Albeni Falls Dam on Pend Oreille River
May 2026
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Hope Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Midnight Forebay Lake Elevation |
| 1 | 350 | 15 | 4 | 38.60 | 36.80 | 17.20 | 19.60 | 2054.71 | 2051.45 | 2038.55 | 12.90 | 2051.80 |
| 2 | 327 | 14 | 4 | 38.90 | 35.30 | 14.80 | 20.50 | 2054.79 | 2051.98 | 2038.14 | 13.84 | 2052.00 |
| 3 | 312 | 13 | 4 | 31.90 | 34.60 | 13.90 | 20.70 | 2054.73 | 2052.12 | 2037.98 | 14.14 | 2052.40 |
| 4 | 235 | 10 | 4 | 40.90 | 31.90 | 10.10 | 21.80 | 2054.93 | 2052.76 | 2037.34 | 15.42 | 2053.10 |
| 5 | 362 | 15 | 4 | 43.50 | 30.40 | 13.80 | 16.60 | 2055.22 | 2053.26 | 2037.01 | 16.25 | 2053.40 |
| 6 | 510 | 21 | 4 | 43.50 | 30.30 | 18.70 | 11.60 | 2055.51 | 2053.61 | 2037.08 | 16.53 | 2053.80 |
| 7 | 513 | 21 | 4 | 42.10 | 30.30 | 18.40 | 11.90 | 2055.77 | 2053.92 | 2037.08 | 16.84 | 2054.20 |
| 8 | 559 | 23 | 4 | 43.70 | 32.80 | 20.80 | 12.00 | 2056.01 | 2054.04 | 2037.40 | 16.64 | 2054.00 |
| 9 | 591 | 25 | 4 | 43.90 | 35.30 | 23.30 | 12.00 | 2056.20 | 2054.06 | 2037.93 | 16.13 | 2054.30 |
| 10 | 597 | 25 | 4 | 48.90 | 35.30 | 23.00 | 12.30 | 2056.50 | 2054.41 | 2038.02 | 16.39 | 2054.60 |
| 11 | 544 | 23 | 4 | 51.70 | 39.80 | 22.00 | 17.80 | 2056.76 | 2054.13 | 2038.59 | 15.54 | 2053.70 |
| 12 | 497 | 21 | 4 | 54.50 | 47.70 | 24.60 | 23.10 | 2056.91 | 2053.50 | 2039.96 | 13.54 | 2053.20 |
| 13 | 459 | 19 | 4 | 64.50 | 52.10 | 27.70 | 24.40 | 2057.18 | 2052.73 | 2040.96 | 11.77 | 2052.30 |
| 14 | 419 | 17 | 4 | 69.80 | 54.70 | 27.90 | 26.80 | 2057.51 | 2052.58 | 2041.63 | 10.95 | 2052.80 |
| 15 | 435 | 18 | 4 | 68.80 | 56.00 | 28.40 | 27.60 | 2057.79 | 2053.02 | 2041.83 | 11.19 | 2053.30 |
| 16 | 453 | 19 | 4 | 61.50 | 56.90 | 28.60 | 28.30 | 2057.89 | 2053.38 | 2041.93 | 11.45 | 2053.50 |
| 17 | 462 | 19 | 4 | 62.20 | 57.20 | 28.40 | 28.80 | 2058.00 | 2053.68 | 2041.97 | 11.71 | 2053.80 |
| 18 | 503 | 21 | 4 | 58.30 | 54.20 | 27.30 | 26.90 | 2058.09 | 2054.38 | 2041.58 | 12.80 | 2054.90 |
| 19 | 515 | 21 | 4 | 53.50 | 49.40 | 23.60 | 25.80 | 2058.18 | 2055.16 | 2040.85 | 14.31 | 2055.50 |
| 20 | 566 | 24 | 4 | 52.40 | 45.00 | 23.00 | 22.00 | 2058.34 | 2055.83 | 2040.16 | 15.67 | 2056.20 |
| 21 | 697 | 29 | 4 | 50.80 | 42.00 | 27.20 | 14.80 | 2058.53 | 2056.42 | 2039.60 | 16.82 | 2056.70 |
| 22 | 785 | 33 | 4 | 50.90 | 40.20 | 29.70 | 10.50 | 2058.76 | 2056.85 | 2039.18 | 17.67 | 2057.00 |
| 23 | 801 | 33 | 4 | 46.90 | 40.40 | 29.80 | 10.60 | 2058.90 | 2057.04 | 2039.06 | 17.98 | 2057.10 |
| 24 | 805 | 34 | 4 | 44.00 | 40.30 | 29.70 | 10.60 | 2058.98 | 2057.11 | 2039.02 | 18.09 | 2057.20 |
| 25 | 807 | 34 | 4 | 45.50 | 39.90 | 29.20 | 10.70 | 2059.10 | 2057.28 | 2038.98 | 18.30 | 2057.20 |
| 26 | 828 | 34 | 4 | 44.70 | 41.90 | 31.20 | 10.70 | 2059.16 | 2057.20 | 2039.22 | 17.98 | 2057.10 |
| 27 | 860 | 36 | 4 | 50.50 | 44.90 | 34.20 | 10.70 | 2059.28 | 2057.17 | 2039.71 | 17.46 | 2057.30 |
| 28 | 737 | 31 | 4 | 53.90 | 49.30 | 30.20 | 19.10 | 2059.38 | 2056.78 | 2040.36 | 16.42 | 2056.20 |
| 29 | | | | 55.60 | 55.10 | 25.20 | 29.90 | 2059.39 | 2056.28 | 2041.25 | 15.03 | 2056.30 |
| 30 | | | | 70.90 | 60.70 | 24.50 | 36.20 | 2059.61 | 2055.65 | 2042.08 | 13.57 | 2055.20 |
| 31 | | | | 73.30 | 67.20 | 22.50 | 44.70 | 2059.74 | 2054.93 | 2043.20 | 11.73 | 2054.50 |
|
| TOT | 15529 | | 116 | | | | | | | | | |
| AVG | 555 | 23 | 4 | 51.62 | 44.13 | 24.16 | 19.97 | 2057.48 | 2054.60 | 2039.60 | 15.00 | 2054.66 |
|
| MAX | 860 | | | 73.30 | 67.20 | 34.20 | 44.70 | 2059.74 | 2057.28 | 2043.20 | 18.30 | 2057.30 |
| MIN | 235 | | | 31.90 | 30.30 | 10.10 | 10.50 | 2054.71 | 2051.45 | 2037.01 | 10.95 | 2051.80 |