COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-04-06 09:54 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-04-07 00:00113600    2026-04-07 05:00112006.18
2026-04-06 00:00108600    2026-04-07 11:00112305.7
2026-04-05 00:00119200    2026-04-07 17:00112619.03
2026-04-04 00:00118500    2026-04-07 23:00112869.5
2026-04-03 00:00119200    2026-04-08 05:00113031.59
2026-04-02 00:00117500    2026-04-08 11:00113112.34
2026-04-01 00:00121300    2026-04-08 17:00113107.5
2026-03-31 00:00119400    2026-04-08 23:00113039.38
2026-03-30 00:00127000    2026-04-09 05:00112926.63
2026-03-29 00:00136900    2026-04-09 11:00112826.15
2026-03-28 00:00136900    2026-04-09 17:00112777.76
      2026-04-09 23:00112772.06
      2026-04-10 05:00112793.08
      2026-04-10 11:00112914.78
      2026-04-10 17:00113173.57
      2026-04-10 23:00113490.68
      2026-04-11 05:00113863.33
      2026-04-11 11:00114299.29
      2026-04-11 17:00114758.18
      2026-04-11 23:00115241.68
      2026-04-12 05:00115768.65
      2026-04-12 11:00116367.41
      2026-04-12 17:00117046.17
      2026-04-12 23:00117816.49
      2026-04-13 05:00118599.23
      2026-04-13 11:00119338.49
      2026-04-13 17:00120005.72
      2026-04-13 23:00120606.61
      2026-04-14 05:00121126.53
      2026-04-14 11:00121588.33
      2026-04-14 17:00122004.37
      2026-04-14 23:00122377.07
      2026-04-15 05:00122710.74
      2026-04-15 11:00123020.23
      2026-04-15 17:00123302.71
      2026-04-15 23:00123560.55
      2026-04-16 05:00123822.92