COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-11-02 08:27 PST
Date/Time (PST)Pool Height    Date/Time (PST)Pool Height
2026-11-02 00:001288.55    2026-11-02 22:001288.9
2026-11-01 00:001288.4    2026-11-03 04:001288.9
2026-10-30 23:001288.55    2026-11-03 10:001288.87
2026-10-29 23:001288.65    2026-11-03 16:001288.81
2026-10-28 23:001288.69    2026-11-03 22:001288.71
2026-10-27 23:001288.64    2026-11-04 04:001288.57
2026-10-26 23:001288.29    2026-11-04 10:001288.42
2026-10-25 23:001288.03    2026-11-04 16:001288.26
2026-10-24 23:001287.76    2026-11-04 22:001288.11
2026-10-23 23:001287.52    2026-11-05 04:001287.96
2026-10-22 23:001287.37    2026-11-05 10:001287.81
      2026-11-05 16:001287.66
      2026-11-05 22:001287.51
      2026-11-06 04:001287.35
      2026-11-06 10:001287.2
      2026-11-06 16:001287.05
      2026-11-06 22:001286.9
      2026-11-07 04:001286.74
      2026-11-07 10:001286.59
      2026-11-07 16:001286.44
      2026-11-07 22:001286.29
      2026-11-08 04:001286.14
      2026-11-08 10:001285.99
      2026-11-08 16:001285.85
      2026-11-08 22:001285.71
      2026-11-09 04:001285.57
      2026-11-09 10:001285.43
      2026-11-09 16:001285.3
      2026-11-09 22:001285.17
      2026-11-10 04:001285.04
      2026-11-10 10:001284.91
      2026-11-10 16:001284.78
      2026-11-10 22:001284.66
      2026-11-11 04:001284.54
      2026-11-11 10:001284.41
      2026-11-11 16:001284.29
      2026-11-11 22:001284.18
      2026-11-12 04:001284.06