US Army Corps of Engineers

Lower Granite Dam

Tuesday June 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 61.40 12.10 48.90 735.53 633.65 101.88 736.14 634.90
2 61.40 12.10 48.90 735.52 633.80 101.72 736.10 634.95
3 61.30 12.10 48.90 735.47 633.74 101.73 736.08 634.97
4 61.30 12.00 48.90 735.44 633.57 101.87 736.05 634.89
5 62.00 12.90 48.80 735.41 633.78 101.63 736.01 634.92
6 61.50 12.40 48.70 735.38 633.67 101.71 735.96 634.88
7 61.10 12.10 48.60 735.36 633.62 101.74 735.93 634.88
8 61.10 12.10 48.60 735.32 633.72 101.60 735.93 634.97
9 61.00 12.10 48.50 735.33 633.59 101.74 735.90 634.90
10 61.00 12.00 48.50 735.33 633.55 101.78 735.93 634.85
11 61.00 12.00 48.50 735.36 633.52 101.84 735.97 634.88
12 61.20 12.10 48.70 735.40 633.43 101.97 735.97 634.78
13 61.40 12.10 48.90 735.42 633.43 101.99 736.00 634.81
14 61.40 12.10 48.90 735.42 633.51 101.91 736.03 634.91
15 61.40 12.10 48.90 735.43 633.60 101.83 736.04 634.86
16 61.50 12.10 48.90 735.44 633.70 101.74 736.04 634.82
17 61.40 12.10 48.90 735.44 633.58 101.86 736.03 634.93
18 61.40 12.10 48.90 735.43 633.63 101.80 736.01 634.94
19 61.40 12.10 48.90 735.41 633.67 101.74 735.99 634.98
20 61.30 12.10 48.80 735.38 633.74 101.64 735.97 634.95
21 61.30 12.20 48.80 735.36 633.76 101.60 735.96 635.01
22 61.10 12.20 48.50 735.36 633.75 101.61 735.93 634.82
23 55.20 12.20 42.60 735.39 633.51 101.88 735.89 634.91
24 55.10 12.10 42.60 735.39 633.60 101.79 735.93 634.97
AVG 60.80 12.15 48.25 735.41 633.63 101.77 735.99 634.90
MAX 62.00 12.90 48.90 735.53 633.80 101.99 736.14 635.01
MIN 55.10 12.00 42.60 735.32 633.43 101.60 735.89 634.78