COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-08-30 08:37 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-08-30 00:0075900    2026-08-30 23:0076858.91
2026-08-29 00:0080400    2026-08-31 05:0076473.35
2026-08-28 00:0077300    2026-08-31 11:0076299.29
2026-08-27 00:0077500    2026-08-31 17:0076231.26
2026-08-26 00:0080400    2026-08-31 23:0076192.33
2026-08-25 00:0081100    2026-09-01 05:0076178.58
2026-08-24 00:0080400    2026-09-01 11:0076232.14
2026-08-23 00:0078100    2026-09-01 17:0076388.05
2026-08-22 00:0081400    2026-09-01 23:0076628.91
2026-08-21 00:0086000    2026-09-02 05:0076889.82
2026-08-20 00:0083500    2026-09-02 11:0077114.03
      2026-09-02 17:0077280.92
      2026-09-02 23:0077414.97
      2026-09-03 05:0077549.74
      2026-09-03 11:0077709.87
      2026-09-03 17:0077885.39
      2026-09-03 23:0078058.25
      2026-09-04 05:0078206.86
      2026-09-04 11:0078326.13
      2026-09-04 17:0078400.8
      2026-09-04 23:0078414.48
      2026-09-05 05:0078362.24
      2026-09-05 11:0078266.01
      2026-09-05 17:0078151.86
      2026-09-05 23:0078038.5
      2026-09-06 05:0077936.85
      2026-09-06 11:0077861.14
      2026-09-06 17:0077812.83
      2026-09-06 23:0077780.54
      2026-09-07 05:0077528.19
      2026-09-07 11:0076591.26
      2026-09-07 17:0075103.38
      2026-09-07 23:0073853.07
      2026-09-08 05:0073189.54
      2026-09-08 11:0072954.04
      2026-09-08 17:0072954.13
      2026-09-08 23:0073025.67
      2026-09-09 05:0073089.42