Total annual discharge in thousands of acre-feet (KAF) · 51-year record divided into three equal 17-year periods
1975 – 1991
1,191
KAF PERIOD MEAN
Years ≥ 1 MAF: 10 of 17 (59%)
1992 – 2008
1,003
KAF PERIOD MEAN
Years ≥ 1 MAF: 9 of 17 (53%)
2009 – 2025
796
KAF PERIOD MEAN
Years ≥ 1 MAF: 4 of 17 (24%)
Source: USGS NWIS Daily Values · Site 08313000 · Downloaded March 2026 · Conversion: 1 CFS·day = 1.9835 acre-feet