US Army Corps of Engineers

Lower Monumental Dam & Lake

January 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 4115 171 17 24.90 23.60 23.20 0.00 538.94 538.87 439.07 99.80
2 4950 206 17 28.70 28.20 27.80 0.00 539.08 539.01 439.26 99.75
3 4635 193 17 25.10 26.30 26.00 0.00 538.75 538.89 439.20 99.69
4 5784 241 16 31.70 33.00 32.70 0.00 538.38 538.45 439.39 99.06
5 5817 242 16 32.70 33.20 32.90 0.00 538.20 538.33 439.14 99.19
6 5765 240 17 35.60 32.90 32.60 0.00 538.56 538.30 438.99 99.31
7 6805 284 17 38.00 38.70 38.40 0.00 538.65 538.67 438.62 100.05
8 5625 234 18 32.50 31.80 31.50 0.00 538.85 538.70 438.48 100.22
9 5854 244 17 33.80 33.10 32.80 0.00 539.05 539.02 438.75 100.27
10 5767 240 17 32.60 32.70 32.40 0.00 539.06 538.93 439.11 99.82
11 5749 240 17 31.50 32.60 32.30 0.00 538.70 539.05 439.14 99.91
12 5992 250 17 33.00 34.10 33.80 0.00 538.36 538.54 439.04 99.50
13 5757 240 17 32.30 33.00 32.70 0.00 538.15 538.14 438.81 99.33
14 5141 214 19 28.30 29.60 29.30 0.00 537.79 537.85 438.99 98.86
15 5073 211 20 30.30 29.00 28.70 0.00 538.18 538.10 438.63 99.47
16 4507 188 19 27.10 25.60 25.40 0.00 538.62 538.33 438.76 99.57
17 4996 208 19 29.70 28.40 28.20 0.00 539.00 538.66 439.00 99.66
18 5314 221 20 29.60 30.10 29.90 0.00 538.85 538.97 439.26 99.71
19 4932 205 20 27.80 28.00 27.80 0.00 538.78 538.85 439.29 99.56
20 5145 214 20 29.10 29.20 29.00 0.00 538.75 538.68 439.09 99.59
21 29.60 30.90 30.70 0.00 538.34 538.59 439.17 99.42
22 26.20 25.80 25.60 0.00 538.45 538.47 439.07 99.40
23 25.30 23.10 22.70 0.20 539.12 538.72 439.08 99.64
24 24.10 25.60 25.40 0.00 538.69 539.00 439.33 99.67
25 25.60 25.00 24.80 0.00 538.85 538.89 439.33 99.56
26 25.40 25.80 25.60 0.00 538.73 538.85 439.37 99.48
27 27.00 27.00 26.80 0.00 538.73 538.99 439.30 99.69
28
29
30
31
TOT107724  355        
AVG 5386 224 18 29.54 29.49 29.22 0.01 538.65 538.66 439.06 99.60
MAX 6805   38.00 38.70 38.40 0.20 539.12 539.05 439.39 100.27
MIN 4115   24.10 23.10 22.70 0.00 537.79 537.85 438.48 98.86
BUILDING STRONG®