COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2025-05-08 14:41 PDT
Date/Time (PDT)Pool Height    Date/Time (PDT)Pool Height
2025-05-09 00:001265.34    2025-05-09 05:001265.19
2025-05-08 00:001265.35    2025-05-09 11:001265.12
2025-05-07 00:001265.59    2025-05-09 17:001265.05
2025-05-06 00:001265.48    2025-05-09 23:001265
2025-05-05 00:001265.01    2025-05-10 05:001264.94
2025-05-04 00:001264.18    2025-05-10 11:001264.89
2025-05-03 00:001263.75    2025-05-10 17:001264.85
2025-05-02 00:001264.19    2025-05-10 23:001264.81
2025-05-01 00:001264.88    2025-05-11 05:001264.78
2025-04-30 00:001265.52    2025-05-11 11:001264.75
2025-04-29 00:001265.87    2025-05-11 17:001264.72
      2025-05-11 23:001264.69
      2025-05-12 05:001264.67
      2025-05-12 11:001264.66
      2025-05-12 17:001264.66
      2025-05-12 23:001264.69
      2025-05-13 05:001264.73
      2025-05-13 11:001264.81
      2025-05-13 17:001264.9
      2025-05-13 23:001265
      2025-05-14 05:001265.12
      2025-05-14 11:001265.24
      2025-05-14 17:001265.36
      2025-05-14 23:001265.49
      2025-05-15 05:001265.61
      2025-05-15 11:001265.74
      2025-05-15 17:001265.87
      2025-05-15 23:001265.99
      2025-05-16 05:001266.11
      2025-05-16 11:001266.22
      2025-05-16 17:001266.33
      2025-05-16 23:001266.43
      2025-05-17 05:001266.53
      2025-05-17 11:001266.62
      2025-05-17 17:001266.71
      2025-05-17 23:001266.8
      2025-05-18 05:001266.89