US Army Corps of Engineers

Lower Monumental Dam & Lake

December 2023

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 3439 143 16 22.60 20.10 19.40 0.00 539.37 538.90 438.72 100.18
2 24.20 24.50 23.80 0.00 539.32 539.26 438.64 100.62
3 27.30 27.50 26.70 0.00 539.23 539.25 438.74 100.51
4 13.20 18.00 17.40 0.00 537.71 538.52 438.32 100.20
5 14.90 13.10 12.40 0.00 537.55 537.92 438.40 99.52
6 13.10 11.50 10.60 0.00 538.01 538.09 438.10 99.99
7 19.90 19.10 18.40 0.00 538.23 538.05 438.05 100.00
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TOT 3439  16        
AVG 3439 143 16 19.31 19.11 18.39 0.00 538.49 538.57 438.42 100.15
MAX 3439   27.30 27.50 26.70 0.00 539.37 539.26 438.74 100.62
MIN 3439   13.10 11.50 10.60 0.00 537.55 537.92 438.05 99.52