COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-10-28 08:27 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-10-29 00:0057700    2026-10-29 11:0062378.02
2026-10-28 00:0051500    2026-10-29 17:0062237.94
2026-10-27 00:0044200    2026-10-29 23:0062054.37
2026-10-26 00:0052600    2026-10-30 05:0061727.44
2026-10-25 00:0057400    2026-10-30 11:0061189.03
2026-10-24 00:0056200    2026-10-30 17:0060498.05
2026-10-23 00:0058200    2026-10-30 23:0059807.47
2026-10-22 00:0060500    2026-10-31 05:0059424.75
2026-10-21 00:0064800    2026-10-31 11:0059869.55
2026-10-20 00:0060100    2026-10-31 17:0061094.7
2026-10-19 00:0060200    2026-11-01 00:0062186.96
      2026-11-01 05:0062617.96
      2026-11-01 11:0062699.9
      2026-11-01 17:0062756.07
      2026-11-01 23:0062755.54
      2026-11-02 05:0062706.35
      2026-11-02 11:0062650.53
      2026-11-02 17:0062596.9
      2026-11-02 23:0062540.86
      2026-11-03 05:0062480.21
      2026-11-03 11:0062418.15
      2026-11-03 17:0062354.8
      2026-11-03 23:0062284.64
      2026-11-04 05:0062200.82
      2026-11-04 11:0062099.14
      2026-11-04 17:0061972.92
      2026-11-04 23:0061814.36
      2026-11-05 05:0061710.2
      2026-11-05 11:0061903.83
      2026-11-05 17:0062485.37
      2026-11-05 23:0063145.27
      2026-11-06 05:0063552.23
      2026-11-06 11:0063676.71
      2026-11-06 17:0063637.01
      2026-11-06 23:0063535.12
      2026-11-07 05:0063420.87