US Army Corps of Engineers

Grand Coulee Dam

Friday May 16, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 103.90 103.90 0.00 1265.80 961.20 304.60
2 84.40 84.40 0.00 1265.80 959.40 306.40
3 81.40 81.40 0.00 1265.80 959.10 306.70
4 75.00 75.00 0.00 1265.90 958.70 307.20
5 79.10 79.10 0.00 1265.90 958.70 307.20
6 113.50 113.50 0.00 1265.80 961.20 304.60
7 97.40 97.40 0.00 1265.90 960.90 305.00
8 102.20 102.20 0.00 1265.90 960.60 305.30
9 89.00 89.00 0.00 1265.90 959.90 306.00
10 78.10 78.10 0.00 1266.00 958.90 307.10
11 63.60 63.60 0.00 1266.10 957.60 308.50
12 62.80 62.80 0.00 1266.10 957.20 308.90
13 70.60 70.60 0.00 1266.00 957.90 308.10
14 71.10 71.10 0.00 1266.10 957.90 308.20
15 76.10 76.10 0.00 1266.20 958.00 308.20
16 76.40 76.40 0.00 1266.30 957.90 308.40
17 90.10 90.10 0.00 1266.30 958.80 307.50
18 88.70 88.70 0.00 1266.40 958.90 307.50
19 112.00 112.00 0.00 1266.40 960.30 306.10
20 119.10 119.10 0.00 1266.30 961.90 304.40
21 108.70 108.70 0.00 1266.40 961.30 305.10
22 112.80 112.80 0.00 1266.40 961.30 305.10
23 143.00 143.00 0.00 1266.30 963.60 302.70
24 114.20 114.20 0.00 1266.40 962.40 304.00
AVG 92.22 92.22 0.00 1266.10 959.73 306.37
MAX 143.00 143.00 0.00 1266.40 963.60 308.90
MIN 62.80 62.80 0.00 1265.80 957.20 302.70