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 38.00 38.70 38.40 0.00 538.65 538.67 438.62 100.05
8 32.50 31.80 31.50 0.00 538.85 538.70 438.48 100.22
9 33.80 33.10 32.80 0.00 539.05 539.02 438.75 100.27
10 32.60 32.70 32.40 0.00 539.06 538.93 439.11 99.82
11 31.50 32.60 32.30 0.00 538.70 539.05 439.14 99.91
12 33.00 34.10 33.80 0.00 538.36 538.54 439.04 99.50
13 32.30 33.00 32.70 0.00 538.15 538.14 438.81 99.33
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TOT 31066  100        
AVG 5178 216 17 31.72 31.78 31.47 0.00 538.67 538.68 439.00 99.68
MAX 5817   38.00 38.70 38.40 0.00 539.08 539.05 439.39 100.27
MIN 4115   24.90 23.60 23.20 0.00 538.15 538.14 438.48 99.06