Comparison of Historical Peaks to (ONI) Oceanic Index
Water Year, Observed Date, Observed Stage, ONI
51, 1951-02-10, 8.54, -0.60
52, 1952-06-04, 7.02, 1.04
53, 1953-09-28, 7.14, 0.04
54, 1954-08-23, 7.48, 0.84
55, 1955-06-16, 7.79, -0.73
56, 1955-10-25, 12.68, -1.67
57, 1957-06-11, 7.38, -0.43
58, 1957-10-30, 8.57, 1.53
59, 1958-12-02, 9.09, 0.50
60, 1959-11-23, 9.91, 0.05
61, 1961-06-17, 8.45, 0.12
62, 1962-06-25, 6.79, -0.19
63, 1962-11-20, 12.09, -0.31
64, 1963-10-22, 11.49, 1.37
65, 1965-08-13, 6.75, -0.82
66, 1966-06-28, 6.79, 1.97
67, 1967-06-21, 8.20, -0.18
68, 1968-06-02, 10.00, -0.34
69, 1969-06-04, 7.33, 0.73
70, 1970-06-03, 7.82, 0.81
71, 1971-07-19, 7.88, -0.86
72, 1972-07-12, 9.71, -0.96
73, 1973-06-23, 6.93, 2.09
74, 1974-06-20, 7.79, -1.95
75, 1975-07-10, 8.72, -0.75
76, 1975-12-04, 9.16, -1.55
77, 1977-01-18, 7.74, 0.86
78, 1978-06-05, 7.29, 0.81
79, 1978-11-07, 9.39, -0.08
80, 1979-12-18, 10.99, 0.52
81, 1980-12-26, 14.50, 0.11
82, 1982-06-20, 8.34, -0.15
83, 1983-07-13, 10.26, 2.18
84, 1984-01-04, 11.98, -1.00
85, 1985-06-07, 7.35, -0.92
86, 1986-05-30, 7.81, -0.27
87, 1987-05-12, 9.88, 1.14
88, 1988-05-13, 7.59, 1.25
89, 1988-10-16, 11.78, -1.80
90, 1989-12-04, 11.01, -0.16
91, 1990-11-10, 11.53, 0.40
92, 1992-01-31, 8.37, 1.21
93, 1993-05-11, 7.93, -0.28
94, 1994-06-25, 6.42, 0.04
95, 1995-07-26, 7.43, 1.01
96, 1995-11-29, 12.76, -1.00
97, 1997-07-09, 10.07, -0.45
98, 1997-10-04, 6.81, 2.40
99, 1999-06-16, 8.04, -1.48
00, 1999-11-12, 12.34, -1.46
01, 2001-05-23, 7.29, -0.75
02, 2002-01-08, 9.70, -0.35
03, 2003-01-26, 8.52, 1.31
04, 2003-10-20, 15.90, 0.35
05, 2005-01-19, 10.87, 0.66
06, 2006-05-18, 8.93, -0.57
07, 2006-11-06, 13.73, 0.94
08, 2008-05-18, 9.36, -1.50
09, 2008-11-12, 10.44, -0.55
10, 2009-10-31, 9.02, 1.36
11, 2010-10-10, 10.16, -1.64
12, 2012-07-10, 9.09, -1.09
13, 2013-09-06, 9.67, 0.05
14, 2014-07-19, 9.59, -0.17
15, 2014-11-28, 9.93, 0.64
16, 2015-10-31, 10.59, 2.57
18, 2017-10-08, 10.91, -0.84
19, 2018-11-02, 10.84, 0.90