Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-11 | -0.60 | 7.23 | 3550 | La Nina |
| 2 | 1952 | 1952-04-04 | 1.04 | 4.92 | 1460 | El Nino |
| 3 | 1953 | 1953-01-31 | 0.04 | 6.33 | 2660 | Neutral |
| 4 | 1954 | 1953-12-09 | 0.84 | 8.84 | 5470 | El Nino |
| 5 | 1955 | 1955-02-08 | -0.73 | 7.35 | 3440 | La Nina |
| 6 | 1956 | 1955-12-11 | -1.67 | 9.78 | 6850 | La Nina |
| 7 | 1957 | 1956-12-09 | -0.43 | 6.74 | 2750 | Neutral |
| 8 | 1958 | 1958-01-17 | 1.53 | 5.38 | 1710 | El Nino |
| 9 | 1959 | 1958-11-12 | 0.50 | 6.89 | 3160 | Neutral |
| 10 | 1960 | 1959-11-20 | 0.05 | 7.56 | 3900 | Neutral |
| 11 | 1961 | 1960-11-24 | 0.12 | 7.05 | 3340 | Neutral |
| 12 | 1962 | 1961-12-24 | -0.19 | 5.44 | 1760 | Neutral |
| 13 | 1963 | 1963-02-03 | -0.31 | 7.47 | 3850 | Neutral |
| 14 | 1964 | 1964-01-25 | 1.37 | 7.09 | 3380 | El Nino |
| 15 | 1965 | 1965-01-29 | -0.82 | 9.48 | 6400 | La Nina |
| 16 | 1966 | 1966-01-06 | 1.97 | 4.09 | 985 | El Nino |
| 17 | 1967 | 1967-01-28 | -0.18 | 4.71 | 1390 | Neutral |
| 18 | 1968 | 1967-12-25 | -0.34 | 6.14 | 2840 | Neutral |
| 19 | 1969 | 1969-01-07 | 0.73 | 6.58 | 3060 | El Nino |
| 20 | 1970 | 1970-01-20 | 0.81 | 5.74 | 1890 | El Nino |
| 21 | 1971 | 1971-01-19 | -0.86 | 6.50 | 2710 | La Nina |
| 22 | 1972 | 1972-03-05 | -0.96 | 7.10 | 3410 | La Nina |
| 23 | 1973 | 1972-12-21 | 2.09 | 6.20 | 2350 | El Nino |
| 24 | 1974 | 1974-01-16 | -1.95 | 7.74 | 4310 | La Nina |
| 25 | 1975 | 1975-01-18 | -0.75 | 8.28 | 5020 | La Nina |
| 26 | 1976 | 1975-12-02 | -1.55 | 7.82 | 4380 | La Nina |
| 27 | 1977 | 1977-01-18 | 0.86 | 4.28 | 710 | El Nino |
| 28 | 1978 | 1977-12-02 | 0.81 | 7.33 | 3700 | El Nino |
| 29 | 1979 | 1979-02-06 | -0.08 | 6.55 | 2770 | Neutral |
| 30 | 1988 | 1987-12-09 | 1.25 | 30.48 | 2190 | El Nino |
| 31 | 1989 | 1988-10-16 | -1.80 | 30.67 | 2440 | La Nina |
| 32 | 1990 | 1990-01-09 | -0.16 | 33.55 | 5930 | Neutral |
| 33 | 1991 | 1991-02-19 | 0.40 | 33.16 | 5390 | Neutral |
| 34 | 1992 | 1991-11-25 | 1.21 | 30.06 | 1700 | El Nino |
| 35 | 1993 | 1993-01-25 | -0.28 | 30.92 | 2630 | Neutral |
| 36 | 1994 | 1994-03-03 | 0.04 | 29.82 | 1500 | Neutral |
| 37 | 1995 | 1995-02-19 | 1.01 | 31.05 | 2680 | El Nino |
| 38 | 1996 | 1996-02-08 | -1.00 | 35.14 | 8170 | La Nina |
| 39 | 1997 | 1996-12-30 | -0.45 | 31.70 | 3490 | Neutral |
| 40 | 1998 | 1997-10-30 | 2.40 | 32.01 | 2960 | El Nino |
| 41 | 1999 | 1998-12-28 | -1.48 | 31.85 | 3680 | La Nina |
| 42 | 2000 | 1999-11-25 | -1.46 | 32.61 | 4650 | La Nina |
| 43 | 2001 | 2001-06-11 | -0.75 | 29.76 | 1350 | La Nina |
| 44 | 2002 | 2002-04-14 | -0.35 | 30.48 | 2100 | Neutral |
| 45 | 2003 | 2003-01-31 | 1.31 | 31.61 | 3390 | El Nino |
| 46 | 2004 | 2004-01-29 | 0.35 | 30.47 | 2070 | Neutral |
| 47 | 2005 | 2005-01-18 | 0.66 | 31.71 | 3510 | El Nino |
| 48 | 2006 | 2006-01-11 | -0.57 | 31.28 | 2990 | La Nina |
| 49 | 2007 | 2006-11-07 | 0.94 | 34.01 | 6540 | El Nino |
| 50 | 2008 | 2007-12-03 | -1.50 | 29.59 | 1370 | La Nina |
| 51 | 2009 | 2009-01-07 | -0.55 | 36.02 | 9480 | La Nina |
| 52 | 2010 | 2010-05-28 | 1.36 | 29.66 | 1670 | El Nino |
| 53 | 2011 | 2011-01-16 | -1.64 | 30.52 | 2570 | La Nina |
| 54 | 2012 | 2012-02-22 | -1.09 | 30.15 | 2140 | La Nina |
| 55 | 2013 | 2013-09-30 | 0.05 | 27.88 | 1730 | Neutral |
| 56 | 2014 | 2014-03-09 | -0.17 | 29.07 | 2500 | Neutral |
| 57 | 2015 | 2014-11-25 | 0.64 | 30.75 | 3830 | El Nino |
| 58 | 2016 | 2015-10-31 | 2.57 | 32.09 | 5060 | El Nino |
| 59 | 2017 | 2017-02-09 | -0.67 | 29.29 | 2630 | La Nina |
| 60 | 2018 | 2017-10-22 | -0.84 | 30.63 | 3960 | La Nina |
| 61 | 2019 | 2018-12-29 | 0.90 | 28.04 | 1600 | El Nino |
