COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-04-08 09:11 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-04-08 00:00112200    2026-04-09 05:00114555.54
2026-04-07 00:00113600    2026-04-09 11:00114512.79
2026-04-06 00:00114800    2026-04-09 17:00114452.79
2026-04-05 00:00119200    2026-04-09 23:00114363.39
2026-04-04 00:00118500    2026-04-10 05:00114272.45
2026-04-03 00:00119200    2026-04-10 11:00114267.09
2026-04-02 00:00117500    2026-04-10 17:00114400.72
2026-04-01 00:00121300    2026-04-10 23:00114584.37
2026-03-31 00:00119400    2026-04-11 05:00114808.87
2026-03-30 00:00127000    2026-04-11 11:00115120.73
2026-03-29 00:00136900    2026-04-11 17:00115534.63
      2026-04-11 23:00116083.05
      2026-04-12 05:00116800.67
      2026-04-12 11:00117683
      2026-04-12 17:00118684.75
      2026-04-12 23:00119735.39
      2026-04-13 05:00120726.29
      2026-04-13 11:00121593.95
      2026-04-13 17:00122348.4
      2026-04-13 23:00122988.6
      2026-04-14 05:00123533.7
      2026-04-14 11:00124020.68
      2026-04-14 17:00124470.36
      2026-04-14 23:00124888.61
      2026-04-15 05:00125258.8
      2026-04-15 11:00125570.66
      2026-04-15 17:00125827.02
      2026-04-15 23:00126051.24
      2026-04-16 05:00126259.16
      2026-04-16 11:00126462.3
      2026-04-16 17:00126653.37
      2026-04-16 23:00126821.49
      2026-04-17 05:00126950.2
      2026-04-17 11:00127188.46
      2026-04-17 17:00128213.24
      2026-04-17 23:00129822.3
      2026-04-18 05:00129823.3