Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1950-11-17 | -0.60 | 10.79 | 14100 | La Nina |
| 2 | 1952 | 1952-02-02 | 1.04 | 8.56 | 9040 | El Nino |
| 3 | 1953 | 1953-01-18 | 0.04 | 12.50 | 21000 | Neutral |
| 4 | 1954 | 1953-11-23 | 0.84 | 11.95 | 18800 | El Nino |
| 5 | 1955 | 1954-12-31 | -0.73 | 8.37 | 8940 | La Nina |
| 6 | 1956 | 1955-12-22 | -1.67 | 14.42 | 20200 | La Nina |
| 7 | 1957 | 1957-03-07 | -0.43 | 10.46 | 10800 | Neutral |
| 8 | 1958 | 1957-12-20 | 1.53 | 11.35 | 12800 | El Nino |
| 9 | 1959 | 1959-01-12 | 0.50 | 11.09 | 12200 | Neutral |
| 10 | 1964 | 1964-01-26 | 1.37 | 9.80 | 12300 | El Nino |
| 11 | 1965 | 1964-12-22 | -0.82 | 16.76 | 43600 | La Nina |
| 12 | 1966 | 1966-03-09 | 1.97 | 10.49 | 14900 | El Nino |
| 13 | 1967 | 1967-01-28 | -0.18 | 9.07 | 9710 | Neutral |
| 14 | 1968 | 1968-02-19 | -0.34 | 10.24 | 13300 | Neutral |
| 15 | 1969 | 1969-01-07 | 0.73 | 11.00 | 16000 | El Nino |
| 16 | 1970 | 1970-01-23 | 0.81 | 11.53 | 15600 | El Nino |
| 17 | 1971 | 1971-01-19 | -0.86 | 12.23 | 20900 | La Nina |
| 18 | 1972 | 1972-01-21 | -0.96 | 15.45 | 36200 | La Nina |
| 19 | 1973 | 1972-12-21 | 2.09 | 9.26 | 11300 | El Nino |
| 20 | 1974 | 1974-01-15 | -1.95 | 14.43 | 31200 | La Nina |
| 21 | 1975 | 1975-01-25 | -0.75 | 9.08 | 11900 | La Nina |
| 22 | 1976 | 1975-12-04 | -1.55 | 11.14 | 18400 | La Nina |
| 23 | 1977 | 1977-03-08 | 0.86 | 5.73 | 4300 | El Nino |
| 24 | 1978 | 1977-12-13 | 0.81 | 10.74 | 17400 | El Nino |
| 25 | 2001 | 2001-04-30 | -0.75 | 4.06 | 3440 | La Nina |
| 26 | 2002 | 2001-12-14 | -0.35 | 17.53 | 9790 | Neutral |
| 27 | 2003 | 2003-02-01 | 1.31 | 20.06 | 16500 | El Nino |
| 28 | 2004 | 2003-12-13 | 0.35 | 18.82 | 13000 | Neutral |
| 29 | 2005 | 2005-03-27 | 0.66 | 17.29 | 8870 | El Nino |
| 30 | 2006 | 2005-12-31 | -0.57 | 21.17 | 16900 | La Nina |
| 31 | 2007 | 2006-11-07 | 0.94 | 21.49 | 17700 | El Nino |
| 32 | 2008 | 2007-12-04 | -1.50 | 19.47 | 13000 | La Nina |
| 33 | 2009 | 2009-01-02 | -0.55 | 23.06 | 24400 | La Nina |
| 34 | 2010 | 2010-03-29 | 1.36 | 17.15 | 8480 | El Nino |
| 35 | 2011 | 2011-01-16 | -1.64 | 20.87 | 16800 | La Nina |
| 36 | 2012 | 2012-01-19 | -1.09 | 23.04 | 24400 | La Nina |
| 37 | 2013 | 2012-11-20 | 0.05 | 20.46 | 15700 | Neutral |
| 38 | 2014 | 2014-02-12 | -0.17 | 17.65 | 9690 | Neutral |
| 39 | 2015 | 2014-12-21 | 0.64 | 17.75 | 9150 | El Nino |
| 40 | 2016 | 2015-12-18 | 2.57 | 20.86 | 17200 | El Nino |
| 41 | 2017 | 2017-02-09 | -0.67 | 18.56 | 10700 | La Nina |
| 42 | 2018 | 2017-10-22 | -0.84 | 18.85 | 11800 | La Nina |
| 43 | 2019 | 2019-04-08 | 0.90 | 19.30 | 12700 | El Nino |
