Grand Coulee Dam
Wednesday October 15, 2025
Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
1 | 57.40 | 57.40 | 0.00 | 1285.40 | 956.70 | 328.70 |
2 | 51.50 | 51.50 | 0.00 | 1285.30 | 956.20 | 329.10 |
3 | 38.30 | 38.30 | 0.00 | 1285.20 | 955.20 | 330.00 |
4 | 42.40 | 42.40 | 0.00 | 1285.20 | 955.40 | 329.80 |
5 | 67.10 | 67.10 | 0.00 | 1285.20 | 957.20 | 328.00 |
6 | 80.90 | 80.90 | 0.00 | 1285.30 | 958.70 | 326.60 |
7 | 107.20 | 107.20 | 0.00 | 1285.20 | 960.70 | 324.50 |
8 | 122.80 | 122.80 | 0.00 | 1285.10 | 962.30 | 322.80 |
9 | 111.70 | 111.70 | 0.00 | 1285.10 | 962.10 | 323.00 |
10 | 93.80 | 93.80 | 0.00 | 1285.10 | 960.60 | 324.50 |
11 | 86.60 | 86.60 | 0.00 | 1285.10 | 959.40 | 325.70 |
12 | 81.10 | 81.10 | 0.00 | 1285.10 | 959.20 | 325.90 |
13 | 63.20 | 63.20 | 0.00 | 1285.10 | 958.20 | 326.90 |
14 | 49.40 | 49.40 | 0.00 | 1285.20 | 956.80 | 328.40 |
15 | 50.00 | 50.00 | 0.00 | 1285.10 | 956.80 | 328.30 |
16 | 55.40 | 55.40 | 0.00 | 1285.10 | 957.10 | 328.00 |
17 | 63.30 | 63.30 | 0.00 | 1285.10 | 957.50 | 327.60 |
18 | 84.40 | 84.40 | 0.00 | 1285.10 | 958.90 | 326.20 |
19 | 87.80 | 87.80 | 0.00 | 1285.00 | 959.90 | 325.10 |
20 | 84.10 | 84.10 | 0.00 | 1285.10 | 959.60 | 325.50 |
21 | 81.90 | 81.90 | 0.00 | 1285.10 | 959.40 | 325.70 |
22 | 76.60 | 76.60 | 0.00 | 1285.10 | 958.90 | 326.20 |
23 | 67.90 | 67.90 | 0.00 | 1285.10 | 958.20 | 326.90 |
24 | 56.50 | 56.50 | 0.00 | 1285.20 | 957.30 | 327.90 |
|
AVG | 73.39 | 73.39 | 0.00 | 1285.15 | 958.43 | 326.72 |
|
MAX | 122.80 | 122.80 | 0.00 | 1285.40 | 962.30 | 330.00 |
MIN | 38.30 | 38.30 | 0.00 | 1285.00 | 955.20 | 322.80 |