US Army Corps of Engineers

Hungry Horse Dam & Reservoir

September 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 1775 74 0 0.67 2.30 2.30 0.00 3552.12 3552.19 3072.26 479.93
2 1840 77 0 0.51 2.36 2.36 0.00 3551.95 3552.04 3072.31 479.73
3 1862 78 0 0.31 2.39 2.39 0.00 3551.77 3551.86 3072.33 479.53
4 1863 78 0 0.32 2.40 2.40 0.00 3551.58 3551.69 3072.34 479.35
5 1843 77 0 0.32 2.40 2.40 0.00 3551.41 3551.50 3072.36 479.14
6 1856 77 0 0.32 2.40 2.40 0.00 3551.23 3551.32 3072.36 478.96
7 0.55 2.40 2.40 0.00 3551.06 3551.15 3072.38 478.77
8 1.15 2.42 2.42 0.00 3550.86 3550.97 3072.39 478.58
9 -0.69 2.41 2.41 0.00 3550.69 3550.78 3072.38 478.40
10 0.50 2.45 2.45 0.00 3550.51 3550.61 3072.40 478.21
11 0.38 2.45 2.45 0.00 3550.34 3550.43 3072.42 478.01
12 0.62 2.46 2.46 0.00 3550.17 3550.25 3072.42 477.83
13 0.64 2.48 2.48 0.00 3550.02 3550.10 3072.43 477.67
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TOT 11039  0        
AVG 1840 77 0 0.43 2.41 2.41 0.00 3551.05 3551.15 3072.37 478.78
MAX 1863   1.15 2.48 2.48 0.00 3552.12 3552.19 3072.43 479.93
MIN 1775   -0.69 2.30 2.30 0.00 3550.02 3550.10 3072.26 477.67