US Army Corps of Engineers

Lower Granite Dam

Monday November 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.10 12.70 0.00 736.67 636.58 100.09 736.91 637.00
2 13.10 12.70 0.00 736.69 636.64 100.05 736.94 637.04
3 13.10 12.70 0.00 736.72 636.39 100.33 736.98 636.70
4 13.10 12.70 0.00 736.76 636.59 100.17 737.00 637.01
5 14.10 13.00 0.70 736.77 636.61 100.16 737.02 637.32
6 27.30 17.20 9.60 736.67 636.09 100.58 737.06 637.14
7 27.10 17.10 9.60 736.61 636.01 100.60 736.94 636.96
8 27.10 17.10 9.50 736.54 636.34 100.20 736.75 637.28
9 26.80 17.10 9.30 736.43 636.23 100.20 736.69 636.74
10 13.20 12.70 0.10 736.46 636.21 100.25 736.61 636.53
11 12.80 12.40 0.00 736.46 636.68 99.78 736.58 637.09
12 14.50 12.40 0.00 736.40 636.34 100.06 736.71 636.54
13 12.80 12.40 0.00 736.51 636.20 100.31 736.73 636.54
14 12.80 12.40 0.00 736.52 636.82 99.70 736.66 637.37
15 12.80 12.40 0.00 736.46 636.34 100.12 736.81 636.65
16 13.00 12.60 0.00 736.55 636.47 100.08 736.86 637.10
17 17.80 17.40 0.00 736.56 636.96 99.60 736.81 637.39
18 18.00 17.60 0.00 736.52 636.42 100.10 736.82 636.82
19 17.90 17.50 0.00 736.53 636.65 99.88 736.81 637.12
20 18.00 17.60 0.00 736.52 636.75 99.77 736.77 637.14
21 17.90 17.50 0.00 736.50 636.26 100.24 736.75 636.52
22 13.80 13.40 0.00 736.54 636.52 100.02 736.76 636.91
23 13.30 12.90 0.00 736.58 636.54 100.04 736.79 636.91
24 13.30 12.90 0.00 736.60 636.21 100.39 736.83 636.52
AVG 16.53 14.43 1.62 736.57 636.45 100.11 736.82 636.93
MAX 27.30 17.60 9.60 736.77 636.96 100.60 737.06 637.39
MIN 12.80 12.40 0.00 736.40 636.01 99.60 736.58 636.52
BUILDING STRONG®