US Army Corps of Engineers

Grand Coulee Dam

Friday April 18, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 160.80 160.80 0.00 1272.60 966.70 305.90
2 157.70 157.70 0.00 1272.50 966.70 305.80
3 140.50 140.50 0.00 1272.40 965.60 306.80
4 126.90 126.90 0.00 1272.40 964.30 308.10
5 151.60 151.60 0.00 1272.40 965.50 306.90
6 168.00 168.00 0.00 1272.30 967.40 304.90
7 141.30 141.30 0.00 1272.30 966.20 306.10
8 132.60 132.60 0.00 1272.20 965.10 307.10
9 117.10 117.10 0.00 1272.10 963.90 308.20
10 95.10 95.10 0.00 1272.20 962.00 310.20
11 80.00 80.00 0.00 1272.20 960.60 311.60
12 68.20 68.20 0.00 1272.20 959.20 313.00
13 58.20 58.20 0.00 1272.20 958.40 313.80
14 51.40 51.40 0.00 1272.20 957.30 314.90
15 52.60 52.60 0.00 1272.20 956.90 315.30
16 59.30 59.30 0.00 1272.20 956.90 315.30
17 72.30 72.30 0.00 1272.30 957.60 314.70
18 78.50 78.50 0.00 1272.40 957.80 314.60
19 133.50 133.50 0.00 1272.30 961.60 310.70
20 153.60 153.60 0.00 1272.20 964.50 307.70
21 158.70 158.70 0.00 1272.20 965.40 306.80
22 147.00 147.00 0.00 1272.20 964.90 307.30
23 158.80 158.80 0.00 1272.20 965.60 306.60
24 135.40 135.40 0.00 1272.20 964.40 307.80
AVG 116.63 116.63 0.00 1272.28 962.69 309.59
MAX 168.00 168.00 0.00 1272.60 967.40 315.30
MIN 51.40 51.40 0.00 1272.10 956.90 304.90