COLUMBIA--GRAND COULEE DAM (GCDW1)

Observed    Forecast/Trend Issued: 2026-08-14 08:27 PDT
Date/Time (PDT)Inflow    Date/Time (PDT)Inflow
2026-08-15 00:0083200    2026-08-15 11:0082198.09
2026-08-14 00:0085400    2026-08-15 17:0080131.21
2026-08-13 00:0087700    2026-08-15 23:0078691.49
2026-08-12 00:0082100    2026-08-16 05:0078200.59
2026-08-11 00:0089200    2026-08-16 11:0078131.54
2026-08-10 00:0086300    2026-08-16 17:0078152.19
2026-08-09 00:0086200    2026-08-16 23:0078201.1
2026-08-08 00:0086500    2026-08-17 05:0078263.78
2026-08-07 00:0086900    2026-08-17 11:0078365.81
2026-08-06 00:0090800    2026-08-17 17:0078570.06
2026-08-05 00:0085600    2026-08-17 23:0078932.47
      2026-08-18 05:0079425.91
      2026-08-18 11:0079949
      2026-08-18 17:0080394.13
      2026-08-18 23:0080711.97
      2026-08-19 05:0080904.56
      2026-08-19 11:0081006.42
      2026-08-19 17:0081052.97
      2026-08-19 23:0081069.03
      2026-08-20 05:0080989.99
      2026-08-20 11:0080680.97
      2026-08-20 17:0080212.52
      2026-08-20 23:0079868.98
      2026-08-21 05:0079736.8
      2026-08-21 11:0079701.79
      2026-08-21 17:0079691.05
      2026-08-21 23:0079697.05
      2026-08-22 05:0079716.45
      2026-08-22 11:0079749.13
      2026-08-22 17:0079786.84
      2026-08-22 23:0079816.16
      2026-08-23 05:0079831.82
      2026-08-23 11:0079843.7
      2026-08-23 17:0079853.5
      2026-08-23 23:0079858.08
      2026-08-24 05:0079854.17