US Army Corps of Engineers

Lower Granite Dam

Friday May 16, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 92.90 12.60 79.90 733.84 633.97 99.87 734.86 635.14
2 92.80 12.60 79.80 733.79 633.88 99.91 734.86 635.10
3 92.70 12.60 79.70 733.72 633.88 99.84 734.84 635.22
4 92.60 12.60 79.60 733.67 633.77 99.90 734.83 634.89
5 92.60 12.70 79.50 733.58 633.71 99.87 734.81 635.04
6 92.40 12.50 79.40 733.51 633.78 99.73 734.79 634.99
7 92.40 12.70 79.30 733.44 633.69 99.75 734.75 635.02
8 93.80 12.70 79.10 733.40 633.78 99.62 734.73 635.13
9 92.20 12.70 79.00 733.34 633.64 99.70 734.69 634.84
10 91.20 12.60 78.20 733.30 633.71 99.59 734.67 634.89
11 87.60 12.60 74.60 733.29 633.69 99.60 734.62 634.83
12 87.60 12.60 74.60 733.27 633.66 99.61 734.59 634.87
13 85.90 12.70 72.80 733.30 633.47 99.83 734.56 634.56
14 80.30 12.60 67.30 733.33 633.31 100.02 734.53 634.63
15 80.40 12.60 67.40 733.34 633.40 99.94 734.50 634.77
16 80.50 12.60 67.40 733.41 633.39 100.02 734.48 634.64
17 80.50 12.60 67.50 733.43 633.38 100.05 734.45 634.55
18 80.60 12.70 67.60 733.50 633.44 100.06 734.44 634.64
19 80.60 12.60 67.70 733.56 633.47 100.09 734.43 634.58
20 80.60 12.40 67.80 733.63 633.46 100.17 734.43 634.67
21 80.80 12.40 67.90 733.65 633.43 100.22 734.44 634.76
22 81.00 12.60 68.00 733.72 633.49 100.23 734.45 634.69
23 81.20 12.60 68.10 733.78 633.41 100.37 734.46 634.71
24 81.30 12.60 68.30 733.79 633.47 100.32 734.47 634.69
AVG 86.44 12.60 73.35 733.52 633.59 99.93 734.61 634.83
MAX 93.80 12.70 79.90 733.84 633.97 100.37 734.86 635.22
MIN 80.30 12.40 67.30 733.27 633.31 99.59 734.43 634.55
BUILDING STRONG®