US Army Corps of Engineers

Lower Granite Dam & Lake

August 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Lewiston Gage ft
1 40.30 41.70 22.90 18.40 735.18 735.84 634.02 101.82 735.56
2 39.10 39.00 20.10 18.40 735.17 735.42 634.22 101.20 735.56
3 38.00 36.20 9.90 25.80 735.61 735.69 634.48 101.21 735.99
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
TOT            
AVG    39.13 38.97 17.63 20.87 735.32 735.65 634.24 101.41 735.70
MAX    40.30 41.70 22.90 25.80 735.61 735.84 634.48 101.82 735.99
MIN    38.00 36.20 9.90 18.40 735.17 735.42 634.02 101.20 735.56