Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-04-07 | -0.60 | 6.02 | 3060 | La Nina |
| 2 | 1952 | 1951-12-02 | 1.04 | 7.91 | 5970 | El Nino |
| 3 | 1953 | 1953-01-18 | 0.04 | 8.00 | 4820 | Neutral |
| 4 | 1954 | 1954-01-17 | 0.84 | 7.56 | 4600 | El Nino |
| 5 | 1955 | 1955-04-22 | -0.73 | 5.68 | 3300 | La Nina |
| 6 | 1956 | 1955-12-22 | -1.67 | 13.90 | 10100 | La Nina |
| 7 | 1957 | 1957-02-26 | -0.43 | 9.73 | 7600 | Neutral |
| 8 | 1958 | 1958-02-25 | 1.53 | 9.36 | 7260 | El Nino |
| 9 | 1959 | 1959-04-06 | 0.50 | 4.97 | 2210 | Neutral |
| 10 | 1960 | 1960-03-30 | 0.05 | 7.05 | 4440 | Neutral |
| 11 | 1961 | 1961-02-10 | 0.12 | 5.43 | 2710 | Neutral |
| 12 | 1962 | 1962-02-14 | -0.19 | 5.75 | 2980 | Neutral |
| 13 | 1963 | 1963-02-03 | -0.31 | 8.51 | 6120 | Neutral |
| 14 | 1964 | 1964-04-01 | 1.37 | 7.25 | 4790 | El Nino |
| 15 | 1965 | 1964-12-22 | -0.82 | | | La Nina |
| 16 | 1966 | 1966-03-09 | 1.97 | 5.83 | 3140 | El Nino |
| 17 | 1967 | 1967-01-29 | -0.18 | 10.86 | 7540 | Neutral |
| 18 | 1968 | 1968-02-20 | -0.34 | 9.31 | 5940 | Neutral |
| 19 | 1969 | 1969-04-06 | 0.73 | 7.83 | 4540 | El Nino |
| 20 | 1970 | 1970-01-24 | 0.81 | 9.67 | 7020 | El Nino |
| 21 | 1971 | 1971-03-26 | -0.86 | 9.11 | 7170 | La Nina |
| 22 | 1972 | 1972-02-29 | -0.96 | 9.84 | 8340 | La Nina |
| 23 | 1973 | 1973-01-16 | 2.09 | 9.63 | 8300 | El Nino |
| 24 | 1974 | 1974-01-17 | -1.95 | 9.57 | 8410 | La Nina |
| 25 | 1975 | 1975-05-16 | -0.75 | 7.51 | 5060 | La Nina |
| 26 | 1976 | 1976-04-09 | -1.55 | 6.64 | 4100 | La Nina |
| 27 | 1977 | 1977-05-11 | 0.86 | 4.53 | 310 | El Nino |
| 28 | 1978 | 1977-12-15 | 0.81 | 12.11 | 7560 | El Nino |
| 29 | 1979 | 1979-03-16 | -0.08 | 8.32 | 2680 | Neutral |
| 30 | 1980 | 1980-02-19 | 0.52 | 10.05 | 4670 | El Nino |
| 31 | 1981 | 1980-12-26 | 0.11 | 10.93 | 5750 | Neutral |
| 32 | 1982 | 1982-02-22 | -0.15 | 12.83 | 8400 | Neutral |
| 33 | 1983 | 1983-03-14 | 2.18 | 11.73 | 6790 | El Nino |
| 34 | 1984 | 1984-03-15 | -1.00 | 9.76 | 4320 | La Nina |
| 35 | 1985 | 1985-04-02 | -0.92 | 9.37 | 3750 | La Nina |
| 36 | 1986 | 1986-03-08 | -0.27 | 11.49 | 6390 | Neutral |
| 37 | 1987 | 1987-03-06 | 1.14 | 9.66 | 4280 | El Nino |
| 38 | 1988 | 1988-04-03 | 1.25 | 6.00 | 1230 | El Nino |
| 39 | 1989 | 1989-03-25 | -1.80 | 10.78 | 5490 | La Nina |
| 40 | 1990 | 1990-04-23 | -0.16 | 7.30 | 2050 | Neutral |
| 41 | 1991 | 1991-05-08 | 0.40 | 6.00 | 1830 | Neutral |
| 42 | 1992 | 1992-02-20 | 1.21 | 9.30 | 3810 | El Nino |
| 43 | 1993 | 1993-03-25 | -0.28 | 11.93 | 7000 | Neutral |
| 44 | 1994 | 1994-03-04 | 0.04 | 6.68 | 1720 | Neutral |
| 45 | 1995 | 1995-02-02 | 1.01 | 11.11 | 5870 | El Nino |
| 46 | 1996 | 1996-05-18 | -1.00 | 13.16 | 8850 | La Nina |
| 47 | 1997 | 1997-01-01 | -0.45 | 14.54 | 22800 | Neutral |
| 48 | 1998 | 1998-05-26 | 2.40 | 11.62 | 6580 | El Nino |
| 49 | 1999 | 1999-03-26 | -1.48 | 11.49 | 6460 | La Nina |
| 50 | 2000 | 2000-02-27 | -1.46 | 10.55 | 5280 | La Nina |
| 51 | 2001 | 2001-03-09 | -0.75 | 6.67 | 1580 | La Nina |
| 52 | 2002 | 2002-04-15 | -0.35 | 10.95 | 6280 | Neutral |
| 53 | 2003 | 2003-03-23 | 1.31 | 9.17 | 4050 | El Nino |
| 54 | 2004 | 2004-03-24 | 0.35 | 7.67 | 2600 | Neutral |
| 55 | 2005 | 2005-03-28 | 0.66 | 10.27 | 5440 | El Nino |
| 56 | 2006 | 2005-12-29 | -0.57 | 12.45 | 8540 | La Nina |
| 57 | 2007 | 2006-12-27 | 0.94 | | | El Nino |
| 58 | 2008 | 2008-05-19 | -1.50 | 9.39 | 4370 | La Nina |
| 59 | 2009 | 2009-03-03 | -0.55 | 7.66 | 2640 | La Nina |
| 60 | 2010 | 2010-06-05 | 1.36 | | | El Nino |
| 61 | 2011 | 2011-03-16 | -1.64 | 11.08 | 8000 | La Nina |
| 62 | 2012 | 2012-03-31 | -1.09 | 10.02 | 6350 | La Nina |
| 63 | 2013 | 2012-12-02 | 0.05 | 9.72 | 5910 | Neutral |
| 64 | 2014 | 2014-03-10 | -0.17 | 13.45 | 11100 | Neutral |
| 65 | 2015 | 2015-02-07 | 0.64 | 8.87 | 4710 | El Nino |
| 66 | 2016 | 2016-03-14 | 2.57 | 9.45 | 5430 | El Nino |
| 67 | 2017 | 2017-02-09 | -0.67 | 11.60 | 8270 | La Nina |
| 68 | 2018 | 2018-03-23 | -0.84 | 7.30 | 3010 | La Nina |
| 69 | 2019 | 2019-04-09 | 0.90 | 14.03 | 13100 | El Nino |
