US Army Corps of Engineers

Lower Granite Dam

Wednesday December 3, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.30 12.90 0.00 736.42 636.37 100.05 736.49 636.84
2 13.30 12.90 0.00 736.42 636.19 100.23 736.62 636.63
3 13.30 12.90 0.00 736.46 636.05 100.41 736.64 636.53
4 13.40 13.00 0.00 736.50 636.49 100.01 736.64 636.91
5 13.40 13.00 0.00 736.54 636.29 100.25 736.73 636.71
6 13.80 13.40 0.00 736.59 636.25 100.34 736.78 636.79
7 25.90 25.50 0.00 736.41 636.71 99.70 736.79 637.11
8 27.40 27.00 0.00 736.36 636.20 100.16 736.65 636.59
9 27.30 26.90 0.00 736.29 636.27 100.02 736.52 636.70
10 27.00 26.60 0.00 736.22 636.49 99.73 736.49 636.72
11 14.20 13.80 0.00 736.29 635.76 100.53 736.41 636.13
12 15.00 12.90 0.00 736.28 636.91 99.37 736.47 637.15
13 13.70 13.30 0.00 736.29 636.22 100.07 736.58 636.58
14 13.10 12.70 0.00 736.40 635.64 100.76 736.53 635.97
15 13.20 12.80 0.00 736.39 636.61 99.78 736.57 636.95
16 13.80 13.40 0.00 736.33 636.21 100.12 736.64 636.66
17 27.10 26.70 0.00 736.27 636.10 100.17 736.69 636.60
18 27.40 27.00 0.00 736.25 636.47 99.78 736.51 636.88
19 27.00 26.60 0.00 736.15 636.38 99.77 736.39 636.84
20 26.30 25.90 0.00 736.06 636.31 99.75 736.40 636.47
21 15.40 13.30 0.00 736.15 636.33 99.82 736.41 636.71
22 13.00 12.60 0.00 736.17 636.37 99.80 736.40 636.86
23 14.80 12.70 0.00 736.15 636.39 99.76 736.40 636.48
24 13.00 12.60 0.00 736.28 636.08 100.20 736.40 636.27
AVG 18.13 17.52 0.00 736.32 636.30 100.02 736.55 636.67
MAX 27.40 27.00 0.00 736.59 636.91 100.76 736.79 637.15
MIN 13.00 12.60 0.00 736.06 635.64 99.37 736.39 635.97
BUILDING STRONG®