US Army Corps of Engineers

Lower Granite Dam

Wednesday June 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 55.00 12.10 42.60 735.40 633.54 101.86 735.95 634.85
2 55.00 12.00 42.60 735.42 633.49 101.93 735.92 634.88
3 55.00 12.10 42.50 735.40 633.52 101.88 735.91 634.94
4 54.90 12.00 42.50 735.38 633.52 101.86 735.92 634.83
5 55.00 12.10 42.60 735.38 633.35 102.03 735.91 634.85
6 55.00 12.10 42.60 735.38 633.58 101.80 735.92 634.91
7 55.00 12.00 42.60 735.41 633.60 101.81 735.93 634.89
8 55.00 12.00 42.60 735.43 633.65 101.78 735.94 634.82
9 55.00 12.00 42.60 735.44 633.56 101.88 735.97 634.83
10 55.00 12.00 42.60 735.46 633.71 101.75 736.03 634.86
11 55.20 12.10 42.60 735.50 633.53 101.97 736.05 634.90
12 55.30 12.10 42.80 735.56 633.58 101.98 736.09 634.90
13 55.30 12.10 42.90 735.58 633.40 102.18 736.12 634.82
14 55.40 12.10 43.00 735.63 633.60 102.03 736.15 634.96
15 55.90 12.50 43.00 735.66 633.70 101.96 736.16 635.02
16 55.50 12.00 43.10 735.65 633.60 102.05 736.16 634.85
17 55.50 12.00 43.10 735.63 633.80 101.83 736.16 634.93
18 57.20 12.00 43.10 735.62 633.94 101.68 736.16 635.21
19 55.60 12.10 43.10 735.63 633.56 102.07 736.15 634.90
20 55.60 12.10 43.10 735.60 633.72 101.88 736.13 634.95
21 55.50 12.00 43.00 735.57 633.69 101.88 736.18 634.95
22 55.30 12.00 42.90 735.56 633.49 102.07 736.15 634.88
23 55.20 12.00 42.80 735.54 633.59 101.95 736.07 634.92
24 55.10 12.00 42.70 735.49 633.64 101.85 736.05 634.91
AVG 55.31 12.06 42.79 735.51 633.60 101.91 736.05 634.91
MAX 57.20 12.50 43.10 735.66 633.94 102.18 736.18 635.21
MIN 54.90 12.00 42.50 735.38 633.35 101.68 735.91 634.82