Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-05-12 | -0.60 | | | La Nina |
| 2 | 1952 | 1952-05-18 | 1.04 | 9.86 | 10000 | El Nino |
| 3 | 1953 | 1952-12-03 | 0.04 | 7.66 | 4870 | Neutral |
| 4 | 1954 | 1954-07-13 | 0.84 | 18.56 | 32500 | El Nino |
| 5 | 1955 | 1955-07-15 | -0.73 | 11.50 | 13200 | La Nina |
| 6 | 1956 | 1956-06-21 | -1.67 | 10.91 | 11700 | La Nina |
| 7 | 1957 | 1957-02-19 | -0.43 | 10.65 | 11100 | Neutral |
| 8 | 1958 | 1958-05-08 | 1.53 | 11.05 | 12100 | El Nino |
| 9 | 1959 | 1959-06-22 | 0.50 | 15.62 | 24300 | Neutral |
| 10 | 1960 | 1960-02-26 | 0.05 | 14.74 | 21200 | Neutral |
| 11 | 1961 | 1961-06-16 | 0.12 | 12.96 | 17000 | Neutral |
| 12 | 1962 | 1962-02-11 | -0.19 | 10.34 | 10300 | Neutral |
| 13 | 1963 | 1963-04-22 | -0.31 | 11.19 | 12400 | Neutral |
| 14 | 1964 | 1964-06-25 | 1.37 | 13.34 | 18000 | El Nino |
| 15 | 1965 | 1965-03-09 | -0.82 | 14.23 | 20400 | La Nina |
| 16 | 1966 | 1966-01-31 | 1.97 | 10.33 | 9910 | El Nino |
| 17 | 1967 | 1967-02-21 | -0.18 | 10.79 | 10800 | Neutral |
| 18 | 1968 | 1968-06-13 | -0.34 | 11.39 | 12800 | Neutral |
| 19 | 1969 | 1969-04-10 | 0.73 | 11.79 | 13800 | El Nino |
| 20 | 1970 | 1970-04-25 | 0.81 | 10.76 | 11300 | El Nino |
| 21 | 1971 | 1971-04-29 | -0.86 | 14.42 | 20700 | La Nina |
| 22 | 1972 | 1972-05-08 | -0.96 | 11.40 | 12700 | La Nina |
| 23 | 1973 | 1973-04-23 | 2.09 | 10.53 | 10600 | El Nino |
| 24 | 1974 | 1974-07-02 | -1.95 | 12.47 | 15400 | La Nina |
| 25 | 1975 | 1975-05-12 | -0.75 | 10.73 | 11000 | La Nina |
| 26 | 1976 | 1976-03-06 | -1.55 | 10.96 | 11500 | La Nina |
| 27 | 1977 | 1977-04-09 | 0.86 | 10.40 | 10300 | El Nino |
| 28 | 1978 | 1978-01-31 | 0.81 | 10.74 | 11100 | El Nino |
| 29 | 1979 | 1978-12-30 | -0.08 | 10.39 | 10200 | Neutral |
| 30 | 1980 | 1979-12-20 | 0.52 | 10.53 | 10600 | El Nino |
| 31 | 1981 | 1981-06-23 | 0.11 | 12.65 | 15800 | Neutral |
| 32 | 1982 | 1982-07-02 | -0.15 | 12.18 | 14600 | Neutral |
| 33 | 1983 | 1983-04-15 | 2.18 | 11.24 | 12300 | El Nino |
| 34 | 1984 | 1984-04-06 | -1.00 | 10.38 | 10200 | La Nina |
| 35 | 1985 | 1985-03-12 | -0.92 | 10.62 | 10800 | La Nina |
| 36 | 1986 | 1986-06-04 | -0.27 | 10.63 | 10800 | Neutral |
| 37 | 1987 | 1987-09-23 | 1.14 | 10.17 | 9750 | El Nino |
| 38 | 1988 | 1988-02-14 | 1.25 | 10.83 | 11300 | El Nino |
| 39 | 1989 | 1989-09-28 | -1.80 | 10.51 | 10500 | La Nina |
| 40 | 1990 | 1990-06-15 | -0.16 | 12.70 | 16000 | Neutral |
| 41 | 1991 | 1991-09-03 | 0.40 | 12.06 | 14300 | Neutral |
| 42 | 1992 | 1991-10-12 | 1.21 | 10.75 | 11100 | El Nino |
| 43 | 1993 | 1993-09-17 | -0.28 | 9.89 | 9140 | Neutral |
| 44 | 1994 | 1993-11-24 | 0.04 | 9.60 | 8530 | Neutral |
| 45 | 1995 | 1994-11-17 | 1.01 | 10.66 | 10900 | El Nino |
| 46 | 1996 | 1996-03-13 | -1.00 | 13.23 | 17400 | La Nina |
| 47 | 1997 | 1997-06-21 | -0.45 | 11.46 | 12900 | Neutral |
| 48 | 1998 | 1998-03-16 | 2.40 | 9.46 | 8250 | El Nino |
| 49 | 1999 | 1999-03-04 | -1.48 | 9.52 | 8370 | La Nina |
| 50 | 2000 | 2000-04-24 | -1.46 | 9.63 | 8590 | La Nina |
| 51 | 2001 | 2000-12-11 | -0.75 | 9.27 | 7860 | La Nina |
| 52 | 2002 | 2002-06-12 | -0.35 | 10.33 | 10100 | Neutral |
| 53 | 2003 | 2003-05-12 | 1.31 | 8.67 | 6740 | El Nino |
| 54 | 2004 | 2004-04-21 | 0.35 | 9.05 | 7440 | Neutral |
| 55 | 2005 | 2005-06-08 | 0.66 | 10.70 | 11200 | El Nino |
| 56 | 2006 | 2006-05-01 | -0.57 | 10.82 | 11900 | La Nina |
| 57 | 2007 | 2007-04-03 | 0.94 | 9.21 | 8250 | El Nino |
| 58 | 2008 | 2008-07-02 | -1.50 | 10.64 | 11400 | La Nina |
| 59 | 2009 | 2009-05-07 | -0.55 | 8.27 | 6320 | La Nina |
| 60 | 2010 | 2010-06-27 | 1.36 | 9.20 | 8250 | El Nino |
| 61 | 2011 | 2011-04-10 | -1.64 | 10.42 | 10800 | La Nina |
| 62 | 2012 | 2012-06-26 | -1.09 | 13.38 | 17900 | La Nina |
| 63 | 2013 | 2013-05-25 | 0.05 | 11.39 | 13000 | Neutral |
| 64 | 2014 | 2014-04-30 | -0.17 | 11.70 | 13700 | Neutral |
| 65 | 2015 | 2015-05-15 | 0.64 | 8.90 | 7620 | El Nino |
| 66 | 2016 | 2016-05-25 | 2.57 | 8.61 | 7050 | El Nino |
| 67 | 2017 | 2017-03-28 | -0.67 | 11.55 | 13400 | La Nina |
| 68 | 2018 | 2018-04-24 | -0.84 | 12.57 | 15800 | La Nina |
| 69 | 2019 | 2019-01-17 | 0.90 | 8.57 | 6970 | El Nino |
| 70 | 2020 | 2020-06-08 | 0.51 | 13.19 | 17400 | El Nino |
