Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-10 | -0.60 | 16.96 | 38000 | La Nina |
| 2 | 1952 | 1952-02-05 | 1.04 | 13.12 | 18800 | El Nino |
| 3 | 1953 | 1953-01-10 | 0.04 | 13.69 | 20500 | Neutral |
| 4 | 1954 | 1954-01-06 | 0.84 | 16.53 | 34700 | El Nino |
| 5 | 1955 | 1955-02-09 | -0.73 | 12.90 | 18100 | La Nina |
| 6 | 1956 | 1955-12-22 | -1.67 | 16.58 | 35100 | La Nina |
| 7 | 1957 | 1957-02-27 | -0.43 | 13.89 | 20900 | Neutral |
| 8 | 1958 | 1957-12-27 | 1.53 | 13.16 | 18500 | El Nino |
| 9 | 1959 | 1958-11-13 | 0.50 | 14.31 | 22500 | Neutral |
| 10 | 1960 | 1959-11-24 | 0.05 | 14.82 | 24700 | Neutral |
| 11 | 1961 | 1961-02-22 | 0.12 | 15.29 | 27000 | Neutral |
| 12 | 1962 | 1961-12-21 | -0.19 | 12.30 | 15900 | Neutral |
| 13 | 1963 | 1962-11-21 | -0.31 | 15.78 | 29800 | Neutral |
| 14 | 1964 | 1964-01-26 | 1.37 | 16.66 | 35700 | El Nino |
| 15 | 1965 | 1964-12-24 | -0.82 | 15.12 | 26200 | La Nina |
| 16 | 1966 | 1966-01-07 | 1.97 | 14.16 | 21900 | El Nino |
| 17 | 1967 | 1966-12-14 | -0.18 | 16.48 | 34400 | Neutral |
| 18 | 1968 | 1968-02-05 | -0.34 | 14.83 | 24800 | Neutral |
| 19 | 1969 | 1969-02-12 | 0.73 | 12.91 | 17500 | El Nino |
| 20 | 1970 | 1970-01-28 | 0.81 | 14.62 | 23300 | El Nino |
| 21 | 1971 | 1971-01-26 | -0.86 | 17.29 | 40800 | La Nina |
| 22 | 1972 | 1972-01-21 | -0.96 | 18.21 | 49200 | La Nina |
| 23 | 1973 | 1972-12-28 | 2.09 | 14.27 | 21900 | El Nino |
| 24 | 1974 | 1974-01-17 | -1.95 | 16.88 | 37400 | La Nina |
| 25 | 1975 | 1975-01-15 | -0.75 | 15.44 | 26900 | La Nina |
| 26 | 1976 | 1975-12-05 | -1.55 | 17.73 | 44800 | La Nina |
| 27 | 1977 | 1977-03-09 | 0.86 | 12.32 | 15200 | El Nino |
| 28 | 1978 | 1977-12-03 | 0.81 | 16.79 | 36500 | El Nino |
| 29 | 1979 | 1979-02-08 | -0.08 | 13.38 | 18300 | Neutral |
| 30 | 1980 | 1980-01-13 | 0.52 | 13.60 | 19000 | El Nino |
| 31 | 1981 | 1980-12-27 | 0.11 | 14.87 | 24000 | Neutral |
| 32 | 1982 | 1982-01-25 | -0.15 | 15.50 | 27300 | Neutral |
| 33 | 1983 | 1982-12-05 | 2.18 | 15.19 | 25600 | El Nino |
| 34 | 1984 | 1984-01-26 | -1.00 | 13.71 | 19200 | La Nina |
| 35 | 1985 | 1984-11-29 | -0.92 | 13.27 | 18000 | La Nina |
| 36 | 1986 | 1986-01-20 | -0.27 | 16.49 | 32100 | Neutral |
| 37 | 1987 | 1986-11-25 | 1.14 | 18.41 | 51600 | El Nino |
| 38 | 1988 | 1987-12-11 | 1.25 | 13.88 | 16400 | El Nino |
| 39 | 1989 | 1988-12-31 | -1.80 | 13.22 | 14400 | La Nina |
| 40 | 1990 | 1990-01-10 | -0.16 | 19.34 | 68700 | Neutral |
| 41 | 1991 | 1990-11-25 | 0.40 | 18.12 | 48000 | Neutral |
| 42 | 1992 | 1992-01-30 | 1.21 | 14.63 | 19600 | El Nino |
| 43 | 1993 | 1993-04-12 | -0.28 | 11.02 | 10400 | Neutral |
| 44 | 1994 | 1994-03-04 | 0.04 | 12.42 | 13100 | Neutral |
| 45 | 1995 | 1994-12-21 | 1.01 | 16.97 | 35900 | El Nino |
| 46 | 1996 | 1996-02-09 | -1.00 | 19.98 | 74800 | La Nina |
| 47 | 1997 | 1996-12-30 | -0.45 | 17.29 | 38700 | Neutral |
| 48 | 1998 | 1998-01-15 | 2.40 | 14.53 | 21400 | El Nino |
| 49 | 1999 | 1998-11-26 | -1.48 | 17.04 | 36500 | La Nina |
| 50 | 2000 | 1999-12-17 | -1.46 | 16.34 | 31000 | La Nina |
| 51 | 2001 | 2001-02-05 | -0.75 | 7.14 | 5750 | La Nina |
| 52 | 2002 | 2001-12-18 | -0.35 | 16.33 | 31900 | Neutral |
| 53 | 2003 | 2003-02-01 | 1.31 | 14.56 | 23100 | El Nino |
| 54 | 2004 | 2004-01-31 | 0.35 | 13.88 | 20400 | Neutral |
| 55 | 2005 | 2005-01-19 | 0.66 | 14.17 | 20700 | El Nino |
| 56 | 2006 | 2006-01-31 | -0.57 | 16.54 | 37900 | La Nina |
| 57 | 2007 | 2006-11-08 | 0.94 | 15.77 | 32700 | El Nino |
| 58 | 2008 | 2007-12-04 | -1.50 | 20.23 | 79100 | La Nina |
| 59 | 2009 | 2009-01-08 | -0.55 | 18.18 | 50700 | La Nina |
| 60 | 2010 | 2009-11-18 | 1.36 | 13.04 | 19400 | El Nino |
| 61 | 2011 | 2011-01-17 | -1.64 | 14.24 | 23900 | La Nina |
| 62 | 2012 | 2012-03-16 | -1.09 | 14.39 | 24500 | La Nina |
| 63 | 2013 | 2012-11-21 | 0.05 | 14.95 | 27000 | Neutral |
| 64 | 2014 | 2014-02-18 | -0.17 | 15.13 | 27800 | Neutral |
| 65 | 2015 | 2015-01-06 | 0.64 | 15.16 | 28000 | El Nino |
| 66 | 2016 | 2015-12-10 | 2.57 | 16.84 | 37700 | El Nino |
| 67 | 2017 | 2017-02-10 | -0.67 | 15.77 | 30800 | La Nina |
| 68 | 2018 | 2017-12-30 | -0.84 | 13.42 | 20100 | La Nina |
| 69 | 2019 | 2018-12-19 | 0.90 | 138.86 | 14800 | El Nino |
