Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-15 | -0.60 | 26.02 | 28200 | La Nina |
| 2 | 1952 | 1952-05-01 | 1.04 | 26.79 | 32100 | El Nino |
| 3 | 1953 | 1953-05-05 | 0.04 | 24.73 | 22400 | Neutral |
| 4 | 1954 | 1954-05-21 | 0.84 | 26.75 | 31000 | El Nino |
| 5 | 1955 | 1955-05-25 | -0.73 | 25.70 | 27000 | La Nina |
| 6 | 1956 | 1956-04-27 | -1.67 | 27.95 | 37800 | La Nina |
| 7 | 1957 | 1957-05-25 | -0.43 | 27.38 | 35600 | Neutral |
| 8 | 1958 | 1958-04-24 | 1.53 | 25.17 | 24400 | El Nino |
| 9 | 1959 | 1959-05-04 | 0.50 | 25.60 | 26500 | Neutral |
| 10 | 1960 | 1960-04-12 | 0.05 | 25.74 | 27400 | Neutral |
| 11 | 1961 | 1961-02-28 | 0.12 | 25.95 | 28200 | Neutral |
| 12 | 1962 | 1962-04-27 | -0.19 | 25.79 | 27600 | Neutral |
| 13 | 1963 | 1962-11-27 | -0.31 | 23.89 | 18900 | Neutral |
| 14 | 1964 | 1964-05-23 | 1.37 | 26.65 | 31800 | El Nino |
| 15 | 1965 | 1965-04-25 | -0.82 | 26.93 | 33200 | La Nina |
| 16 | 1966 | 1966-05-12 | 1.97 | 24.31 | 20700 | El Nino |
| 17 | 1967 | 1967-05-25 | -0.18 | 25.53 | 25600 | Neutral |
| 18 | 1968 | 1968-02-26 | -0.34 | 25.00 | 23000 | Neutral |
| 19 | 1969 | 1969-04-26 | 0.73 | 26.34 | 30400 | El Nino |
| 20 | 1970 | 1970-05-29 | 0.81 | 25.08 | 23600 | El Nino |
| 21 | 1971 | 1971-05-15 | -0.86 | 27.00 | 34000 | La Nina |
| 22 | 1972 | 1972-03-21 | -0.96 | 27.06 | 34400 | La Nina |
| 23 | 1973 | 1973-05-22 | 2.09 | 22.38 | 12300 | El Nino |
| 24 | 1974 | 1974-01-20 | -1.95 | 28.94 | 45600 | La Nina |
| 25 | 1975 | 1975-05-20 | -0.75 | 26.72 | 32300 | La Nina |
| 26 | 1976 | 1976-05-15 | -1.55 | 26.56 | 31400 | La Nina |
| 27 | 1977 | 1977-05-11 | 0.86 | 20.85 | 7610 | El Nino |
| 28 | 1978 | 1978-04-06 | 0.81 | 24.95 | 23000 | El Nino |
| 29 | 1979 | 1979-05-09 | -0.08 | 26.70 | 31200 | Neutral |
| 30 | 1980 | 1980-04-30 | 0.52 | 24.25 | 19500 | El Nino |
| 31 | 1981 | 1980-12-30 | 0.11 | 25.80 | 26600 | Neutral |
| 32 | 1982 | 1982-02-23 | -0.15 | 27.90 | 38400 | Neutral |
| 33 | 1983 | 1983-03-15 | 2.18 | 24.33 | 19800 | El Nino |
| 34 | 1984 | 1984-06-01 | -1.00 | 24.58 | 20900 | La Nina |
| 35 | 1985 | 1985-04-19 | -0.92 | 25.76 | 26400 | La Nina |
| 36 | 1986 | 1986-03-11 | -0.27 | 25.20 | 23700 | Neutral |
| 37 | 1987 | 1987-05-01 | 1.14 | 23.69 | 17300 | El Nino |
| 38 | 1988 | 1988-04-22 | 1.25 | 24.18 | 19200 | El Nino |
| 39 | 1989 | 1989-04-25 | -1.80 | 25.89 | 27000 | La Nina |
| 40 | 1990 | 1990-06-06 | -0.16 | 25.24 | 23900 | Neutral |
| 41 | 1991 | 1990-11-29 | 0.40 | 24.85 | 22100 | Neutral |
| 42 | 1992 | 1992-02-24 | 1.21 | 21.98 | 10800 | El Nino |
| 43 | 1993 | 1993-05-17 | -0.28 | 24.71 | 21600 | Neutral |
| 44 | 1994 | 1994-04-24 | 0.04 | 23.46 | 16200 | Neutral |
| 45 | 1995 | 1995-02-25 | 1.01 | 25.23 | 23900 | El Nino |
| 46 | 1996 | 1996-02-12 | -1.00 | 28.04 | 36500 | La Nina |
| 47 | 1997 | 1997-05-19 | -0.45 | 29.06 | 42600 | Neutral |
| 48 | 1998 | 1998-05-28 | 2.40 | 23.84 | 16500 | El Nino |
| 49 | 1999 | 1999-06-03 | -1.48 | 25.38 | 23000 | La Nina |
| 50 | 2000 | 2000-04-24 | -1.46 | 26.42 | 29000 | La Nina |
| 51 | 2001 | 2001-04-02 | -0.75 | 23.80 | 16800 | La Nina |
| 52 | 2002 | 2002-04-18 | -0.35 | 26.88 | 31400 | Neutral |
| 53 | 2003 | 2003-02-03 | 1.31 | 24.01 | 17700 | El Nino |
| 54 | 2004 | 2004-04-19 | 0.35 | 23.48 | 15300 | Neutral |
| 55 | 2005 | 2004-12-15 | 0.66 | 23.12 | 14000 | El Nino |
| 56 | 2006 | 2006-04-19 | -0.57 | 24.64 | 21000 | La Nina |
| 57 | 2007 | 2007-03-29 | 0.94 | 25.19 | 23100 | El Nino |
| 58 | 2008 | 2008-05-23 | -1.50 | 28.41 | 40800 | La Nina |
| 59 | 2009 | 2009-04-26 | -0.55 | 24.99 | 22200 | La Nina |
| 60 | 2010 | 2010-06-23 | 1.36 | 23.79 | 17000 | El Nino |
| 61 | 2011 | 2011-05-28 | -1.64 | 27.21 | 33700 | La Nina |
| 62 | 2012 | 2012-04-29 | -1.09 | 27.72 | 36600 | La Nina |
| 63 | 2013 | 2013-04-10 | 0.05 | 24.37 | 19400 | Neutral |
| 64 | 2014 | 2014-03-13 | -0.17 | 25.89 | 26600 | Neutral |
| 65 | 2015 | 2015-02-14 | 0.64 | 25.06 | 22500 | El Nino |
| 66 | 2016 | 2016-03-17 | 2.57 | 24.09 | 18200 | El Nino |
| 67 | 2017 | 2017-03-21 | -0.67 | 28.73 | 42900 | La Nina |
| 68 | 2018 | 2018-05-12 | -0.84 | 26.14 | 27800 | La Nina |
| 69 | 2019 | 2019-04-13 | 0.90 | 24.76 | 21100 | El Nino |
