COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-07-10 08:18 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-07-10 00:00123200    2026-07-10 23:00117607.25
2026-07-09 00:00118700    2026-07-11 05:00116024.41
2026-07-08 00:00132900    2026-07-11 11:00113552.27
2026-07-07 00:00137600    2026-07-11 17:00111062.42
2026-07-06 00:00144300    2026-07-11 23:00109527.49
2026-07-05 00:00145100    2026-07-12 05:00108798.32
2026-07-04 00:00148900    2026-07-12 11:00108382.97
2026-07-03 00:00153100    2026-07-12 17:00108070.35
2026-07-02 00:00144600    2026-07-12 23:00107781.79
2026-07-01 00:00133900    2026-07-13 05:00107464.13
2026-06-30 00:00131300    2026-07-13 11:00107092.73
      2026-07-13 17:00106677.96
      2026-07-13 23:00106242.43
      2026-07-14 05:00105786.9
      2026-07-14 11:00105300.56
      2026-07-14 17:00104793.07
      2026-07-14 23:00104305.43
      2026-07-15 05:00103872.47
      2026-07-15 11:00103507.97
      2026-07-15 17:00103210.07
      2026-07-15 23:00102967.47
      2026-07-16 05:00102758.99
      2026-07-16 11:00102567.09
      2026-07-16 17:00102383.75
      2026-07-16 23:00102201.62
      2026-07-17 05:00102017.01
      2026-07-17 11:00101811.84
      2026-07-17 17:00101602.67
      2026-07-17 23:00101402.43
      2026-07-18 05:00101211.43
      2026-07-18 11:00101014.47
      2026-07-18 17:00100820.29
      2026-07-18 23:00100636.36
      2026-07-19 05:00100467.85
      2026-07-19 11:00100312.09
      2026-07-19 17:00100144.66
      2026-07-19 23:0099915.95
      2026-07-20 05:0099649.95