COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-10-26 09:50 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-10-26 00:0052600    2026-10-26 17:0061940.29
2026-10-25 00:0057400    2026-10-26 23:0062187.04
2026-10-24 00:0056200    2026-10-27 05:0062227.26
2026-10-23 00:0058200    2026-10-27 11:0062146.93
2026-10-22 00:0060500    2026-10-27 17:0062054.16
2026-10-21 00:0064800    2026-10-27 23:0061918.84
2026-10-20 00:0060100    2026-10-28 05:0061648.62
2026-10-19 00:0060200    2026-10-28 11:0061198.11
2026-10-18 00:0062200    2026-10-28 17:0060656.12
2026-10-17 00:0070900    2026-10-28 23:0060183.63
2026-10-16 00:0065900    2026-10-29 05:0059883.6
      2026-10-29 11:0059751.2
      2026-10-29 17:0059705
      2026-10-29 23:0059648.48
      2026-10-30 05:0059524.23
      2026-10-30 11:0059327.34
      2026-10-30 17:0059082.67
      2026-10-30 23:0058824.32
      2026-10-31 05:0058773.83
      2026-10-31 11:0059437.3
      2026-10-31 17:0060793.44
      2026-11-01 00:0061957.49
      2026-11-01 05:0062417.96
      2026-11-01 11:0062471.07
      2026-11-01 17:0062426.44
      2026-11-01 23:0062358.63
      2026-11-02 05:0062288.41
      2026-11-02 11:0062225.61
      2026-11-02 17:0062168.38
      2026-11-02 23:0062111.67
      2026-11-03 05:0062051.48
      2026-11-03 11:0061987.51
      2026-11-03 17:0061918.67
      2026-11-03 23:0061841.35
      2026-11-04 05:0061749.04
      2026-11-04 11:0061637.06
      2026-11-04 17:0061499.8
      2026-11-04 23:0061330.57
      2026-11-05 05:0061207.63