US Army Corps of Engineers

Wanapum 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 10190 425 24 69.00 77.40 73.10 3.30 565.18 565.37 487.42 77.95
2 11783 491 23 95.30 88.00 87.00 0.00 566.21 565.66 488.96 76.70
3 11624 484 23 76.00 87.90 86.90 0.00 564.53 564.68 488.88 75.80
4 9696 404 24 104.20 71.90 70.90 0.00 569.07 566.25 487.98 78.27
5 15100 629 23 108.20 107.80 106.80 0.00 569.13 569.41 490.30 79.11
6 13932 580 23 92.00 100.30 99.30 0.00 567.98 568.09 489.59 78.50
7 11695 487 22 76.40 83.00 82.00 0.00 567.06 568.20 488.71 79.49
8 10883 453 23 76.70 79.10 78.10 0.00 566.73 566.71 488.04 78.67
9 12873 536 23 99.70 95.20 94.20 0.00 567.36 567.04 489.17 77.87
10 13742 573 23 101.90 100.60 99.60 0.00 567.54 567.65 489.49 78.16
11 13442 560 22 82.80 99.20 98.20 0.00 565.23 566.42 489.28 77.14
12 11982 499 23 102.00 87.20 86.20 0.00 567.32 566.77 488.69 78.08
13 12920 538 21 94.40 94.40 93.40 0.00 567.32 566.48 489.34 77.14
14 11445 477 22 82.50 83.00 82.00 0.00 567.25 567.26 488.74 78.52
15 9762 407 21 57.90 71.10 70.10 0.00 565.39 566.05 488.06 77.99
16 10793 450 22 82.60 80.70 79.70 0.00 565.67 565.39 488.41 76.98
17 10693 446 23 85.50 80.70 79.70 0.00 566.35 565.36 488.25 77.11
18 11935 497 22 93.30 86.40 85.40 0.00 567.33 567.08 489.14 77.94
19 13035 543 23 105.30 93.50 92.50 0.00 568.97 568.64 489.44 79.20
20 13434 560 23 93.20 96.00 95.00 0.00 568.58 568.99 489.53 79.46
21 13871 578 23 92.90 100.90 99.90 0.00 567.47 567.36 489.75 77.61
22 85.80 91.40 90.50 0.00 566.68 567.60 489.30 78.30
23 92.60 99.90 98.90 0.00 565.66 566.12 489.63 76.49
24 102.50 88.40 87.40 0.00 567.64 566.32 488.65 77.67
25 98.70 100.20 99.20 0.00 567.43 567.03 489.45 77.58
26 73.30 76.60 75.60 0.00 566.96 566.83 487.97 78.86
27 86.30 78.20 77.20 0.00 568.10 567.49 488.41 79.08
28
29
30
31
TOT254830  476        
AVG 12135 506 23 89.30 88.85 87.73 0.12 567.04 566.90 488.91 77.99
MAX 15100   108.20 107.80 106.80 3.30 569.13 569.41 490.30 79.49
MIN 9696   57.90 71.10 70.10 0.00 564.53 564.68 487.42 75.80