COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-03-19 10:16 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-03-20 00:0097700    2026-03-20 11:00107447.75
2026-03-19 00:00103400    2026-03-20 17:00108342.74
2026-03-18 00:00103400    2026-03-20 23:00109313.41
2026-03-17 00:00102300    2026-03-21 05:00110449.06
2026-03-16 00:00101800    2026-03-21 11:00111603.07
2026-03-15 00:0097500    2026-03-21 17:00112648.99
2026-03-14 00:00105500    2026-03-21 23:00113496.6
2026-03-13 00:00104300    2026-03-22 05:00114122.11
2026-03-12 00:0090200    2026-03-22 11:00114607.47
2026-03-11 00:0092000    2026-03-22 17:00115055.61
2026-03-10 00:0099800    2026-03-22 23:00115531.68
      2026-03-23 05:00116041.59
      2026-03-23 11:00116585.88
      2026-03-23 17:00117158.17
      2026-03-23 23:00117741.49
      2026-03-24 05:00118299.5
      2026-03-24 11:00118822.63
      2026-03-24 17:00119306.84
      2026-03-24 23:00119768.23
      2026-03-25 05:00120261.79
      2026-03-25 11:00120712.23
      2026-03-25 17:00121144.59
      2026-03-25 23:00121794.98
      2026-03-26 05:00122038.11
      2026-03-26 11:00122276.12
      2026-03-26 17:00122539.45
      2026-03-26 23:00122888.21
      2026-03-27 05:00123353.35
      2026-03-27 11:00123943.08
      2026-03-27 17:00124620.48
      2026-03-27 23:00125340.1
      2026-03-28 05:00125975.04
      2026-03-28 11:00126284.76
      2026-03-28 17:00126126.44
      2026-03-28 23:00125602.78
      2026-03-29 05:00124822.49