Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-05-28, 5.60, -0.60
52, 1952-06-07, 4.42, 1.04
53, 1953-06-15, 4.78, 0.04
54, 1954-05-21, 4.68, 0.84
55, 1955-06-13, 4.32, -0.73
56, 1956-05-22, 4.72, -1.67
57, 1957-06-06, 4.66, -0.43
58, 1958-05-23, 4.38, 1.53
59, 1959-06-07, 4.65, 0.50
60, 1960-05-13, 4.55, 0.05
61, 1961-05-26, 4.99, 0.12
62, 1962-06-13, 4.75, -0.19
63, 1963-06-03, 4.87, -0.31
64, 1964-06-07, 5.28, 1.37
65, 1965-06-13, 5.71, -0.82
66, 1966-05-27, 5.21, 1.97
67, 1967-05-29, 5.30, -0.18
68, 1968-06-07, 5.44, -0.34
69, 1969-05-28, 5.41, 0.73
70, 1970-06-05, 5.84, 0.81
71, 1971-06-23, 6.35, -0.86
72, 1972-06-02, 6.28, -0.96
73, 1973-05-20, 5.14, 2.09
74, 1974-06-15, 6.27, -1.95
75, 1975-06-08, 5.54, -0.75
78, 1978-07-13, 4.05, 0.81
79, 1979-03-27, 5.51, -0.08
80, 1980-05-23, 5.70, 0.52
81, 1981-06-09, 6.48, 0.11
82, 1982-06-29, 6.12, -0.15
83, 1983-05-29, 6.33, 2.18
84, 1984-05-31, 6.13, -1.00
85, 1985-05-27, 5.57, -0.92
86, 1986-06-06, 6.73, -0.27
87, 1987-04-20, 5.05, 1.14
88, 1988-05-18, 5.74, 1.25
89, 1989-05-10, 6.36, -1.80
90, 1990-06-11, 4.87, -0.16
91, 1991-06-06, 5.93, 0.40
92, 1992-05-08, 5.50, 1.21
93, 1993-05-21, 6.60, -0.28
94, 1994-05-13, 5.29, 0.04
95, 1995-06-06, 6.45, 1.01
96, 1996-06-12, 7.20, -1.00
97, 1997-06-05, 7.56, -0.45
98, 1998-05-30, 6.88, 2.40
99, 1999-05-28, 7.36, -1.48
00, 2000-05-26, 6.76, -1.46
01, 2001-05-16, 6.65, -0.75
02, 2002-05-21, 6.97, -0.35
03, 2003-05-29, 6.86, 1.31
04, 2004-05-07, 5.72, 0.35
05, 2005-05-21, 6.83, 0.66
06, 2006-05-23, 7.70, -0.57
07, 2007-05-14, 6.60, 0.94
08, 2008-05-21, 7.99, -1.50
09, 2009-05-31, 7.83, -0.55
10, 2010-06-07, 7.51, 1.36
11, 2011-06-14, 7.78, -1.64
12, 2012-05-16, 6.83, -1.09
13, 2013-05-14, 7.23, 0.05
14, 2014-05-29, 7.99, -0.17
15, 2015-05-02, 7.17, 0.64
16, 2016-05-09, 7.35, 2.57
17, 2017-06-06, 8.20, -0.67
18, 2018-05-23, 8.01, -0.84
19, 2019-05-17, 7.62, 0.90