US Army Corps of Engineers

Lower Monumental Dam & Lake

January 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 4621 193 22 24.30 26.20 25.80 0.00 538.41 538.67 438.59 100.08
2 7354 306 22 39.30 42.20 41.90 0.00 537.56 538.27 438.98 99.29
3 2137 89 21 23.70 21.80 16.40 5.00 538.11 537.60 438.22 99.38
4 22 1 22 23.20 19.30 6.70 12.20 539.26 538.63 437.90 100.73
5 22 1 22 19.90 19.40 6.70 12.40 539.39 539.22 437.90 101.32
6 22 1 22 24.50 23.70 6.70 16.80 539.64 539.63 438.06 101.57
7 2549 106 22 27.00 28.80 17.90 10.60 539.08 539.38 438.46 100.92
8 4266 178 22 24.10 24.40 24.20 0.00 538.99 538.93 438.64 100.29
9 4111 171 23 22.40 23.30 23.00 0.00 538.71 538.93 438.55 100.38
10 3959 165 22 21.10 22.50 22.30 0.00 538.29 538.48 438.50 99.98
11 4121 172 21 26.00 23.60 23.40 0.00 538.98 538.77 438.58 100.19
12 3827 159 21 22.00 21.80 21.50 0.00 539.03 539.11 438.68 100.43
13 3785 158 20 20.30 21.50 21.30 0.00 538.67 538.87 438.53 100.34
14 4219 176 20 24.70 24.00 23.90 0.00 538.87 539.02 438.46 100.56
15 5388 225 20 31.20 30.40 30.30 0.00 539.08 539.22 438.71 100.51
16 4638 193 19 27.60 26.80 26.20 0.40 539.31 539.27 438.71 100.56
17 4095 171 20 21.40 23.20 23.00 0.00 538.80 539.14 438.72 100.42
18 4792 200 19 27.30 27.20 26.90 0.00 538.82 538.93 438.65 100.28
19 5142 214 18 29.40 29.50 29.30 0.00 538.80 538.85 438.61 100.24
20 4206 175 19 24.10 24.10 23.90 0.00 538.76 538.76 438.70 100.06
21 20.50 20.40 20.20 0.00 538.79 538.79 438.59 100.20
22 27.50 28.60 28.30 0.00 538.48 539.11 438.51 100.60
23 20.00 21.20 21.00 0.00 538.11 538.26 438.30 99.96
24 25.80 24.00 23.80 0.00 538.66 538.45 438.60 99.85
25 23.70 23.60 23.30 0.00 538.69 538.81 438.67 100.14
26 22.70 23.40 23.10 0.00 538.51 538.85 438.63 100.22
27 22.70 22.00 21.90 0.00 538.71 538.74 438.55 100.19
28
29
30
31
TOT 73275  416        
AVG 3664 153 21 24.68 24.70 22.33 2.13 538.76 538.84 438.52 100.32
MAX 7354   39.30 42.20 41.90 16.80 539.64 539.63 438.98 101.57
MIN 22   19.90 19.30 6.70 0.00 537.56 537.60 437.90 99.29