US Army Corps of Engineers

Little Goose Dam & Lake Bryan

September 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 3356 140 18 20.80 21.10 19.50 1.10 636.90 636.82 538.96 97.86
2 3907 163 18 24.90 24.30 22.70 1.30 637.00 636.72 538.83 97.89
3 2365 99 16 17.70 16.70 13.70 2.60 637.21 636.81 538.66 98.15
4 2951 123 19 18.70 18.60 17.00 1.20 637.20 637.02 538.70 98.32
5 3781 158 18 22.70 23.60 21.80 1.20 637.03 637.14 538.93 98.21
6 3760 157 18 24.30 23.40 21.70 1.30 637.20 637.08 539.16 97.92
7 3459 144 18 19.90 21.80 20.00 1.30 636.80 636.87 539.10 97.77
8 3495 146 19 21.10 21.90 20.10 1.20 636.64 636.81 538.90 97.91
9 3235 135 19 20.70 20.30 18.60 1.20 636.71 636.78 538.71 98.07
10 19.80 18.30 16.60 1.20 637.03 636.85 538.44 98.41
11 18.80 18.70 16.90 1.30 637.00 637.00 538.66 98.34
12 19.00 18.00 16.10 1.30 637.24 637.10 538.78 98.32
13 20.00 20.10 18.00 1.50 637.21 637.15 539.01 98.14
14 20.70 20.80 19.10 1.20 637.19 637.21 539.21 98.00
15 21.70 20.00 18.20 1.20 637.53 637.31 539.04 98.27
16 24.20 25.70 23.60 1.60 637.23 637.28 539.21 98.07
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TOT 30309  164        
AVG 3368 140 18 20.94 20.83 18.98 1.36 637.07 637.00 538.89 98.10
MAX 3907   24.90 25.70 23.60 2.60 637.53 637.31 539.21 98.41
MIN 2365   17.70 16.70 13.70 1.10 636.64 636.72 538.44 97.77