Cougar Dam
September 2026
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow cfs | Total Outflow cfs | Generation Flow cfs | Spill cfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Midnight Storage kaf |
| 1 | 85 | 4 | 0 | 211 | 350 | 180 | 180 | 1558.57 | 1558.78 | 1252.06 | 306.72 | 67641.39 |
| 2 | 82 | 3 | 2 | 240 | 360 | 170 | 190 | 1558.22 | 1558.36 | 1252.04 | 306.32 | 67431.57 |
| 3 | 82 | 3 | 2 | 275 | 350 | 160 | 190 | 1557.89 | 1558.08 | 1252.04 | 306.04 | 67233.75 |
| 4 | 82 | 3 | 2 | | 350 | 150 | 200 | | | | | |
| 5 | | | | | 340 | | | 1557.00 | 1557.21 | 1252.04 | 305.17 | 66700.00 |
| 6 | | | | 203 | 340 | | | 1556.59 | 1556.79 | 1252.05 | 304.74 | 66412.16 |
| 7 | | | | 178 | 340 | | | 1556.21 | 1556.35 | 1252.15 | 304.20 | 66146.42 |
| 8 | | | | 179 | 340 | | | 1555.62 | 1555.87 | 1252.10 | 303.77 | 65771.40 |
| 9 | | | | 186 | 340 | | | 1555.11 | 1555.37 | 1252.11 | 303.26 | 65465.75 |
| 10 | | | | 182 | 350 | | | 1554.57 | 1554.83 | 1252.15 | 302.68 | 65141.37 |
| 11 | | | | 180 | 360 | | | 1554.00 | 1554.29 | 1252.15 | 302.14 | 64800.00 |
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| TOT | 331 | | 6 | | | | | | | | | |
| AVG | 83 | 3 | 2 | 204 | 347 | 165 | 190 | 1556.38 | 1556.59 | 1252.09 | 304.50 | 66274.38 |
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| MAX | 85 | | | 275 | 360 | 180 | 200 | 1558.57 | 1558.78 | 1252.15 | 306.72 | 67641.39 |
| MIN | 82 | | | 178 | 340 | 150 | 180 | 1554.00 | 1554.29 | 1252.04 | 302.14 | 64800.00 |