US Army Corps of Engineers

Cougar Dam

May 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow cfsTotal Outflow cfsGeneration Flow cfsSpill cfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 83 3 9 566 340 150 190 1572.63 1572.34 1251.99 320.35 77040.31
2 83 3 2 532 340 150 180 1573.21 1572.93 1251.99 320.94 77446.51
3 58 2 0 523 360 120 240 1573.61 1573.44 1251.84 321.60 77726.30
4 90 4 3 490 360 160 200 1573.96 1573.78 1252.04 321.74 77971.88
5 88 4 0 466 350 160 190 1574.27 1574.12 1251.70 322.42 78188.43
6 84 4 2 449 340 150 190 1574.55 1574.42 1251.95 322.47 78384.28
7 85 4 2 423 350 160 190 1574.75 1574.65 1251.96 322.69 78524.45
8 84 4 2 410 340 160 190 1574.92 1574.84 1251.99 322.85 78643.78
9 87 4 2 401 340 160 190 1575.07 1575.00 1251.99 323.01 78748.81
10 88 4 0 383 350 160 190 1575.15 1575.12 1251.95 323.17 78804.63
11 89 4 2 376 350 160 190 1575.37 1575.21 1252.00 323.21 78958.33
12 88 4 0 370 350 160 190 1575.41 1575.27 1251.91 323.36 78986.30
13 83 3 2 396 340 150 190 1575.63 1575.45 1251.99 323.46 79140.33
14 84 4 2 393 340 150 190 1575.72 1575.68 1252.00 323.68 79203.42
15 99 4 2 365 340 180 160 1575.77 1575.75 1252.09 323.66 79238.49
16 97 4 1 385 340 180 160 1575.95 1575.86 1252.09 323.77 79364.86
17 110 5 1 426 350 200 160 1576.12 1576.06 1252.28 323.78 79495.60
18 110 5 2 401 360 200 160 1576.22 1576.18 1252.46 323.72 79575.35
19 111 5 0 375 360 200 160 1576.25 1576.25 1252.12 324.13 79599.29
20 104 4 4 359 340 190 150 1576.30 1576.28 1252.27 324.01 79639.21
21 105 4 2 356 340 190 150 1576.32 1576.32 1252.10 324.22 79655.18
22 105 4 2 334 340 190 150 1576.30 1576.32 1252.10 324.22 79639.21
23 105 4 2 331 340 190 150 1576.27 1576.29 1252.09 324.20 79615.26
24 107 4 1 325 340 200 150 1576.23 1576.26 1252.11 324.15 79583.33
25 105 4 1 312 340 190 150 1576.17 1576.19 1252.15 324.04 79535.47
26 105 4 0 340 340 190 150 1576.18 1576.17 1252.06 324.11 79543.44
27 104 4 2 338 340 190 150 1576.13 1576.16 1252.10 324.06 79503.57
28 106 4 2 311 340 190 150 1576.15 1576.12 1252.10 324.02 79519.52
29 523 340 1576.70 1576.42 1252.10 324.32 79959.21
30 512 340 1577.04 1576.90 1252.10 324.80 80227.89
31 423 350 1577.21 1577.14 1252.10 325.04 80346.53
TOT 2647  50         
AVG 95 4 2 406 345 172 174 1575.53 1575.45 1252.06 323.39 79090.62
MAX 111   566 360 200 240 1577.21 1577.14 1252.46 325.04 80346.53
MIN 58   311 340 120 150 1572.63 1572.34 1251.70 320.35 77040.31
BUILDING STRONG®