US Army Corps of Engineers

Lower Granite Dam

Saturday January 24, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 14.30 14.30 0.00 736.00 633.21 102.79 735.75 633.68
2 14.90 14.90 0.00 736.07 633.99 102.08 735.75 634.40
3 27.50 27.50 0.00 736.17 633.52 102.65 735.75 633.81
4 29.20 29.20 0.00 736.26 633.66 102.60 735.75 634.17
5 30.70 30.70 0.00 736.17 634.01 102.16 735.75 634.65
6 42.50 42.50 0.00 735.99 634.08 101.91 735.75 634.37
7 42.40 42.40 0.00 736.01 633.91 102.10 736.20 634.30
8 42.20 42.20 0.00 735.84 634.14 101.70 736.20 634.78
9 40.70 40.70 0.00 735.71 633.91 101.80 736.00 634.22
10 41.50 41.50 0.00 735.70 633.81 101.89 736.00 634.07
11 27.80 27.80 0.00 735.79 633.59 102.20 735.90 633.98
12 27.10 27.10 0.00 735.73 633.69 102.04 735.90 634.10
13 27.30 27.30 0.00 735.80 633.63 102.17 735.90 633.89
14 27.30 27.30 0.00 735.89 633.56 102.33 735.90 633.94
15 27.20 27.20 0.00 735.87 633.68 102.19 735.90 634.17
16 27.10 27.10 0.00 735.91 633.44 102.47 735.90 633.85
17 27.90 27.90 0.00 735.94 633.65 102.29 735.90 634.18
18 41.30 41.30 0.00 735.78 634.27 101.51 735.90 634.64
19 42.20 42.20 0.00 735.73 633.69 102.04 735.90 634.09
20 42.50 42.50 0.00 735.65 633.83 101.82 735.90 634.32
21 42.30 42.30 0.00 735.53 634.07 101.46 735.90 634.28
22 28.00 28.00 0.00 735.67 633.21 102.46 735.90 633.64
23 26.80 26.80 0.00 735.69 633.77 101.92 735.90 634.23
24 26.40 26.40 0.00 735.76 633.71 102.05 735.90 633.66
AVG 31.96 31.96 0.00 735.86 633.75 102.11 735.90 634.14
MAX 42.50 42.50 0.00 736.26 634.27 102.79 736.20 634.78
MIN 14.30 14.30 0.00 735.53 633.21 101.46 735.75 633.64
BUILDING STRONG®