Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-02-15, 26.02, -0.60
52, 1952-05-01, 26.79, 1.04
53, 1953-05-05, 24.73, 0.04
54, 1954-05-21, 26.75, 0.84
55, 1955-05-25, 25.70, -0.73
56, 1956-04-27, 27.95, -1.67
57, 1957-05-25, 27.38, -0.43
58, 1958-04-24, 25.17, 1.53
59, 1959-05-04, 25.60, 0.50
60, 1960-04-12, 25.74, 0.05
61, 1961-02-28, 25.95, 0.12
62, 1962-04-27, 25.79, -0.19
63, 1962-11-27, 23.89, -0.31
64, 1964-05-23, 26.65, 1.37
65, 1965-04-25, 26.93, -0.82
66, 1966-05-12, 24.31, 1.97
67, 1967-05-25, 25.53, -0.18
68, 1968-02-26, 25.00, -0.34
69, 1969-04-26, 26.34, 0.73
70, 1970-05-29, 25.08, 0.81
71, 1971-05-15, 27.00, -0.86
72, 1972-03-21, 27.06, -0.96
73, 1973-05-22, 22.38, 2.09
74, 1974-01-20, 28.94, -1.95
75, 1975-05-20, 26.72, -0.75
76, 1976-05-15, 26.56, -1.55
77, 1977-05-11, 20.85, 0.86
78, 1978-04-06, 24.95, 0.81
79, 1979-05-09, 26.70, -0.08
80, 1980-04-30, 24.25, 0.52
81, 1980-12-30, 25.80, 0.11
82, 1982-02-23, 27.90, -0.15
83, 1983-03-15, 24.33, 2.18
84, 1984-06-01, 24.58, -1.00
85, 1985-04-19, 25.76, -0.92
86, 1986-03-11, 25.20, -0.27
87, 1987-05-01, 23.69, 1.14
88, 1988-04-22, 24.18, 1.25
89, 1989-04-25, 25.89, -1.80
90, 1990-06-06, 25.24, -0.16
91, 1990-11-29, 24.85, 0.40
92, 1992-02-24, 21.98, 1.21
93, 1993-05-17, 24.71, -0.28
94, 1994-04-24, 23.46, 0.04
95, 1995-02-25, 25.23, 1.01
96, 1996-02-12, 28.04, -1.00
97, 1997-05-19, 29.06, -0.45
98, 1998-05-28, 23.84, 2.40
99, 1999-06-03, 25.38, -1.48
00, 2000-04-24, 26.42, -1.46
01, 2001-04-02, 23.80, -0.75
02, 2002-04-18, 26.88, -0.35
03, 2003-02-03, 24.01, 1.31
04, 2004-04-19, 23.48, 0.35
05, 2004-12-15, 23.12, 0.66
06, 2006-04-19, 24.64, -0.57
07, 2007-03-29, 25.19, 0.94
08, 2008-05-23, 28.41, -1.50
09, 2009-04-26, 24.99, -0.55
10, 2010-06-23, 23.79, 1.36
11, 2011-05-28, 27.21, -1.64
12, 2012-04-29, 27.72, -1.09
13, 2013-04-10, 24.37, 0.05
14, 2014-03-13, 25.89, -0.17
15, 2015-02-14, 25.06, 0.64
16, 2016-03-17, 24.09, 2.57
17, 2017-03-21, 28.73, -0.67
18, 2018-05-12, 26.14, -0.84
19, 2019-04-13, 24.76, 0.90