US Army Corps of Engineers

Ice Harbor Dam

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 4655 194 55 27.40 26.70 26.10 0.00 439.10 439.06 340.12 98.94
2 6967 290 42 42.20 39.90 39.50 0.00 439.62 439.18 341.54 97.64
3 4520 188 42 20.20 26.00 25.60 0.00 438.21 438.66 340.18 98.48
4 2932 122 41 16.50 17.20 16.50 0.00 438.05 438.31 339.34 98.97
5 2731 114 40 17.50 15.90 15.40 0.00 438.41 438.27 338.94 99.33
6 3522 147 40 20.40 20.20 19.80 0.00 438.48 438.49 339.85 98.64
7 3815 159 40 27.00 21.70 21.30 0.00 439.74 439.03 339.96 99.07
8 4586 191 40 25.00 26.10 25.70 0.00 439.48 439.17 340.40 98.77
9 4510 188 41 23.00 25.70 25.40 0.00 438.84 439.01 340.44 98.57
10 3619 151 42 21.80 21.00 20.40 0.00 439.05 438.92 340.07 98.85
11 4221 176 42 23.90 24.10 23.80 0.00 439.00 439.00 340.44 98.56
12 3822 159 44 21.90 21.90 21.40 0.00 439.02 439.24 339.90 99.34
13 3933 164 43 20.80 22.60 22.10 0.00 438.59 438.95 340.04 98.91
14 4033 168 43 25.50 23.00 22.60 0.00 439.18 438.90 339.97 98.93
15 5463 228 42 29.80 31.10 30.90 0.00 438.85 439.11 340.87 98.24
16 4542 189 41 27.40 26.10 25.40 0.00 439.16 439.23 340.25 98.98
17 4008 167 43 23.50 23.00 22.50 0.00 439.28 439.26 340.10 99.16
18 5274 220 43 27.80 30.70 29.50 0.00 438.64 439.05 340.56 98.49
19 4752 198 41 30.10 27.10 26.60 0.00 439.33 439.01 339.91 99.10
20 4356 181 42 24.80 24.70 24.30 0.00 439.36 439.26 339.76 99.50
21 19.90 23.10 22.70 0.00 438.59 439.09 339.79 99.30
22 30.00 28.50 27.90 0.00 438.92 438.80 340.54 98.26
23 21.10 21.60 20.80 0.00 438.83 438.66 340.01 98.65
24 24.90 22.60 22.10 0.00 439.32 439.01 340.07 98.94
25 23.70 23.90 23.50 0.00 439.27 439.22 340.16 99.06
26 22.10 23.50 23.10 0.00 438.92 439.07 340.40 98.67
27 22.40 23.40 23.00 0.00 438.67 438.98 340.12 98.86
28
29
30
31
TOT 86260  849        
AVG 4313 180 42 24.47 24.49 24.00 0.00 438.96 438.96 340.14 98.82
MAX 6967   42.20 39.90 39.50 0.00 439.74 439.26 341.54 99.50
MIN 2731   16.50 15.90 15.40 0.00 438.05 438.27 338.94 97.64