Grand Coulee Dam
Friday October 17, 2025
Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
1 | 38.90 | 38.90 | 0.00 | 1285.00 | 955.60 | 329.40 |
2 | 34.60 | 34.60 | 0.00 | 1285.10 | 955.50 | 329.60 |
3 | 33.00 | 33.00 | 0.00 | 1285.10 | 955.20 | 329.90 |
4 | 34.40 | 34.40 | 0.00 | 1285.20 | 955.20 | 330.00 |
5 | 33.50 | 33.50 | 0.00 | 1285.20 | 955.40 | 329.80 |
6 | 38.10 | 38.10 | 0.00 | 1285.20 | 955.50 | 329.70 |
7 | 54.10 | 54.10 | 0.00 | 1285.20 | 956.60 | 328.60 |
8 | 53.90 | 53.90 | 0.00 | 1285.20 | 956.80 | 328.40 |
9 | 50.40 | 50.40 | 0.00 | 1285.20 | 956.40 | 328.80 |
10 | 42.90 | 42.90 | 0.00 | 1285.30 | 955.60 | 329.70 |
11 | 32.30 | 32.30 | 0.00 | 1285.30 | 954.80 | 330.50 |
12 | 34.20 | 34.20 | 0.00 | 1285.30 | 954.80 | 330.50 |
13 | 32.70 | 32.70 | 0.00 | 1285.30 | 954.80 | 330.50 |
14 | 34.10 | 34.10 | 0.00 | 1285.30 | 954.90 | 330.40 |
15 | 28.60 | 28.60 | 0.00 | 1285.30 | 954.60 | 330.70 |
16 | 29.00 | 29.00 | 0.00 | 1285.40 | 954.90 | 330.50 |
17 | 37.50 | 37.50 | 0.00 | 1285.50 | 955.30 | 330.20 |
18 | 64.70 | 64.70 | 0.00 | 1285.50 | 957.40 | 328.10 |
19 | 63.60 | 63.60 | 0.00 | 1285.40 | 957.60 | 327.80 |
20 | 62.70 | 62.70 | 0.00 | 1285.40 | 957.10 | 328.30 |
21 | 58.30 | 58.30 | 0.00 | 1285.30 | 956.40 | 328.90 |
22 | 54.80 | 54.80 | 0.00 | 1285.40 | 956.20 | 329.20 |
23 | 49.60 | 49.60 | 0.00 | 1285.50 | 955.60 | 329.90 |
24 | 55.00 | 55.00 | 0.00 | 1285.50 | 955.60 | 329.90 |
|
AVG | 43.79 | 43.79 | 0.00 | 1285.30 | 955.74 | 329.55 |
|
MAX | 64.70 | 64.70 | 0.00 | 1285.50 | 957.60 | 330.70 |
MIN | 28.60 | 28.60 | 0.00 | 1285.00 | 954.60 | 327.80 |