US Army Corps of Engineers

Lower Monumental Dam & Lake

November 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 2478 103 16 15.40 16.10 14.00 1.40 538.45 538.65 438.90 99.75
2 2905 121 17 17.90 17.90 15.80 1.30 538.79 538.53 439.04 99.49
3 3102 129 17 20.90 19.50 17.60 1.40 538.56 538.66 439.06 99.60
4 2881 120 16 18.30 18.40 16.30 1.40 538.87 538.66 438.93 99.73
5 2548 106 17 17.30 16.50 14.30 1.40 539.24 538.84 438.72 100.12
6 2957 123 16 17.50 18.80 16.60 1.40 538.75 538.97 438.67 100.30
7 2930 122 16 19.00 18.60 16.60 1.40 538.56 538.67 438.87 99.80
8 2761 115 17 17.70 17.80 15.60 1.40 538.70 538.64 439.06 99.58
9 2770 115 16 18.10 17.70 15.70 1.40 538.96 538.76 439.11 99.65
10 2931 122 16 18.20 18.70 16.50 1.40 538.94 538.83 439.13 99.70
11 2926 122 16 17.80 18.70 16.60 1.40 538.53 538.57 439.10 99.47
12 2810 117 16 19.20 18.20 15.90 1.40 538.98 538.67 438.93 99.74
13 2872 120 16 19.00 18.30 16.20 1.50 538.83 538.87 438.98 99.89
14 2904 121 16 17.30 18.50 16.40 1.40 538.81 538.88 439.16 99.72
15 3025 126 15 20.20 19.20 17.10 1.40 538.79 538.82 439.21 99.61
16 3572 149 16 21.30 20.80 20.20 0.00 538.90 538.92 439.15 99.77
17 3690 154 17 21.80 21.40 20.80 0.00 539.29 539.06 439.01 100.05
18 3846 160 17 21.90 22.40 21.60 0.00 539.14 539.11 439.01 100.10
19 4647 194 18 26.80 26.90 26.30 0.00 538.81 538.88 439.13 99.75
20 2956 123 17 17.60 17.50 16.70 0.00 538.77 538.86 439.11 99.75
21 3475 145 17 19.70 20.30 19.60 0.00 538.81 539.00 439.06 99.94
22 19.80 20.50 19.70 0.00 538.99 538.73 439.11 99.62
23 21.00 19.70 18.90 0.00 538.88 538.88 438.98 99.90
24 18.60 19.10 18.30 0.10 538.84 538.96 438.91 100.05
25 19.50 19.50 18.70 0.00 538.96 538.98 438.93 100.05
26 22.40 22.40 21.60 0.00 538.81 538.89 439.07 99.82
27 18.90 18.10 17.50 0.00 538.96 538.85 439.10 99.75
28 18.10 18.20 17.60 0.00 539.25 538.99 439.05 99.94
29
30
1
TOT 64988  346        
AVG 3095 129 16 19.33 19.27 17.81 0.75 538.86 538.83 439.02 99.81
MAX 4647   26.80 26.90 26.30 1.50 539.29 539.11 439.21 100.30
MIN 2478   15.40 16.10 14.00 0.00 538.45 538.53 438.67 99.47
BUILDING STRONG®