Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1950-11-16 | -0.60 | 8.89 | 7100 | La Nina |
| 2 | 1952 | 1951-12-03 | 1.04 | 8.40 | 5860 | El Nino |
| 3 | 1953 | 1953-01-18 | 0.04 | 8.56 | 6250 | Neutral |
| 4 | 1954 | 1954-01-28 | 0.84 | 8.69 | 6580 | El Nino |
| 5 | 1955 | 1955-01-01 | -0.73 | 7.74 | 4670 | La Nina |
| 6 | 1956 | 1955-12-22 | -1.67 | 10.26 | 11000 | La Nina |
| 7 | 1957 | 1957-03-13 | -0.43 | 8.04 | 5290 | Neutral |
| 8 | 1958 | 1957-12-28 | 1.53 | 8.25 | 5750 | El Nino |
| 9 | 1959 | 1959-01-16 | 0.50 | 8.75 | 6900 | Neutral |
| 10 | 1960 | 1960-03-10 | 0.05 | 8.04 | 5200 | Neutral |
| 11 | 1961 | 1961-02-11 | 0.12 | 8.83 | 6980 | Neutral |
| 12 | 1962 | 1962-03-25 | -0.19 | 8.63 | 6460 | Neutral |
| 13 | 1963 | 1963-05-06 | -0.31 | 8.65 | 6510 | Neutral |
| 14 | 1964 | 1964-01-19 | 1.37 | 8.85 | 7030 | El Nino |
| 15 | 1965 | 1964-12-26 | -0.82 | 10.06 | 9520 | La Nina |
| 16 | 1966 | 1966-01-05 | 1.97 | 9.47 | 8870 | El Nino |
| 17 | 1967 | 1966-12-06 | -0.18 | 8.27 | 5230 | Neutral |
| 18 | 1968 | 1968-01-16 | -0.34 | 8.18 | 5040 | Neutral |
| 19 | 1969 | 1969-02-09 | 0.73 | 8.67 | 6220 | El Nino |
| 20 | 1970 | 1970-01-26 | 0.81 | 9.03 | 7190 | El Nino |
| 21 | 1971 | 1971-01-15 | -0.86 | 8.82 | 6600 | La Nina |
| 22 | 1972 | 1972-01-21 | -0.96 | 9.59 | 7920 | La Nina |
| 23 | 1973 | 1972-12-22 | 2.09 | 8.05 | 4700 | El Nino |
| 24 | 1974 | 1974-01-15 | -1.95 | 10.42 | 10500 | La Nina |
| 25 | 1975 | 1975-01-10 | -0.75 | 8.30 | 5250 | La Nina |
| 26 | 1976 | 1976-01-14 | -1.55 | 8.56 | 5820 | La Nina |
| 27 | 1977 | 1976-10-12 | 0.86 | 5.94 | 1380 | El Nino |
| 28 | 1978 | 1977-12-17 | 0.81 | 8.73 | 6210 | El Nino |
| 29 | 1979 | 1979-02-07 | -0.08 | 7.52 | 3740 | Neutral |
| 30 | 1980 | 1979-12-04 | 0.52 | 8.12 | 4880 | El Nino |
| 31 | 1981 | 1980-12-25 | 0.11 | 8.59 | 5890 | Neutral |
| 32 | 1982 | 1981-12-06 | -0.15 | 9.47 | 7990 | Neutral |
| 33 | 1983 | 1983-02-18 | 2.18 | 8.75 | 6260 | El Nino |
| 34 | 1984 | 1984-02-13 | -1.00 | 8.64 | 6000 | La Nina |
| 35 | 1985 | 1984-11-12 | -0.92 | 8.90 | 6610 | La Nina |
| 36 | 1986 | 1986-02-22 | -0.27 | 9.17 | 7260 | Neutral |
| 37 | 1987 | 1987-02-02 | 1.14 | 8.31 | 5270 | El Nino |
| 38 | 1988 | 1988-01-14 | 1.25 | 8.87 | 6530 | El Nino |
| 39 | 1989 | 1989-01-10 | -1.80 | 7.53 | 3750 | La Nina |
| 40 | 1990 | 1990-01-08 | -0.16 | 7.98 | 4590 | Neutral |
| 41 | 1991 | 1991-03-04 | 0.40 | 7.75 | 4150 | Neutral |
| 42 | 1992 | 1992-02-22 | 1.21 | 7.31 | 3370 | El Nino |
| 43 | 1993 | 1993-01-22 | -0.28 | 8.05 | 4730 | Neutral |
| 44 | 1994 | 1993-12-11 | 0.04 | 7.52 | 3730 | Neutral |
| 45 | 1995 | 1995-01-14 | 1.01 | 8.76 | 6280 | El Nino |
| 46 | 1996 | 1996-02-07 | -1.00 | 10.08 | 9560 | La Nina |
| 47 | 1997 | 1996-11-19 | -0.45 | 9.04 | 6940 | Neutral |
| 48 | 1998 | 1998-01-15 | 2.40 | 7.81 | 4260 | El Nino |
| 49 | 1999 | 1998-12-28 | -1.48 | 9.33 | 7610 | La Nina |
| 50 | 2000 | 2000-01-24 | -1.46 | 8.11 | 4880 | La Nina |
| 51 | 2001 | 2000-12-24 | -0.75 | 6.43 | 2000 | La Nina |
| 52 | 2002 | 2002-01-25 | -0.35 | 8.42 | 5520 | Neutral |
| 53 | 2003 | 2002-12-31 | 1.31 | 8.71 | 6160 | El Nino |
| 54 | 2004 | 2003-12-29 | 0.35 | 8.09 | 4840 | Neutral |
| 55 | 2005 | 2005-03-29 | 0.66 | 7.31 | 3350 | El Nino |
| 56 | 2006 | 2006-01-18 | -0.57 | 9.54 | 8090 | La Nina |
| 57 | 2007 | 2007-01-03 | 0.94 | 8.64 | 5970 | El Nino |
| 58 | 2008 | 2008-01-31 | -1.50 | 8.06 | 4750 | La Nina |
| 59 | 2009 | 2009-01-08 | -0.55 | 7.12 | 3030 | La Nina |
| 60 | 2010 | 2010-04-02 | 1.36 | 7.55 | 3780 | El Nino |
| 61 | 2011 | 2010-12-20 | -1.64 | 7.64 | 3940 | La Nina |
| 62 | 2012 | 2012-01-19 | -1.09 | 8.93 | 6620 | La Nina |
| 63 | 2013 | 2012-12-20 | 0.05 | 8.14 | 4910 | Neutral |
| 64 | 2014 | 2014-02-19 | -0.17 | 8.22 | 5070 | Neutral |
| 65 | 2015 | 2014-12-24 | 0.64 | 7.88 | 4390 | El Nino |
| 66 | 2016 | 2015-12-18 | 2.57 | 8.41 | 5470 | El Nino |
| 67 | 2017 | 2017-02-16 | -0.67 | 8.42 | 5490 | La Nina |
| 68 | 2018 | 2018-01-26 | -0.84 | 7.02 | 2870 | La Nina |
| 69 | 2019 | 2019-04-08 | 0.90 | 9.11 | 7040 | El Nino |
