COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-06-26 08:36 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-06-26 00:00141400    2026-06-26 23:00138533.34
2026-06-25 00:00134800    2026-06-27 05:00137482.03
2026-06-24 00:00138200    2026-06-27 11:00137706.73
2026-06-23 00:00162500    2026-06-27 17:00138411.53
2026-06-22 00:00110900    2026-06-27 23:00138779.31
2026-06-21 00:00131100    2026-06-28 05:00138668.7
2026-06-20 00:00149700    2026-06-28 11:00138334.87
2026-06-19 00:00147000    2026-06-28 17:00137963.26
2026-06-18 00:00154600    2026-06-28 23:00137687.26
2026-06-17 00:00153900    2026-06-29 05:00137672.88
2026-06-16 00:00142800    2026-06-29 11:00138060.59
      2026-06-29 17:00138793.47
      2026-06-29 23:00139628.62
      2026-06-30 05:00140342.86
      2026-06-30 11:00140932.28
      2026-06-30 17:00141585.07
      2026-06-30 23:00142551.04
      2026-07-01 05:00143563.48
      2026-07-01 11:00143745.21
      2026-07-01 17:00143515.79
      2026-07-01 23:00144148.38
      2026-07-02 05:00145453.7
      2026-07-02 11:00146688.72
      2026-07-02 17:00147504.62
      2026-07-02 23:00147818.53
      2026-07-03 05:00147661.33
      2026-07-03 11:00147146.12
      2026-07-03 17:00146421.74
      2026-07-03 23:00145588.65
      2026-07-04 05:00144710.13
      2026-07-04 11:00143825.84
      2026-07-04 17:00142964.19
      2026-07-04 23:00142140.27
      2026-07-05 05:00141338.73
      2026-07-05 11:00140518.14
      2026-07-05 17:00139143.19
      2026-07-05 23:00136324.54
      2026-07-06 05:00132880.63