US Army Corps of Engineers

Lower Granite Dam

Tuesday November 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 14.90 12.80 0.00 736.65 636.56 100.09 736.85 637.04
2 13.30 12.90 0.00 736.69 636.47 100.22 736.89 636.87
3 13.20 12.80 0.00 736.71 636.36 100.35 736.93 636.61
4 13.30 12.90 0.00 736.74 636.58 100.16 736.96 636.99
5 13.60 13.10 0.20 736.76 636.70 100.06 736.99 637.15
6 27.30 17.30 9.60 736.63 635.94 100.69 737.02 636.99
7 27.30 17.30 9.50 736.59 636.00 100.59 736.94 637.05
8 27.30 17.40 9.50 736.51 636.27 100.24 736.78 637.38
9 26.70 17.40 8.90 736.42 636.21 100.21 736.62 636.71
10 13.80 13.40 0.00 736.40 636.26 100.14 736.54 636.59
11 13.10 12.70 0.00 736.40 636.73 99.67 736.57 637.11
12 13.10 12.70 0.00 736.36 636.39 99.97 736.67 636.74
13 13.10 12.70 0.00 736.44 636.29 100.15 736.68 636.61
14 13.10 12.70 0.00 736.47 636.78 99.69 736.69 637.20
15 13.30 12.90 0.00 736.47 636.52 99.95 736.77 636.93
16 13.30 12.90 0.00 736.52 636.48 100.04 736.79 636.98
17 17.90 17.50 0.00 736.50 636.94 99.56 736.79 637.39
18 18.10 17.70 0.00 736.47 636.49 99.98 736.80 636.80
19 19.70 17.60 0.00 736.48 636.87 99.61 736.77 637.48
20 18.00 17.60 0.00 736.42 636.71 99.71 736.76 637.10
21 17.70 17.30 0.00 736.40 636.28 100.12 736.74 636.48
22 12.90 12.50 0.00 736.47 636.55 99.92 736.71 636.84
23 12.70 12.30 0.00 736.47 636.63 99.84 736.78 636.96
24 12.60 12.20 0.00 736.51 636.21 100.30 736.84 636.51
AVG 16.64 14.53 1.57 736.52 636.47 100.05 736.79 636.94
MAX 27.30 17.70 9.60 736.76 636.94 100.69 737.02 637.48
MIN 12.60 12.20 0.00 736.36 635.94 99.56 736.54 636.48
BUILDING STRONG®