US Army Corps of Engineers

Lower Granite Dam

Monday December 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.00 12.60 0.00 737.14 636.42 100.72 737.37 636.71
2 13.00 12.60 0.00 737.26 636.52 100.74 737.40 636.91
3 13.00 12.60 0.00 737.29 636.64 100.65 737.42 637.18
4 14.00 13.60 0.00 737.25 636.53 100.72 737.49 637.16
5 27.20 26.80 0.00 737.17 636.88 100.29 737.53 637.42
6 39.50 39.10 0.00 736.96 637.32 99.64 737.39 637.66
7 41.50 41.10 0.00 736.77 637.15 99.62 737.05 637.93
8 41.50 41.10 0.00 736.56 637.11 99.45 736.91 637.50
9 40.60 40.20 0.00 736.52 636.91 99.61 736.71 637.12
10 28.50 28.10 0.00 736.56 636.62 99.94 736.52 636.74
11 14.30 13.90 0.00 736.56 636.36 100.20 736.46 636.75
12 13.70 13.30 0.00 736.43 636.26 100.17 736.64 636.58
13 13.70 13.30 0.00 736.56 636.19 100.37 736.61 636.39
14 15.40 13.30 0.00 736.54 636.40 100.14 736.62 637.09
15 13.80 13.40 0.00 736.56 636.30 100.26 736.77 636.78
16 14.90 14.50 0.00 736.53 636.21 100.32 736.76 636.74
17 31.20 30.80 0.00 736.40 636.99 99.41 736.77 637.38
18 35.30 34.90 0.00 736.30 636.54 99.76 736.66 637.08
19 35.10 34.70 0.00 736.25 636.28 99.97 736.43 636.69
20 35.00 34.60 0.00 736.00 636.86 99.14 736.31 637.24
21 34.70 34.30 0.00 735.90 636.50 99.40 736.24 636.70
22 27.50 27.10 0.00 735.94 636.22 99.72 736.04 636.55
23 14.10 13.70 0.00 735.92 636.25 99.67 735.97 636.59
24 13.10 12.70 0.00 735.90 636.22 99.68 736.15 636.45
AVG 24.32 23.85 0.00 736.55 636.57 99.98 736.76 636.97
MAX 41.50 41.10 0.00 737.29 637.32 100.74 737.53 637.93
MIN 13.00 12.60 0.00 735.90 636.19 99.14 735.97 636.39