US Army Corps of Engineers

Cougar Dam

December 2025

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 0 0 7 289 320 0 320 1502.73 1502.82 1250.84 251.98 36991.60
2 0 0 5 275 320 0 320 1502.53 1502.63 1250.83 251.80 36911.49
3 0 0 11 267 310 0 310 1502.28 1502.41 1250.87 251.54 36811.59
4 0 0 0 264 310 0 310 1502.07 1502.16 1250.92 251.24 36727.87
5 0 0 1 421 320 0 310 1503.91 1502.58 1250.93 251.65 37554.74
6 0 0 0 982 620 0 620 1504.61 1504.66 1251.56 253.10 37904.25
7 0 0 4 594 720 0 720 1504.00 1504.25 1251.78 252.47 37600.00
8 0 0 3 613 640 0 640 1504.36 1504.02 1251.62 252.40 37779.28
9 0 0 6 1018 750 0 750 1506.82 1505.27 1251.85 253.42 38927.71
10 0 0 0 1798 900 0 900 1509.83 1508.68 1252.13 256.55 40414.58
11 0 0 6 1178 900 0 900 1510.31 1510.22 1252.15 258.07 40654.38
12 0 0 0 818 860 0 860 1509.84 1510.09 1252.09 258.00 40419.60
13 0 0 0 635 750 0 750 1509.21 1509.51 1251.94 257.57 40104.51
14 0 0 0 523 580 0 580 1508.87 1508.97 1251.75 257.22 39934.66
15 0 0 11 496 490 0 500 1509.27 1508.93 1251.66 257.27 40134.42
16 0 0 2 721 500 0 500 1510.05 1509.70 1251.66 258.04 40524.86
17 0 0 0 1171 560 0 560 1513.35 1511.70 1251.67 260.03 42174.36
18 0 0 4 1703 600 0 600 1521.19 1515.93 1251.70 264.23 46294.61
19 0 0 1 6493 730 0 730 1542.67 1533.80 1251.76 282.04 58034.56
20 0 0 5 3675 780 0 780 1549.59 1546.76 1251.87 294.89 62053.34
21 0 0 0 2101 790 0 790 1553.73 1551.69 1251.89 299.80 64637.49
22 0 0 5 2204 810 0 810 1557.98 1556.08 1251.92 304.16 67287.95
23 0 0 0 1815 820 0 830 1560.60 1559.44 1251.93 307.51 68959.42
24 99 4 0 1442 870 180 700 1562.11 1561.49 1252.28 309.21 69965.77
25 592 25 0 1261 1090 1090 0 1562.52 1562.36 1254.02 308.34 70211.41
26 578 24 3 1132 1260 970 290 1562.17 1562.50 1254.07 308.43 70001.66
27 571 24 2 1144 1780 900 880 1560.23 1561.28 1254.20 307.08 68737.57
28 563 23 2 1083 1840 940 900 1557.75 1558.99 1254.22 304.77 67149.53
29 555 23 2 977 1820 920 900 1555.06 1556.39 1254.20 302.19 65435.85
30 548 23 13 953 1790 890 900 1552.20 1553.61 1254.20 299.41 63719.58
31 538 22 3 851 1760 860 900 1549.26 1550.71 1254.19 296.52 61855.48
TOT 4044  96         
AVG 130 5 3 1255 858 218 641 1527.78 1527.08 1252.22 274.87 50513.36
MAX 592   6493 1840 1090 900 1562.52 1562.50 1254.22 309.21 70211.41
MIN 0   264 310 0 0 1502.07 1502.16 1250.83 251.24 36727.87