US Army Corps of Engineers

Lower Granite Dam

Monday September 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 14.10 13.00 0.60 734.21 636.55 97.66 734.18 637.03
2 13.50 13.10 0.00 734.25 636.45 97.80 734.19 636.61
3 13.10 12.70 0.00 734.32 636.18 98.14 734.20 636.48
4 12.90 12.50 0.00 734.50 636.67 97.83 734.22 637.13
5 13.00 12.60 0.00 734.55 636.28 98.27 734.23 636.73
6 19.00 13.10 5.60 734.53 635.74 98.79 734.28 636.84
7 20.50 12.90 7.20 734.67 636.02 98.65 734.33 637.09
8 20.20 12.60 7.30 734.68 635.65 99.03 734.36 636.78
9 20.10 12.50 7.20 734.62 635.92 98.70 734.40 637.09
10 13.30 12.50 0.40 734.82 636.37 98.45 734.45 636.75
11 12.90 12.50 0.00 734.92 636.49 98.43 734.49 636.95
12 12.90 12.50 0.00 734.95 636.51 98.44 734.56 636.79
13 12.90 12.50 0.00 735.14 636.34 98.80 734.61 636.73
14 15.10 13.00 0.00 735.23 636.66 98.57 734.70 637.02
15 24.50 24.10 0.00 735.12 636.71 98.41 734.77 637.08
16 25.00 24.60 0.00 735.19 636.22 98.97 734.87 636.73
17 27.20 25.10 0.00 735.22 636.94 98.28 734.92 637.55
18 41.30 40.90 0.00 734.87 637.12 97.75 734.97 637.48
19 43.80 43.40 0.00 734.78 636.42 98.36 735.02 636.74
20 44.80 44.40 0.00 734.77 636.79 97.98 734.99 636.86
21 29.20 28.80 0.00 734.65 636.18 98.47 734.94 636.50
22 13.70 13.30 0.00 734.69 636.03 98.66 734.90 636.53
23 13.50 13.10 0.00 734.77 636.45 98.32 734.89 636.87
24 13.50 13.10 0.00 734.89 636.03 98.86 734.89 636.22
AVG 20.42 18.70 1.18 734.76 636.36 98.40 734.60 636.86
MAX 44.80 44.40 7.30 735.23 637.12 99.03 735.02 637.55
MIN 12.90 12.50 0.00 734.21 635.65 97.66 734.18 636.22