US Army Corps of Engineers

Grand Coulee Dam

Saturday May 17, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 104.30 104.30 0.00 1266.50 961.00 305.50
2 95.20 95.20 0.00 1266.40 959.70 306.70
3 83.80 83.80 0.00 1266.50 958.90 307.60
4 85.90 85.90 0.00 1266.50 958.80 307.70
5 87.10 87.10 0.00 1266.50 958.80 307.70
6 83.10 83.10 0.00 1266.50 958.60 307.90
7 84.70 84.70 0.00 1266.60 958.50 308.10
8 71.00 71.00 0.00 1266.70 957.40 309.30
9 75.40 75.40 0.00 1266.70 957.80 308.90
10 73.20 73.20 0.00 1266.70 957.70 309.00
11 61.10 61.10 0.00 1266.80 956.80 310.00
12 58.90 58.90 0.00 1266.80 956.40 310.40
13 61.90 61.90 0.00 1266.80 956.70 310.10
14 55.40 55.40 0.00 1266.90 956.40 310.50
15 50.00 50.00 0.00 1267.00 955.70 311.30
16 45.60 45.60 0.00 1267.10 955.20 311.90
17 34.80 34.80 0.00 1267.20 954.70 312.50
18 41.60 41.60 0.00 1267.20 954.90 312.30
19 64.20 64.20 0.00 1267.20 956.50 310.70
20 73.20 73.20 0.00 1267.20 957.60 309.60
21 77.60 77.60 0.00 1267.30 957.60 309.70
22 76.00 76.00 0.00 1267.40 957.40 310.00
23 81.90 81.90 0.00 1267.50 957.90 309.60
24 72.70 72.70 0.00 1267.70 957.40 310.30
AVG 70.78 70.78 0.00 1266.90 957.43 309.47
MAX 104.30 104.30 0.00 1267.70 961.00 312.50
MIN 34.80 34.80 0.00 1266.40 954.70 305.50