Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-11 | -0.60 | 16.72 | 1330 | La Nina |
| 2 | 1952 | 1951-10-24 | 1.04 | 16.06 | 606 | El Nino |
| 3 | 1953 | 1953-02-03 | 0.04 | 17.07 | 1440 | Neutral |
| 4 | 1954 | 1953-12-20 | 0.84 | 16.31 | 678 | El Nino |
| 5 | 1955 | 1955-04-10 | -0.73 | 15.90 | 410 | La Nina |
| 6 | 1956 | 1955-12-22 | -1.67 | 17.02 | 1300 | La Nina |
| 7 | 1957 | 1956-12-11 | -0.43 | 16.86 | 874 | Neutral |
| 8 | 1958 | 1958-04-20 | 1.53 | 17.67 | 1380 | El Nino |
| 9 | 1959 | 1958-12-11 | 0.50 | 16.98 | 924 | Neutral |
| 10 | 1960 | 1960-03-30 | 0.05 | 16.28 | 386 | Neutral |
| 11 | 1961 | 1961-02-21 | 0.12 | 17.25 | 1050 | Neutral |
| 12 | 1962 | 1962-03-27 | -0.19 | 16.96 | 642 | Neutral |
| 13 | 1963 | 1963-02-04 | -0.31 | 16.42 | 430 | Neutral |
| 14 | 1964 | 1964-04-01 | 1.37 | 16.93 | 655 | El Nino |
| 15 | 1965 | 1965-01-29 | -0.82 | 18.72 | 3680 | La Nina |
| 16 | 1966 | 1966-03-30 | 1.97 | 15.63 | 394 | El Nino |
| 17 | 1967 | 1967-01-28 | -0.18 | 16.16 | 610 | Neutral |
| 18 | 1968 | 1967-12-25 | -0.34 | 17.14 | 1140 | Neutral |
| 19 | 1969 | 1969-01-06 | 0.73 | 18.24 | 2400 | El Nino |
| 20 | 1970 | 1970-01-19 | 0.81 | 16.94 | 1210 | El Nino |
| 21 | 1971 | 1971-01-19 | -0.86 | 17.50 | 1590 | La Nina |
| 22 | 1972 | 1972-01-21 | -0.96 | 16.95 | 1140 | La Nina |
| 23 | 1973 | 1972-12-21 | 2.09 | 16.05 | 565 | El Nino |
| 24 | 1974 | 1974-01-16 | -1.95 | 17.17 | 1360 | La Nina |
| 25 | 1975 | 1975-01-25 | -0.75 | 17.65 | 1740 | La Nina |
| 26 | 1976 | 1975-12-07 | -1.55 | 17.92 | 1980 | La Nina |
| 27 | 1977 | 1977-03-09 | 0.86 | 15.42 | 320 | El Nino |
| 28 | 1978 | 1977-12-02 | 0.81 | 17.51 | 1620 | El Nino |
| 29 | 1979 | 1979-02-13 | -0.08 | 16.58 | 932 | Neutral |
| 30 | 1980 | 1980-01-14 | 0.52 | 15.76 | 427 | El Nino |
| 31 | 1981 | 1980-12-26 | 0.11 | 17.59 | 1580 | Neutral |
| 32 | 1982 | 1982-02-14 | -0.15 | 17.61 | 1580 | Neutral |
| 33 | 1983 | 1983-01-06 | 2.18 | 17.26 | 1300 | El Nino |
| 34 | 1984 | 1984-01-25 | -1.00 | 16.42 | 687 | La Nina |
| 35 | 1985 | 1985-04-11 | -0.92 | 13.92 | 414 | La Nina |
| 36 | 1986 | 1986-02-23 | -0.27 | 18.24 | 2140 | Neutral |
| 37 | 1987 | 1986-11-28 | 1.14 | 15.46 | 336 | El Nino |
| 38 | 1988 | 1988-01-15 | 1.25 | 15.64 | 402 | El Nino |
| 39 | 1989 | 1989-01-09 | -1.80 | 16.57 | 833 | La Nina |
| 40 | 1990 | 1990-04-27 | -0.16 | 15.65 | 410 | Neutral |
| 41 | 1991 | 1991-01-15 | 0.40 | 16.47 | 780 | Neutral |
| 42 | 1992 | 1991-12-06 | 1.21 | 16.88 | 1010 | El Nino |
| 43 | 1993 | 1993-05-04 | -0.28 | 16.52 | 802 | Neutral |
| 44 | 1994 | 1994-03-02 | 0.04 | 15.98 | 525 | Neutral |
| 45 | 1995 | 1995-02-01 | 1.01 | 16.74 | 1140 | El Nino |
| 46 | 1996 | 1996-02-09 | -1.00 | 20.43 | 6350 | La Nina |
| 47 | 1997 | 1997-01-01 | -0.45 | 18.40 | 2510 | Neutral |
| 48 | 1998 | 1997-12-17 | 2.40 | 15.77 | 428 | El Nino |
| 49 | 1999 | 1999-01-15 | -1.48 | 16.49 | 903 | La Nina |
| 50 | 2002 | 2002-02-24 | -0.35 | 17.05 | 1380 | Neutral |
| 51 | 2003 | 2003-02-01 | 1.31 | 17.61 | 1950 | El Nino |
| 52 | 2004 | 2004-01-29 | 0.35 | 17.45 | 1780 | Neutral |
| 53 | 2005 | 2005-03-28 | 0.66 | 15.87 | 487 | El Nino |
| 54 | 2006 | 2006-04-06 | -0.57 | 16.10 | 632 | La Nina |
| 55 | 2007 | 2006-11-07 | 0.94 | 16.37 | 814 | El Nino |
| 56 | 2008 | 2008-06-12 | -1.50 | 15.99 | 531 | La Nina |
| 57 | 2009 | 2009-01-08 | -0.55 | 17.81 | 2180 | La Nina |
| 58 | 2010 | 2010-06-03 | 1.36 | 16.38 | 822 | El Nino |
| 59 | 2011 | 2011-01-16 | -1.64 | 17.54 | 1870 | La Nina |
| 60 | 2012 | 2011-12-30 | -1.09 | 16.73 | 1090 | La Nina |
| 61 | 2013 | 2013-04-20 | 0.05 | 17.02 | 1290 | Neutral |
| 62 | 2014 | 2014-03-10 | -0.17 | 16.75 | 1050 | Neutral |
| 63 | 2015 | 2015-02-10 | 0.64 | 17.05 | 1310 | El Nino |
| 64 | 2016 | 2016-02-15 | 2.57 | 16.08 | 579 | El Nino |
| 65 | 2017 | 2017-03-16 | -0.67 | 17.14 | 1400 | La Nina |
