COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-07-24 09:11 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-07-25 00:0092000    2026-07-25 05:0093128.55
2026-07-24 00:0095400    2026-07-25 11:0092987.98
2026-07-23 00:0098000    2026-07-25 17:0093282.85
2026-07-22 00:0092900    2026-07-25 23:0093423.61
2026-07-21 00:0095200    2026-07-26 05:0093248.79
2026-07-20 00:0093300    2026-07-26 11:0093030.09
2026-07-19 00:0087700    2026-07-26 17:0092902.79
2026-07-18 00:0097400    2026-07-26 23:0092849.11
2026-07-17 00:0089200    2026-07-27 05:0092853.17
2026-07-16 00:00104200    2026-07-27 11:0092917.53
2026-07-15 00:00101900    2026-07-27 17:0093061.31
      2026-07-27 23:0093259.94
      2026-07-28 05:0093459.77
      2026-07-28 11:0093613.3
      2026-07-28 17:0093722.31
      2026-07-28 23:0093798.92
      2026-07-29 05:0093853.84
      2026-07-29 11:0093885.21
      2026-07-29 17:0093903.44
      2026-07-29 23:0093906.23
      2026-07-30 05:0093887.86
      2026-07-30 11:0093852.99
      2026-07-30 17:0093850.87
      2026-07-30 23:0093911.54
      2026-07-31 05:0094021.22
      2026-07-31 11:0094146.57
      2026-07-31 17:0094283.07
      2026-07-31 23:0094425.95
      2026-08-01 05:0094702.32
      2026-08-01 11:0095411.1
      2026-08-01 17:0096479.15
      2026-08-01 23:0097202.29
      2026-08-02 05:0097414.48
      2026-08-02 11:0097436.23
      2026-08-02 17:0097414.77
      2026-08-02 23:0097358.12
      2026-08-03 05:0097270.48