Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-05-28 | -0.60 | 4.84 | 946 | La Nina |
| 2 | 1952 | 1952-06-06 | 1.04 | 5.31 | 1240 | El Nino |
| 3 | 1953 | 1953-06-19 | 0.04 | 4.61 | 833 | Neutral |
| 4 | 1954 | 1954-05-21 | 0.84 | 4.90 | 978 | El Nino |
| 5 | 1955 | 1955-06-12 | -0.73 | 4.44 | 703 | La Nina |
| 6 | 1956 | 1956-05-24 | -1.67 | 6.44 | 1620 | La Nina |
| 7 | 1957 | 1957-06-04 | -0.43 | 5.55 | 1200 | Neutral |
| 8 | 1958 | 1958-05-21 | 1.53 | | | El Nino |
| 9 | 1959 | 1959-05-14 | 0.50 | 4.36 | 647 | Neutral |
| 10 | 1960 | 1960-05-12 | 0.05 | 4.30 | 611 | Neutral |
| 11 | 1961 | 1961-05-30 | 0.12 | 4.15 | 454 | Neutral |
| 12 | 1962 | 1962-06-21 | -0.19 | 4.68 | 655 | Neutral |
| 13 | 1963 | 1963-05-24 | -0.31 | 4.74 | 857 | Neutral |
| 14 | 1964 | 1964-06-07 | 1.37 | 4.84 | 733 | El Nino |
| 15 | 1965 | 1965-06-12 | -0.82 | 6.01 | 1450 | La Nina |
| 16 | 1966 | 1966-05-30 | 1.97 | 3.97 | 455 | El Nino |
| 17 | 1967 | 1967-05-24 | -0.18 | 5.92 | 1690 | Neutral |
| 18 | 1968 | 1968-06-03 | -0.34 | 4.01 | 471 | Neutral |
| 19 | 1969 | 1969-05-27 | 0.73 | 5.36 | 1360 | El Nino |
| 20 | 1970 | 1970-06-09 | 0.81 | 4.90 | 1030 | El Nino |
| 21 | 1971 | 1971-06-22 | -0.86 | 5.50 | 1460 | La Nina |
| 22 | 2011 | 2011-06-24 | -1.64 | 7.61 | 952 | La Nina |
| 23 | 2012 | 2012-04-26 | -1.09 | 8.74 | 1830 | La Nina |
| 24 | 2013 | 2013-05-14 | 0.05 | 6.87 | 637 | Neutral |
| 25 | 2014 | 2014-05-29 | -0.17 | 6.75 | 559 | Neutral |
| 26 | 2015 | 2015-06-01 | 0.64 | 6.45 | 439 | El Nino |
| 27 | 2016 | 2016-06-06 | 2.57 | 7.17 | 731 | El Nino |
| 28 | 2017 | 2017-05-07 | -0.67 | | | La Nina |
| 29 | 2018 | 2018-05-27 | -0.84 | 7.35 | 909 | La Nina |
| 30 | 2019 | 2019-06-06 | 0.90 | 7.49 | 1030 | El Nino |
