COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-09-05 08:55 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-09-05 00:0074200    2026-09-05 23:0071888.19
2026-09-04 00:0073400    2026-09-06 05:0070210.87
2026-09-03 00:0073600    2026-09-06 11:0069734.93
2026-09-02 00:0072400    2026-09-06 17:0069832.89
2026-09-01 00:0076500    2026-09-06 23:0070007.57
2026-08-31 00:0069600    2026-09-07 05:0070120.65
2026-08-30 00:0075900    2026-09-07 11:0070161.02
2026-08-29 00:0080400    2026-09-07 17:0070107.42
2026-08-28 00:0077300    2026-09-07 23:0069894.88
2026-08-27 00:0077500    2026-09-08 05:0069560.34
2026-08-26 00:0080400    2026-09-08 11:0069286.38
      2026-09-08 17:0069163.65
      2026-09-08 23:0069146.88
      2026-09-09 05:0069166
      2026-09-09 11:0069169.99
      2026-09-09 17:0069116.26
      2026-09-09 23:0068989.07
      2026-09-10 05:0068800.94
      2026-09-10 11:0068586.72
      2026-09-10 17:0068372.49
      2026-09-10 23:0068167.88
      2026-09-11 05:0067970.31
      2026-09-11 11:0067781.2
      2026-09-11 17:0067599.47
      2026-09-11 23:0067427.45
      2026-09-12 05:0067267.42
      2026-09-12 11:0067129.21
      2026-09-12 17:0067017.24
      2026-09-12 23:0066931.71
      2026-09-13 05:0066860.6
      2026-09-13 11:0066796.75
      2026-09-13 17:0066728.17
      2026-09-13 23:0066642.41
      2026-09-14 05:0066529.67
      2026-09-14 11:0066399.36
      2026-09-14 17:0066263.7
      2026-09-14 23:0066133.05
      2026-09-15 05:0066016.21