COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-08-07 09:45 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-08-08 00:0086500    2026-08-08 05:0086508.99
2026-08-07 00:0086900    2026-08-08 11:0087077.25
2026-08-06 00:0090800    2026-08-08 17:0087565.31
2026-08-05 00:0085600    2026-08-08 23:0087913.65
2026-08-04 00:0089700    2026-08-09 05:0088142.88
2026-08-03 00:0088800    2026-08-09 11:0088282.51
2026-08-02 00:0084100    2026-08-09 17:0088362.93
2026-08-01 00:0099000    2026-08-09 23:0088400.85
2026-07-31 00:0089300    2026-08-10 05:0088381.84
2026-07-30 00:0092800    2026-08-10 11:0088245.33
2026-07-29 00:0084600    2026-08-10 17:0087954.15
      2026-08-10 23:0087555.69
      2026-08-11 05:0087159.93
      2026-08-11 11:0086844
      2026-08-11 17:0086628.35
      2026-08-11 23:0086494.77
      2026-08-12 05:0086421.92
      2026-08-12 11:0086385.11
      2026-08-12 17:0086367.67
      2026-08-12 23:0086358.21
      2026-08-13 05:0086355.61
      2026-08-13 11:0086353.42
      2026-08-13 17:0086346.98
      2026-08-13 23:0086332.73
      2026-08-14 05:0086214.88
      2026-08-14 11:0085810.19
      2026-08-14 17:0085295.81
      2026-08-14 23:0085127.54
      2026-08-15 05:0085320.21
      2026-08-15 11:0085476.63
      2026-08-15 17:0085429.77
      2026-08-15 23:0085318.96
      2026-08-16 05:0085259.64
      2026-08-16 11:0085233.76
      2026-08-16 17:0085216.61
      2026-08-16 23:0085204.03
      2026-08-17 05:0085191.51