Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-05-28 | -0.60 | 5.60 | 2260 | La Nina |
| 2 | 1952 | 1952-06-07 | 1.04 | 4.42 | 2530 | El Nino |
| 3 | 1953 | 1953-06-15 | 0.04 | 4.78 | 2760 | Neutral |
| 4 | 1954 | 1954-05-21 | 0.84 | 4.68 | 3470 | El Nino |
| 5 | 1955 | 1955-06-13 | -0.73 | 4.32 | 2290 | La Nina |
| 6 | 1956 | 1956-05-22 | -1.67 | 4.72 | 3410 | La Nina |
| 7 | 1957 | 1957-06-06 | -0.43 | 4.66 | 2950 | Neutral |
| 8 | 1958 | 1958-05-23 | 1.53 | 4.38 | 2370 | El Nino |
| 9 | 1959 | 1959-06-07 | 0.50 | 4.65 | 3070 | Neutral |
| 10 | 1960 | 1960-05-13 | 0.05 | 4.55 | 2050 | Neutral |
| 11 | 1961 | 1961-05-26 | 0.12 | 4.99 | 2630 | Neutral |
| 12 | 1962 | 1962-06-13 | -0.19 | 4.75 | 1810 | Neutral |
| 13 | 1963 | 1963-06-03 | -0.31 | 4.87 | 2180 | Neutral |
| 14 | 1964 | 1964-06-07 | 1.37 | 5.28 | 2590 | El Nino |
| 15 | 1965 | 1965-06-13 | -0.82 | 5.71 | 3300 | La Nina |
| 16 | 1966 | 1966-05-27 | 1.97 | 5.21 | 2400 | El Nino |
| 17 | 1967 | 1967-05-29 | -0.18 | 5.30 | 2150 | Neutral |
| 18 | 1968 | 1968-06-07 | -0.34 | 5.44 | 2370 | Neutral |
| 19 | 1969 | 1969-05-28 | 0.73 | 5.41 | 2180 | El Nino |
| 20 | 1970 | 1970-06-05 | 0.81 | 5.84 | 2600 | El Nino |
| 21 | 1971 | 1971-06-23 | -0.86 | 6.35 | 3390 | La Nina |
| 22 | 1972 | 1972-06-02 | -0.96 | 6.28 | 3190 | La Nina |
| 23 | 1973 | 1973-05-20 | 2.09 | 5.14 | 1690 | El Nino |
| 24 | 1974 | 1974-06-15 | -1.95 | 6.27 | 3790 | La Nina |
| 25 | 1975 | 1975-06-08 | -0.75 | 5.54 | 2240 | La Nina |
| 26 | 1978 | 1978-07-13 | 0.81 | 4.05 | 643 | El Nino |
| 27 | 1979 | 1979-03-27 | -0.08 | 5.51 | 2000 | Neutral |
| 28 | 1980 | 1980-05-23 | 0.52 | 5.70 | 2270 | El Nino |
| 29 | 1981 | 1981-06-09 | 0.11 | 6.48 | 4150 | Neutral |
| 30 | 1982 | 1982-06-29 | -0.15 | 6.12 | 3110 | Neutral |
| 31 | 1983 | 1983-05-29 | 2.18 | 6.33 | 5350 | El Nino |
| 32 | 1984 | 1984-05-31 | -1.00 | 6.13 | 2790 | La Nina |
| 33 | 1985 | 1985-05-27 | -0.92 | 5.57 | 1950 | La Nina |
| 34 | 1986 | 1986-06-06 | -0.27 | 6.73 | 3630 | Neutral |
| 35 | 1987 | 1987-04-20 | 1.14 | 5.05 | 1150 | El Nino |
| 36 | 1988 | 1988-05-18 | 1.25 | 5.74 | 1910 | El Nino |
| 37 | 1989 | 1989-05-10 | -1.80 | 6.36 | 2940 | La Nina |
| 38 | 1990 | 1990-06-11 | -0.16 | 4.87 | 1400 | Neutral |
| 39 | 1991 | 1991-06-06 | 0.40 | 5.93 | 2350 | Neutral |
| 40 | 1992 | 1992-05-08 | 1.21 | 5.50 | 1800 | El Nino |
| 41 | 1993 | 1993-05-21 | -0.28 | 6.60 | 3370 | Neutral |
| 42 | 1994 | 1994-05-13 | 0.04 | 5.29 | 1560 | Neutral |
| 43 | 1995 | 1995-06-06 | 1.01 | 6.45 | 3400 | El Nino |
| 44 | 1996 | 1996-06-12 | -1.00 | 7.20 | 4020 | La Nina |
| 45 | 1997 | 1997-06-05 | -0.45 | 7.56 | 4890 | Neutral |
| 46 | 1998 | 1998-05-30 | 2.40 | 6.88 | 3250 | El Nino |
| 47 | 1999 | 1999-05-28 | -1.48 | 7.36 | 4740 | La Nina |
| 48 | 2000 | 2000-05-26 | -1.46 | 6.76 | 3000 | La Nina |
| 49 | 2001 | 2001-05-16 | -0.75 | 6.65 | 2560 | La Nina |
| 50 | 2002 | 2002-05-21 | -0.35 | 6.97 | 3280 | Neutral |
| 51 | 2003 | 2003-05-29 | 1.31 | 6.86 | 3680 | El Nino |
| 52 | 2004 | 2004-05-07 | 0.35 | 5.72 | 2220 | Neutral |
| 53 | 2005 | 2005-05-21 | 0.66 | 6.83 | 3610 | El Nino |
| 54 | 2006 | 2006-05-23 | -0.57 | 7.70 | 5790 | La Nina |
| 55 | 2007 | 2007-05-14 | 0.94 | 6.60 | 2600 | El Nino |
| 56 | 2008 | 2008-05-21 | -1.50 | 7.99 | 3160 | La Nina |
| 57 | 2009 | 2009-05-31 | -0.55 | 7.83 | 2410 | La Nina |
| 58 | 2010 | 2010-06-07 | 1.36 | 7.51 | 2900 | El Nino |
| 59 | 2011 | 2011-06-14 | -1.64 | 7.78 | 3820 | La Nina |
| 60 | 2012 | 2012-05-16 | -1.09 | 6.83 | 2080 | La Nina |
| 61 | 2013 | 2013-05-14 | 0.05 | 7.23 | 2900 | Neutral |
| 62 | 2014 | 2014-05-29 | -0.17 | 7.99 | 2970 | Neutral |
| 63 | 2015 | 2015-05-02 | 0.64 | 7.17 | 1640 | El Nino |
| 64 | 2016 | 2016-05-09 | 2.57 | 7.35 | 2140 | El Nino |
| 65 | 2017 | 2017-06-06 | -0.67 | 8.20 | 3260 | La Nina |
| 66 | 2018 | 2018-05-23 | -0.84 | 8.01 | 3020 | La Nina |
| 67 | 2019 | 2019-05-17 | 0.90 | 7.62 | 2430 | El Nino |
