Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-12 | -0.60 | 21.80 | 67200 | La Nina |
| 2 | 1952 | 1952-02-04 | 1.04 | 17.78 | 41400 | El Nino |
| 3 | 1953 | 1953-02-01 | 0.04 | 20.72 | 60000 | Neutral |
| 4 | 1954 | 1953-12-09 | 0.84 | 22.63 | 73000 | El Nino |
| 5 | 1955 | 1955-02-08 | -0.73 | 19.24 | 50100 | La Nina |
| 6 | 1956 | 1955-12-12 | -1.67 | 21.83 | 67400 | La Nina |
| 7 | 1957 | 1956-12-11 | -0.43 | 18.00 | 43200 | Neutral |
| 8 | 1958 | 1958-04-21 | 1.53 | 16.40 | 35200 | El Nino |
| 9 | 1959 | 1959-01-24 | 0.50 | 20.44 | 57800 | Neutral |
| 10 | 1960 | 1959-11-24 | 0.05 | 21.16 | 62700 | Neutral |
| 11 | 1961 | 1960-11-25 | 0.12 | 21.20 | 64500 | Neutral |
| 12 | 1962 | 1961-12-25 | -0.19 | 17.41 | 42100 | Neutral |
| 13 | 1963 | 1962-11-20 | -0.31 | 21.60 | 66900 | Neutral |
| 14 | 1964 | 1964-01-25 | 1.37 | 22.55 | 72600 | El Nino |
| 15 | 1965 | 1964-12-23 | -0.82 | 24.41 | 83900 | La Nina |
| 16 | 1966 | 1966-05-07 | 1.97 | 15.15 | 28800 | El Nino |
| 17 | 1967 | 1966-12-14 | -0.18 | 21.54 | 65000 | Neutral |
| 18 | 1968 | 1968-02-20 | -0.34 | 18.73 | 49500 | Neutral |
| 19 | 1969 | 1969-01-07 | 0.73 | 17.05 | 40300 | El Nino |
| 20 | 1970 | 1970-01-14 | 0.81 | 16.61 | 37900 | El Nino |
| 21 | 1971 | 1971-01-26 | -0.86 | 18.81 | 50000 | La Nina |
| 22 | 1972 | 1972-01-20 | -0.96 | 23.80 | 81600 | La Nina |
| 23 | 1973 | 1972-12-27 | 2.09 | 18.10 | 45600 | El Nino |
| 24 | 1974 | 1974-01-16 | -1.95 | 21.86 | 68600 | La Nina |
| 25 | 1975 | 1975-01-14 | -0.75 | 20.32 | 58900 | La Nina |
| 26 | 1976 | 1975-12-04 | -1.55 | 24.53 | 86700 | La Nina |
| 27 | 1977 | 1977-03-10 | 0.86 | 12.50 | 15000 | El Nino |
| 28 | 1978 | 1977-12-02 | 0.81 | 24.48 | 86400 | El Nino |
| 29 | 1979 | 1979-02-07 | -0.08 | 17.36 | 39400 | Neutral |
| 30 | 1980 | 1980-05-18 | 0.52 | 29.30 | 97000 | El Nino |
| 31 | 1981 | 1980-12-26 | 0.11 | 19.30 | 46900 | Neutral |
| 32 | 1982 | 1982-01-24 | -0.15 | 21.00 | 65500 | Neutral |
| 33 | 1983 | 1982-12-04 | 2.18 | 23.20 | 67300 | El Nino |
| 34 | 1984 | 1983-11-18 | -1.00 | 24.30 | 49600 | La Nina |
| 35 | 1985 | 1984-11-28 | -0.92 | 17.29 | 23600 | La Nina |
| 36 | 1986 | 1986-02-24 | -0.27 | 24.41 | 62700 | Neutral |
| 37 | 1987 | 1986-11-24 | 1.14 | 26.39 | 77600 | El Nino |
| 38 | 1988 | 1987-12-10 | 1.25 | 22.14 | 42100 | El Nino |
| 39 | 1989 | 1988-11-24 | -1.80 | 17.86 | 23600 | La Nina |
| 40 | 1990 | 1990-01-09 | -0.16 | 26.95 | 89200 | Neutral |
| 41 | 1991 | 1990-11-25 | 0.40 | 25.81 | 76000 | Neutral |
| 42 | 1992 | 1992-01-29 | 1.21 | 16.56 | 27000 | El Nino |
| 43 | 1993 | 1993-03-23 | -0.28 | 13.19 | 14700 | Neutral |
| 44 | 1994 | 1994-01-14 | 0.04 | 13.19 | 17300 | Neutral |
| 45 | 1995 | 1995-02-19 | 1.01 | 21.30 | 47500 | El Nino |
| 46 | 1996 | 1996-02-08 | -1.00 | 32.11 | 112000 | La Nina |
| 47 | 1997 | 1996-12-29 | -0.45 | 23.23 | 56700 | Neutral |
| 48 | 1998 | 1998-01-14 | 2.40 | 41.30 | 30800 | El Nino |
| 49 | 1999 | 1998-11-26 | -1.48 | 46.59 | 57600 | La Nina |
| 50 | 2000 | 1999-11-25 | -1.46 | 43.30 | 41700 | La Nina |
| 51 | 2001 | 2000-11-27 | -0.75 | 34.44 | 11600 | La Nina |
| 52 | 2002 | 2001-12-17 | -0.35 | 44.78 | 51400 | Neutral |
| 53 | 2003 | 2003-01-31 | 1.31 | 47.58 | 69000 | El Nino |
| 54 | 2004 | 2004-01-30 | 0.35 | 41.89 | 38100 | Neutral |
| 55 | 2005 | 2005-01-18 | 0.66 | 39.78 | 29600 | El Nino |
| 56 | 2006 | 2006-01-30 | -0.57 | 45.74 | 56200 | La Nina |
| 57 | 2007 | 2006-11-07 | 0.94 | 49.78 | 77300 | El Nino |
| 58 | 2008 | 2007-12-03 | -1.50 | 47.37 | 64300 | La Nina |
| 59 | 2009 | 2009-01-08 | -0.55 | 54.64 | 106000 | La Nina |
| 60 | 2010 | 2009-11-19 | 1.36 | 38.15 | 20900 | El Nino |
| 61 | 2011 | 2011-01-16 | -1.64 | 43.51 | 45300 | La Nina |
| 62 | 2012 | 2011-11-23 | -1.09 | 41.74 | 36900 | La Nina |
| 63 | 2013 | 2012-11-19 | 0.05 | 43.89 | 47000 | Neutral |
| 64 | 2014 | 2014-03-06 | -0.17 | 40.72 | 32300 | Neutral |
| 65 | 2015 | 2015-01-05 | 0.64 | 42.16 | 38500 | El Nino |
| 66 | 2016 | 2015-12-09 | 2.57 | 52.45 | 83700 | El Nino |
| 67 | 2017 | 2017-02-09 | -0.67 | 43.36 | 40000 | La Nina |
| 68 | 2018 | 2017-12-30 | -0.84 | 42.11 | 35100 | La Nina |
| 69 | 2019 | 2019-02-12 | 0.90 | 39.52 | 26000 | El Nino |
