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 1868 78 0 0.55 2.40 2.40 0.00 3551.06 3551.15 3072.38 478.77
8 1872 78 0 1.15 2.42 2.42 0.00 3550.86 3550.97 3072.39 478.58
9 1860 78 0 -0.69 2.41 2.41 0.00 3550.69 3550.78 3072.38 478.40
10 1886 79 0 0.50 2.45 2.45 0.00 3550.51 3550.61 3072.40 478.21
11 1894 79 0 0.38 2.45 2.45 0.00 3550.34 3550.43 3072.42 478.01
12 1900 79 0 0.62 2.46 2.46 0.00 3550.17 3550.25 3072.42 477.83
13 1914 80 0 0.64 2.48 2.48 0.00 3550.02 3550.10 3072.43 477.67
14 1915 80 0 0.42 2.48 2.48 0.00 3549.82 3549.92 3072.43 477.49
15 1917 80 0 0.43 2.49 2.49 0.00 3549.66 3549.74 3072.43 477.31
16 1884 78 0 0.55 2.38 2.38 0.00 3549.50 3549.58 3072.42 477.16
17 1794 75 0 0.18 2.35 2.35 0.00 3549.32 3549.40 3072.32 477.08
18 1794 75 0 0.50 2.33 2.33 0.00 3549.16 3549.23 3072.33 476.90
19 1828 76 0 0.57 2.40 2.40 0.00 3548.98 3549.07 3072.35 476.72
20 1824 76 0 0.12 2.40 2.40 0.00 3548.80 3548.89 3072.35 476.54
21 1857 77 0 0.49 2.43 2.43 0.00 3548.63 3548.72 3072.38 476.34
22 1882 78 0 0.27 2.43 2.43 0.00 3548.42 3548.53 3072.41 476.12
23 1883 78 0 0.14 2.42 2.42 0.00 3548.24 3548.33 3072.41 475.92
24 1952 81 0 0.59 2.53 2.53 0.00 3548.05 3548.15 3072.47 475.68
25 1969 82 0 0.28 2.55 2.55 0.00 3547.84 3547.96 3072.48 475.48
26 1972 82 0 -0.07 2.54 2.54 0.00 3547.64 3547.74 3072.49 475.25
27 2006 84 0 0.56 2.60 2.60 0.00 3547.46 3547.55 3072.51 475.04
28 2014 84 0 0.10 2.60 2.60 0.00 3547.23 3547.42 3072.52 474.90
29 2044 85 0 0.24 2.62 2.62 0.00 3547.06 3547.14 3072.54 474.60
30 2037 85 0 0.57 2.60 2.60 0.00 3546.85 3546.96 3072.53 474.43
TOT 56805  0        
AVG 1894 79 0 0.39 2.45 2.45 0.00 3549.55 3549.64 3072.40 477.24
MAX 2044   1.15 2.62 2.62 0.00 3552.12 3552.19 3072.54 479.93
MIN 1775   -0.69 2.30 2.30 0.00 3546.85 3546.96 3072.26 474.43
BUILDING STRONG®