.25
89, 1989-06-16, 3.61, -1.80
90, 1990-06-10, 4.25, -0.16
91, 1991-06-12, 4.48, 0.40
92, 1992-05-08, 2.63, 1.21
93, 1993-05-21, 4.39, -0.28
94, 1994-05-13, 3.19, 0.04
95, 1995-07-10, 5.17, 1.01
96, 1996-06-10, 4.62, -1.00
97, 1997-06-05, 4.81, -0.45
98, 1998-06-26, 4.20, 2.40
99, 1999-06-17, 4.71, -1.48
00, 2000-05-24, 3.38, -1.46
01, 2001-05-15, 2.75, -0.75
02, 2002-06-01, 3.62, -0.35
05, 2005-05-19, 4.81, 0.66
06, 2006-05-21, 5.68, -0.57
07, 2007-05-13, 2.96, 0.94
08, 2008-05-19, 3.58, -1.50
09, 2009-06-20, 4.13, -0.55
10, 2010-06-07, 4.57, 1.36
11, 2011-06-24, 4.34, -1.64
12, 2012-04-27, 4.36, -1.09
13, 2013-06-11, 3.32, 0.05
14, 2014-05-28, 3.03, -0.17
15, 2015-06-10, 3.45, 0.64
16, 2016-06-06, 4.01, 2.57
17, 2017-06-05, 5.28, -0.67
18, 2018-05-26, 4.15, -0.84
19, 2019-06-07, 4.40, 0.90