COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-01-27 08:41 PST
Date/Time (PST)Inflow    Date/Time (PST)Inflow
2026-01-28 00:00121100    2026-01-28 10:00119117.83
2026-01-27 00:00119100    2026-01-28 16:00117916.5
2026-01-26 00:00130800    2026-01-28 22:00116748.64
2026-01-25 00:00126600    2026-01-29 04:00115588.07
2026-01-24 00:00127600    2026-01-29 10:00114480.45
2026-01-23 00:00124000    2026-01-29 16:00113480.61
2026-01-22 00:00135400    2026-01-29 22:00112528.99
2026-01-21 00:00132900    2026-01-30 04:00111621.79
2026-01-20 00:00130000    2026-01-30 10:00110786.33
2026-01-19 00:00131300    2026-01-30 16:00110044.29
2026-01-18 00:00131400    2026-01-30 22:00109391.39
      2026-01-31 04:00108796.19
      2026-01-31 10:00108208.41
      2026-01-31 16:00107571.11
      2026-01-31 22:00106860.75
      2026-02-01 04:00106085.65
      2026-02-01 10:00105325.94
      2026-02-01 16:00104764.07
      2026-02-01 22:00104494.37
      2026-02-02 04:00104425.63
      2026-02-02 10:00104408.03
      2026-02-02 16:00104372.99
      2026-02-02 22:00104355.71
      2026-02-03 04:00104342.64
      2026-02-03 10:00104328.12
      2026-02-03 16:00104309.75
      2026-02-03 22:00104288.43
      2026-02-04 04:00104262.44
      2026-02-04 10:00104237.63
      2026-02-04 16:00104213.11
      2026-02-04 22:00104185.24
      2026-02-05 04:00104148.05
      2026-02-05 10:00104108.27
      2026-02-05 16:00104068.82
      2026-02-05 22:00104029.6
      2026-02-06 04:00103987.33