COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-04-03 08:23 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-04-03 00:00119200    2026-04-03 23:00120480.69
2026-04-02 00:00117500    2026-04-04 05:00120005.21
2026-04-01 00:00121300    2026-04-04 11:00119555.69
2026-03-31 00:00119400    2026-04-04 17:00119133.25
2026-03-30 00:00127000    2026-04-04 23:00118749.64
2026-03-29 00:00136900    2026-04-05 05:00118409.23
2026-03-28 00:00136900    2026-04-05 11:00118181.85
2026-03-27 00:00145800    2026-04-05 17:00118084.96
2026-03-26 00:00119300    2026-04-05 23:00118100.24
2026-03-25 00:00124300    2026-04-06 05:00118199.42
2026-03-24 00:00131800    2026-04-06 11:00118393.04
      2026-04-06 17:00118650.63
      2026-04-06 23:00118965.96
      2026-04-07 05:00119331.17
      2026-04-07 11:00119746.02
      2026-04-07 17:00120138.64
      2026-04-07 23:00120458.53
      2026-04-08 05:00120690.96
      2026-04-08 11:00120831.76
      2026-04-08 17:00120882.47
      2026-04-08 23:00120864.78
      2026-04-09 05:00120799.09
      2026-04-09 11:00120687.32
      2026-04-09 17:00120551.77
      2026-04-09 23:00120402.01
      2026-04-10 05:00120237.12
      2026-04-10 11:00120055.92
      2026-04-10 17:00119872.28
      2026-04-10 23:00119674.12
      2026-04-11 05:00119472.15
      2026-04-11 11:00119264.69
      2026-04-11 17:00119068.68
      2026-04-11 23:00118868.78
      2026-04-12 05:00118686.28
      2026-04-12 11:00118557.87
      2026-04-12 17:00118452.9
      2026-04-12 23:00118378.78
      2026-04-13 05:00118357.35