US Army Corps of Engineers

Wanapum Dam & Lake

March 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 9450 394 21 81.00 66.80 65.80 0.00 570.89 569.39 488.91 80.48
2 8788 366 21 49.00 62.20 61.20 0.00 569.08 569.07 488.78 80.29
3 8541 356 21 61.40 59.80 58.80 0.00 569.30 569.28 488.29 80.99
4 9848 410 22 61.00 69.70 68.70 0.00 568.10 568.71 488.22 80.49
5 9347 389 22 78.40 65.50 64.50 0.00 569.88 569.27 487.95 81.32
6 9899 412 22 63.80 70.40 69.40 0.00 568.98 568.77 487.92 80.85
7 10817 451 22 81.10 76.10 75.10 0.00 569.65 568.75 488.12 80.63
8 10576 441 21 82.60 73.40 72.30 0.10 570.91 570.09 488.54 81.55
9 8050 335 21 58.10 57.70 54.30 2.40 570.97 570.23 487.09 83.14
10 570.62
11 11697 487 20 96.00 92.40 80.60 10.80 570.51 570.89 489.38 81.51
12 10553 440 20 74.20 75.00 72.40 1.60 570.77 570.55 488.10 82.45
13 10571 440 20 68.00 73.80 72.80 0.00 570.47 569.68 488.53 81.15
14 11764 490 19 96.90 89.90 80.70 8.20 571.13 570.64 489.08 81.56
15 13109 546 20 84.20 93.10 91.40 0.60 569.61 570.17 489.57 80.60
16 10137 422 19 79.10 70.60 69.30 0.30 571.15 570.22 488.10 82.12
17 10233 426 19 56.10 74.20 70.40 2.80 568.99 569.82 488.32 81.50
18 9949 415 19 88.10 71.10 67.60 2.50 570.40 569.66 487.10 82.56
19 10420 434 19 70.90 73.10 72.10 0.00 570.86 569.92 487.98 81.94
20 9264 386 18 66.50 65.30 62.40 1.30 571.03 570.49 487.28 83.21
21 11347 473 18 90.20 91.20 77.40 11.80 571.05 570.82 488.70 82.12
22 15840 660 18 121.20 121.70 111.40 8.30 570.75 570.88 491.11 79.77
23 11910 496 19 84.50 83.50 81.10 0.40 571.23 570.65 488.48 82.17
24 9103 379 19 72.70 79.60 61.70 15.90 570.19 570.44 488.15 82.29
25 11042 460 19 89.30 87.70 76.00 9.70 569.97 570.37 488.35 82.02
26 8983 374 19 84.10 78.20 61.70 14.50 570.89 570.65 488.73 81.92
27 13338 556 19 104.30 104.20 93.00 9.30 571.17 570.25 490.14 80.11
28 12723 530 20 80.30 91.50 87.80 1.70 569.49 570.12 489.39 80.73
29 12415 517 19 90.50 89.10 87.10 0.00 569.34 569.14 489.28 79.86
30 10599 442 18 71.60 76.40 74.40 0.00 569.30 567.95 488.25 79.70
31 10463 436 18 88.70 81.00 71.60 7.30 570.01 569.62 487.62 82.00
TOT320776  592        
AVG 10693 446 20 79.13 78.81 73.77 3.65 570.22 569.88 488.52 81.37
MAX 15840   121.20 121.70 111.40 15.90 571.23 570.89 491.11 83.21
MIN 8050   49.00 57.70 54.30 0.00 568.10 567.95 487.09 79.70