US Army Corps of Engineers

Lower Granite Dam

Saturday May 17, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 81.10 12.50 68.20 733.81 633.50 100.31 734.48 634.73
2 81.30 12.60 68.30 733.83 633.49 100.34 734.49 634.67
3 81.30 12.60 68.30 733.81 633.49 100.32 734.50 634.71
4 83.00 12.60 68.30 733.83 633.47 100.36 734.51 634.78
5 81.40 12.70 68.30 733.79 633.57 100.22 734.52 634.74
6 81.40 12.60 68.30 733.79 633.58 100.21 734.52 634.79
7 87.40 12.60 74.40 733.71 633.62 100.09 734.54 635.11
8 86.90 12.20 74.30 733.67 633.68 99.99 734.53 635.12
9 86.80 12.20 74.20 733.63 633.70 99.93 734.53 635.14
10 86.60 12.10 74.10 733.58 633.85 99.73 734.53 635.24
11 86.60 12.10 74.10 733.56 633.83 99.73 734.52 635.31
12 86.60 12.10 74.00 733.51 634.02 99.49 734.51 635.39
13 86.50 12.10 74.00 733.49 634.07 99.42 734.51 635.40
14 86.50 12.20 74.00 733.45 633.99 99.46 734.51 635.35
15 86.50 12.20 73.90 733.40 634.02 99.38 734.50 635.33
16 86.40 12.10 73.90 733.38 633.99 99.39 734.49 635.26
17 88.00 12.10 73.80 733.36 634.05 99.31 734.48 635.33
18 86.30 12.20 73.70 733.36 633.98 99.38 734.48 635.23
19 86.30 12.30 73.60 733.31 633.95 99.36 734.46 635.16
20 86.20 12.20 73.60 733.31 633.94 99.37 734.43 635.23
21 86.20 12.20 73.60 733.29 633.86 99.43 734.42 635.25
22 85.90 12.10 73.30 733.27 633.82 99.45 734.41 635.06
23 81.60 12.30 68.90 733.29 633.77 99.52 734.39 634.96
24 81.50 12.10 69.00 733.31 633.83 99.48 734.37 634.92
AVG 84.93 12.29 72.09 733.53 633.79 99.74 734.48 635.09
MAX 88.00 12.70 74.40 733.83 634.07 100.36 734.54 635.40
MIN 81.10 12.10 68.20 733.27 633.47 99.31 734.37 634.67
BUILDING STRONG®