Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-04-07, 6.02, -0.60
52, 1951-12-02, 7.91, 1.04
53, 1953-01-18, 8.00, 0.04
54, 1954-01-17, 7.56, 0.84
55, 1955-04-22, 5.68, -0.73
56, 1955-12-22, 13.90, -1.67
57, 1957-02-26, 9.73, -0.43
58, 1958-02-25, 9.36, 1.53
59, 1959-04-06, 4.97, 0.50
60, 1960-03-30, 7.05, 0.05
61, 1961-02-10, 5.43, 0.12
62, 1962-02-14, 5.75, -0.19
63, 1963-02-03, 8.51, -0.31
64, 1964-04-01, 7.25, 1.37
66, 1966-03-09, 5.83, 1.97
67, 1967-01-29, 10.86, -0.18
68, 1968-02-20, 9.31, -0.34
69, 1969-04-06, 7.83, 0.73
70, 1970-01-24, 9.67, 0.81
71, 1971-03-26, 9.11, -0.86
72, 1972-02-29, 9.84, -0.96
73, 1973-01-16, 9.63, 2.09
74, 1974-01-17, 9.57, -1.95
75, 1975-05-16, 7.51, -0.75
76, 1976-04-09, 6.64, -1.55
77, 1977-05-11, 4.53, 0.86
78, 1977-12-15, 12.11, 0.81
79, 1979-03-16, 8.32, -0.08
80, 1980-02-19, 10.05, 0.52
81, 1980-12-26, 10.93, 0.11
82, 1982-02-22, 12.83, -0.15
83, 1983-03-14, 11.73, 2.18
84, 1984-03-15, 9.76, -1.00
85, 1985-04-02, 9.37, -0.92
86, 1986-03-08, 11.49, -0.27
87, 1987-03-06, 9.66, 1.14
88, 1988-04-03, 6.00, 1.25
89, 1989-03-25, 10.78, -1.80
90, 1990-04-23, 7.30, -0.16
91, 1991-05-08, 6.00, 0.40
92, 1992-02-20, 9.30, 1.21
93, 1993-03-25, 11.93, -0.28
94, 1994-03-04, 6.68, 0.04
95, 1995-02-02, 11.11, 1.01
96, 1996-05-18, 13.16, -1.00
97, 1997-01-01, 14.54, -0.45
98, 1998-05-26, 11.62, 2.40
99, 1999-03-26, 11.49, -1.48
00, 2000-02-27, 10.55, -1.46
01, 2001-03-09, 6.67, -0.75
02, 2002-04-15, 10.95, -0.35
03, 2003-03-23, 9.17, 1.31
04, 2004-03-24, 7.67, 0.35
05, 2005-03-28, 10.27, 0.66
06, 2005-12-29, 12.45, -0.57
08, 2008-05-19, 9.39, -1.50
09, 2009-03-03, 7.66, -0.55
11, 2011-03-16, 11.08, -1.64
12, 2012-03-31, 10.02, -1.09
13, 2012-12-02, 9.72, 0.05
14, 2014-03-10, 13.45, -0.17
15, 2015-02-07, 8.87, 0.64
16, 2016-03-14, 9.45, 2.57
17, 2017-02-09, 11.60, -0.67
18, 2018-03-23, 7.30, -0.84
19, 2019-04-09, 14.03, 0.90