US Army Corps of Engineers

Lower Granite Dam

Thursday November 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.50 13.10 0.00 736.58 636.57 100.01 736.80 637.00
2 13.50 13.10 0.00 736.61 636.72 99.89 736.81 637.14
3 13.50 13.10 0.00 736.63 636.18 100.45 736.87 636.31
4 13.50 13.10 0.00 736.67 636.65 100.02 736.90 637.07
5 13.60 13.20 0.00 736.69 636.81 99.88 736.91 637.23
6 24.90 17.30 7.20 736.59 636.07 100.52 736.96 637.08
7 27.10 17.30 9.40 736.52 636.13 100.39 736.89 637.09
8 27.00 17.20 9.40 736.46 636.19 100.27 736.66 637.09
9 26.90 17.30 9.20 736.33 636.34 99.99 736.57 636.96
10 13.70 13.30 0.00 736.33 636.36 99.97 736.53 636.75
11 13.50 13.10 0.00 736.37 636.68 99.69 736.53 637.11
12 13.60 13.20 0.00 736.33 636.45 99.88 736.62 636.72
13 13.50 13.10 0.00 736.41 636.43 99.98 736.62 636.82
14 13.40 13.00 0.00 736.47 636.88 99.59 736.61 637.31
15 13.60 13.20 0.00 736.47 636.61 99.86 736.68 636.92
16 13.70 13.30 0.00 736.49 636.63 99.86 736.72 636.94
17 17.80 17.40 0.00 736.46 636.85 99.61 736.74 637.27
18 17.90 17.50 0.00 736.44 636.57 99.87 736.72 636.86
19 17.70 17.30 0.00 736.46 636.63 99.83 736.69 637.04
20 15.30 13.20 0.00 736.47 636.77 99.70 736.69 637.50
21 13.40 13.00 0.00 736.50 636.34 100.16 736.73 636.66
22 13.30 12.90 0.00 736.53 636.49 100.04 736.77 636.78
23 13.30 12.90 0.00 736.59 636.66 99.93 736.79 636.94
24 13.30 12.90 0.00 736.58 636.47 100.11 736.81 636.76
AVG 16.27 14.33 1.47 736.50 636.52 99.98 736.73 636.97
MAX 27.10 17.50 9.40 736.69 636.88 100.52 736.96 637.50
MIN 13.30 12.90 0.00 736.33 636.07 99.59 736.53 636.31
BUILDING STRONG®