COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2025-07-03 15:33 PDT
Date/Time (PDT)Pool Height    Date/Time (PDT)Pool Height
2025-07-04 00:001286.05    2025-07-04 05:001286.06
2025-07-03 00:001286.26    2025-07-04 11:001286.13
2025-07-02 00:001286.58    2025-07-04 17:001286.19
2025-07-01 00:001286.53    2025-07-04 23:001286.25
2025-06-30 00:001286.25    2025-07-05 05:001286.31
2025-06-29 00:001286.23    2025-07-05 11:001286.38
2025-06-28 00:001286.16    2025-07-05 17:001286.44
2025-06-27 00:001286.12    2025-07-05 23:001286.5
2025-06-26 00:001286.21    2025-07-06 05:001286.56
2025-06-25 00:001286.06    2025-07-06 11:001286.63
2025-06-24 00:001286.03    2025-07-06 17:001286.69
      2025-07-06 23:001286.75
      2025-07-07 05:001286.81
      2025-07-07 11:001286.88
      2025-07-07 17:001286.94
      2025-07-07 23:001287
      2025-07-08 05:001287.11
      2025-07-08 11:001287.28
      2025-07-08 17:001287.44
      2025-07-08 23:001287.6
      2025-07-09 05:001287.75
      2025-07-09 11:001287.9
      2025-07-09 17:001288.05
      2025-07-09 23:001288.2
      2025-07-10 05:001288.35
      2025-07-10 11:001288.49
      2025-07-10 17:001288.63
      2025-07-10 23:001288.77
      2025-07-11 05:001288.91
      2025-07-11 11:001289.05
      2025-07-11 17:001289.08
      2025-07-11 23:001289.11
      2025-07-12 05:001289.14
      2025-07-12 11:001289.18
      2025-07-12 17:001289.21
      2025-07-12 23:001289.24
      2025-07-13 05:001289.27