US Army Corps of Engineers

Lower Monumental Dam & Lake

September 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 3713 155 18 22.80 23.20 21.20 1.30 538.03 538.07 438.91 99.16
2 2199 92 17 14.20 14.60 12.50 1.30 537.91 537.94 438.94 99.00
3 3023 126 18 21.40 19.30 17.10 1.50 538.52 538.22 438.94 99.28
4 3443 143 19 20.20 21.60 19.50 1.50 538.11 538.57 438.82 99.75
5 3650 152 19 24.30 22.90 20.80 1.40 538.50 538.24 438.96 99.28
6 3683 153 19 21.30 23.00 20.90 1.40 538.02 538.55 438.96 99.59
7 2873 120 19 19.60 18.30 16.30 1.30 538.39 538.09 438.84 99.25
8 2782 116 18 18.90 17.70 15.70 1.30 538.71 538.50 438.79 99.71
9 3385 141 21 20.70 21.30 19.20 1.40 538.53 538.54 438.91 99.63
10 3899 162 25 23.00 24.20 22.10 1.40 538.16 538.39 438.96 99.43
11 2922 122 24 20.10 18.50 16.50 1.20 538.62 538.26 438.58 99.68
12 17.00 17.90 15.90 1.30 538.36 538.45 438.63 99.82
13 20.90 20.10 18.00 1.30 538.62 538.63 438.75 99.88
14 18.60 17.50 15.40 1.40 538.94 538.78 438.76 100.02
15 21.60 22.00 19.80 1.40 538.81 538.85 438.97 99.88
16 23.80 22.50 20.40 1.40 539.21 538.77 439.08 99.69
17 20.10 21.20 19.00 1.50 538.88 538.84 439.25 99.59
18 20.20 21.80 19.70 1.40 538.40 538.69 439.21 99.48
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TOT 35571  216        
AVG 3234 135 20 20.48 20.42 18.33 1.37 538.48 538.47 438.90 99.56
MAX 3899   24.30 24.20 22.10 1.50 539.21 538.85 439.25 100.02
MIN 2199   14.20 14.60 12.50 1.20 537.91 537.94 438.58 99.00