COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-11-10 07:41 PST
Date/Time (PST)Pool Height    Date/Time (PST)Pool Height
2026-11-10 00:001287.15    2026-11-10 10:001286.56
2026-11-09 00:001287.51    2026-11-10 16:001286.44
2026-11-08 00:001287.71    2026-11-10 22:001286.32
2026-11-07 00:001287.92    2026-11-11 04:001286.18
2026-11-06 00:001288.29    2026-11-11 10:001286.04
2026-11-05 00:001288.83    2026-11-11 16:001285.88
2026-11-04 00:001289.12    2026-11-11 22:001285.72
2026-11-03 00:001288.93    2026-11-12 04:001285.56
2026-11-02 00:001288.55    2026-11-12 10:001285.39
2026-11-01 00:001288.4    2026-11-12 16:001285.21
2026-10-30 23:001288.55    2026-11-12 22:001285.03
      2026-11-13 04:001284.85
      2026-11-13 10:001284.66
      2026-11-13 16:001284.47
      2026-11-13 22:001284.29
      2026-11-14 04:001284.1
      2026-11-14 10:001283.91
      2026-11-14 16:001283.72
      2026-11-14 22:001283.53
      2026-11-15 04:001283.34
      2026-11-15 10:001283.15
      2026-11-15 16:001282.96
      2026-11-15 22:001282.77
      2026-11-16 04:001282.58
      2026-11-16 10:001282.4
      2026-11-16 16:001282.23
      2026-11-16 22:001282.07
      2026-11-17 04:001281.91
      2026-11-17 10:001281.76
      2026-11-17 16:001281.61
      2026-11-17 22:001281.46
      2026-11-18 04:001281.31
      2026-11-18 10:001281.16
      2026-11-18 16:001281
      2026-11-18 22:001280.85
      2026-11-19 04:001280.69
      2026-11-19 10:001280.54
      2026-11-19 16:001280.38
      2026-11-19 22:001280.22
      2026-11-20 04:001280.06