COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-02-10 09:28 PST
Date/Time (PST)Pool Height    Date/Time (PST)Pool Height
2026-02-11 00:001274.62    2026-02-11 10:001274.16
2026-02-10 00:001275.35    2026-02-11 16:001274
2026-02-09 00:001275.86    2026-02-11 22:001273.84
2026-02-08 00:001275.98    2026-02-12 04:001273.68
2026-02-07 00:001276.14    2026-02-12 10:001273.52
2026-02-06 00:001276.63    2026-02-12 16:001273.35
2026-02-05 00:001276.7    2026-02-12 22:001273.19
2026-02-04 00:001276.9    2026-02-13 04:001273.02
2026-02-03 00:001277.51    2026-02-13 10:001272.86
2026-02-02 00:001277.65    2026-02-13 16:001272.69
2026-02-01 00:001277.71    2026-02-13 22:001272.53
      2026-02-14 04:001272.36
      2026-02-14 10:001272.2
      2026-02-14 16:001272.04
      2026-02-14 22:001271.87
      2026-02-15 04:001271.71
      2026-02-15 10:001271.54
      2026-02-15 16:001271.38
      2026-02-15 22:001271.22
      2026-02-16 04:001271.07
      2026-02-16 10:001270.93
      2026-02-16 16:001270.8
      2026-02-16 22:001270.68
      2026-02-17 04:001270.57
      2026-02-17 10:001270.47
      2026-02-17 16:001270.36
      2026-02-17 22:001270.26
      2026-02-18 04:001270.15
      2026-02-18 10:001270.05
      2026-02-18 16:001269.94
      2026-02-18 22:001269.83
      2026-02-19 04:001269.73
      2026-02-19 10:001269.62
      2026-02-19 16:001269.51
      2026-02-19 22:001269.4
      2026-02-20 04:001269.3