COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-10-31 10:08 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-10-31 00:0059200    2026-11-01 00:0064979.87
2026-10-30 00:0059000    2026-11-01 05:0066515.61
2026-10-29 00:0057700    2026-11-01 11:0068978.88
2026-10-28 00:0051500    2026-11-01 17:0072562.3
2026-10-27 00:0044200    2026-11-01 23:0075330.48
2026-10-26 00:0052600    2026-11-02 05:0076330.4
2026-10-25 00:0057400    2026-11-02 11:0076449.37
2026-10-24 00:0056200    2026-11-02 17:0076401.85
2026-10-23 00:0058200    2026-11-02 23:0076337.08
2026-10-22 00:0060500    2026-11-03 05:0076266.5
2026-10-21 00:0064800    2026-11-03 11:0076192.61
      2026-11-03 17:0076118.15
      2026-11-03 23:0076042.4
      2026-11-04 05:0075963.28
      2026-11-04 11:0075878.11
      2026-11-04 17:0075777.38
      2026-11-04 23:0075660.01
      2026-11-05 05:0075528.61
      2026-11-05 11:0075361.32
      2026-11-05 17:0075106.46
      2026-11-05 23:0074741.35
      2026-11-06 05:0074316.13
      2026-11-06 11:0073919.83
      2026-11-06 17:0073611.64
      2026-11-06 23:0073404.12
      2026-11-07 05:0073279.03
      2026-11-07 11:0073220.67
      2026-11-07 17:0073234.41
      2026-11-07 23:0073284.51
      2026-11-08 05:0073287.42
      2026-11-08 11:0073202.33
      2026-11-08 17:0073054.77
      2026-11-08 23:0072884.68
      2026-11-09 05:0072704.73
      2026-11-09 11:0072513.25
      2026-11-09 17:0072313.58
      2026-11-09 23:0072116.53
      2026-11-10 05:0071935.47