Grand Coulee Dam
Monday October 13, 2025
Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
1 | 50.00 | 50.00 | 0.00 | 1285.70 | 955.40 | 330.30 |
2 | 48.70 | 48.70 | 0.00 | 1285.80 | 955.60 | 330.20 |
3 | 49.50 | 49.50 | 0.00 | 1285.80 | 955.70 | 330.10 |
4 | 49.50 | 49.50 | 0.00 | 1285.80 | 955.70 | 330.10 |
5 | 58.50 | 58.50 | 0.00 | 1285.80 | 956.50 | 329.30 |
6 | 67.60 | 67.60 | 0.00 | 1285.80 | 957.40 | 328.40 |
7 | 79.50 | 79.50 | 0.00 | 1285.70 | 958.30 | 327.40 |
8 | 91.50 | 91.50 | 0.00 | 1285.70 | 959.40 | 326.30 |
9 | 85.80 | 85.80 | 0.00 | 1285.70 | 959.20 | 326.50 |
10 | 82.40 | 82.40 | 0.00 | 1285.80 | 958.40 | 327.40 |
11 | 79.20 | 79.20 | 0.00 | 1285.70 | 958.00 | 327.70 |
12 | 84.40 | 84.40 | 0.00 | 1285.70 | 958.40 | 327.30 |
13 | 75.10 | 75.10 | 0.00 | 1285.70 | 957.90 | 327.80 |
14 | 70.50 | 70.50 | 0.00 | 1285.70 | 957.30 | 328.40 |
15 | 71.50 | 71.50 | 0.00 | 1285.60 | 957.20 | 328.40 |
16 | 78.50 | 78.50 | 0.00 | 1285.60 | 957.60 | 328.00 |
17 | 93.90 | 93.90 | 0.00 | 1285.60 | 959.20 | 326.40 |
18 | 88.90 | 88.90 | 0.00 | 1285.60 | 959.30 | 326.30 |
19 | 94.00 | 94.00 | 0.00 | 1285.50 | 959.70 | 325.80 |
20 | 101.30 | 101.30 | 0.00 | 1285.50 | 960.40 | 325.10 |
21 | 100.00 | 100.00 | 0.00 | 1285.50 | 960.70 | 324.80 |
22 | 81.20 | 81.20 | 0.00 | 1285.50 | 959.40 | 326.10 |
23 | 77.40 | 77.40 | 0.00 | 1285.50 | 958.80 | 326.70 |
24 | 53.20 | 53.20 | 0.00 | 1285.50 | 957.30 | 328.20 |
|
AVG | 75.50 | 75.50 | 0.00 | 1285.66 | 958.03 | 327.63 |
|
MAX | 101.30 | 101.30 | 0.00 | 1285.80 | 960.70 | 330.30 |
MIN | 48.70 | 48.70 | 0.00 | 1285.50 | 955.40 | 324.80 |