US Army Corps of Engineers

Hungry Horse Dam & Reservoir

December 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 680 28 0 1.39 1.28 1.28 0.00 3542.50 3542.44 3073.43 469.01
2 553 23 0 1.65 1.10 1.10 0.00 3542.50 3542.49 3073.34 469.15
3 486 20 0 1.24 1.02 1.02 0.00 3542.57 3542.52 3073.29 469.23
4 595 25 0 1.49 1.16 1.16 0.00 3542.53 3542.55 3073.37 469.18
5 712 30 0 1.27 1.27 1.27 0.00 3542.56 3542.55 3073.50 469.05
6 753 31 0 1.77 1.32 1.32 0.00 3542.61 3542.59 3073.50 469.09
7 798 33 0 1.52 1.41 1.41 0.00 3542.63 3542.62 3073.54 469.08
8 742 31 0 2.45 1.34 1.34 0.00 3542.71 3542.66 3073.47 469.19
9 583 24 0 3.52 1.08 1.08 0.00 3542.98 3542.82 3073.26 469.56
10 566 24 0 5.41 0.96 0.96 0.00 3543.41 3543.12 3073.18 469.94
11 516 22 0 17.08 0.90 0.90 0.00 3544.90 3544.06 3073.14 470.92
12 507 21 0 16.72 0.89 0.89 0.00 3546.19 3545.48 3073.14 472.34
13 513 21 0 12.61 0.86 0.86 0.00 3547.30 3546.74 3073.14 473.60
14 510 21 0 10.69 0.83 0.83 0.00 3548.14 3547.69 3073.14 474.55
15 1205 50 0 9.42 1.68 1.68 0.00 3548.75 3548.47 3073.80 474.67
16 2750 115 0 11.26 3.50 3.50 0.00 3549.47 3549.11 3075.00 474.11
17 3526 147 0 10.87 4.47 4.47 0.00 3549.98 3549.76 3075.51 474.25
18 4076 170 0 11.81 5.26 5.26 0.00 3550.54 3550.28 3075.90 474.38
19 4576 191 0 8.07 6.00 6.00 0.00 3550.78 3550.64 3076.24 474.40
20 4590 191 0 7.48 5.98 5.98 0.00 3550.92 3550.85 3076.25 474.60
21 4590 191 0 6.22 5.99 5.99 0.00 3550.92 3550.93 3076.26 474.67
22 4594 191 0 5.99 5.99 5.99 0.00 3550.88 3550.95 3076.26 474.69
23 5037 210 0 5.27 6.53 6.53 0.00 3550.75 3550.86 3076.47 474.39
24 5384 224 0 5.15 6.99 6.99 0.00 3550.59 3550.67 3076.62 474.05
25 5416 226 0 4.35 6.99 6.99 0.00 3550.54 3550.53 3076.63 473.90
26 5434 226 0 6.35 7.04 7.04 0.00 3550.37 3550.39 3076.63 473.76
27 5431 226 0 5.43 7.04 7.04 0.00 3550.08 3550.22 3076.63 473.59
28 5425 226 0 2.88 7.03 7.03 0.00 3549.84 3549.97 3076.63 473.34
29 5415 226 0 4.27 7.02 7.01 0.00 3549.58 3549.72 3076.62 473.10
30 5409 225 0 2.65 7.00 7.00 0.00 3549.31 3549.46 3076.62 472.84
31 4967 207 0 4.08 6.48 6.48 0.00 3549.04 3549.16 3076.37 472.79
TOT 86339  0        
AVG 2785 116 0 6.14 3.76 3.76 0.00 3547.29 3547.17 3074.87 472.30
MAX 5434   17.08 7.04 7.04 0.00 3550.92 3550.95 3076.63 474.69
MIN 486   1.24 0.83 0.83 0.00 3542.50 3542.44 3073.14 469.01
BUILDING STRONG®