US Army Corps of Engineers

Lower Granite Dam

Monday February 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 14.10 14.10 0.00 736.57 636.34 100.23 736.65 636.76
2 13.50 13.50 0.00 736.62 636.09 100.53 736.65 636.51
3 14.00 14.00 0.00 736.79 635.98 100.81 736.65 636.39
4 27.60 27.60 0.00 736.71 636.94 99.77 736.65 637.38
5 49.20 49.20 0.00 736.40 637.08 99.32 736.85 637.49
6 49.80 49.80 0.00 736.28 636.88 99.40 736.75 637.28
7 51.20 51.20 0.00 735.98 637.26 98.72 736.75 637.67
8 49.60 49.60 0.00 735.73 636.63 99.10 736.00 636.99
9 28.20 28.20 0.00 735.91 635.97 99.94 736.00 636.34
10 14.10 14.10 0.00 735.96 636.75 99.21 736.12 637.11
11 13.20 13.20 0.00 736.00 636.28 99.72 736.12 636.66
12 13.80 13.80 0.00 736.32 635.96 100.36 736.20 636.30
13 13.20 13.20 0.00 736.42 636.81 99.61 736.20 637.19
14 13.40 13.40 0.00 736.46 636.50 99.96 736.20 636.85
15 12.90 12.90 0.00 736.69 636.27 100.42 736.20 636.62
16 13.60 13.60 0.00 736.75 637.26 99.49 736.20 637.67
17 29.10 29.10 0.00 736.61 637.23 99.38 736.90 637.73
18 49.80 49.80 0.00 736.48 636.95 99.53 736.90 637.38
19 50.20 50.20 0.00 736.39 636.93 99.46 736.90 637.37
20 48.80 48.80 0.00 736.08 637.08 99.00 736.90 637.52
21 47.90 47.90 0.00 735.96 636.34 99.62 736.90 637.12
22 28.10 28.10 0.00 736.11 636.01 100.10 736.90 636.44
23 26.60 26.60 0.00 736.02 636.50 99.52 736.90 637.11
24 14.10 14.10 0.00 736.22 635.94 100.28 736.90 636.34
AVG 28.58 28.58 0.00 736.31 636.58 99.73 736.56 637.01
MAX 51.20 51.20 0.00 736.79 637.26 100.81 736.90 637.73
MIN 12.90 12.90 0.00 735.73 635.94 98.72 736.00 636.30