US Army Corps of Engineers

Ice Harbor Dam

January 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 4250 177 48 24.40 24.40 23.90 0.00 438.81 438.77 339.92 98.85
2 4613 192 37 25.40 26.40 25.90 0.00 438.57 438.79 339.79 99.00
3 3818 159 36 24.60 22.10 21.50 0.00 439.15 439.01 339.49 99.52
4 4981 208 38 29.30 28.50 28.10 0.00 439.36 439.16 340.31 98.85
5 6018 251 39 33.60 34.70 33.80 0.00 439.08 439.20 340.84 98.36
6 5544 231 38 30.30 31.80 31.10 0.00 438.72 438.77 340.57 98.20
7 4976 207 39 30.00 28.50 27.80 0.00 439.08 438.87 339.95 98.92
8 4837 202 39 27.40 27.40 27.10 0.00 439.09 439.02 340.11 98.91
9 4663 194 39 25.30 26.50 26.20 0.00 438.89 438.88 339.85 99.03
10 4386 183 39 24.40 25.10 24.70 0.00 438.71 438.87 340.09 98.78
11 4685 195 40 27.00 26.70 26.20 0.00 438.80 438.93 340.29 98.64
12 31.30 29.70 29.10 0.00 439.17 438.91 340.52 98.39
13 29.30 32.30 31.50 0.00 438.47 438.41 340.30 98.11
14 37.90 37.00 36.20 0.00 438.66 438.42 340.55 97.87
15 35.90 36.90 36.50 0.00 438.43 438.71 340.61 98.10
16 33.70 32.20 31.50 0.00 438.76 438.67 340.59 98.08
17 22.20 20.60 20.10 0.00 439.17 438.88 339.88 99.00
18 30.50 32.50 32.20 0.00 438.68 438.91 340.86 98.05
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TOT 52770  431        
AVG 4797 200 39 29.03 29.07 28.52 0.00 438.87 438.84 340.25 98.59
MAX 6018   37.90 37.00 36.50 0.00 439.36 439.20 340.86 99.52
MIN 3818   22.20 20.60 20.10 0.00 438.43 438.41 339.49 97.87