US Army Corps of Engineers

Grand Coulee Dam

Tuesday May 20, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 104.80 104.80 0.00 1269.50 960.70 308.80
2 106.30 106.30 0.00 1269.40 960.80 308.60
3 100.10 100.10 0.00 1269.40 960.40 309.00
4 99.70 99.70 0.00 1269.40 960.30 309.10
5 99.90 99.90 0.00 1269.40 960.30 309.10
6 98.20 98.20 0.00 1269.50 960.30 309.20
7 88.50 88.50 0.00 1269.60 959.50 310.10
8 94.50 94.50 0.00 1269.60 959.80 309.80
9 74.70 74.70 0.00 1269.60 958.60 311.00
10 71.60 71.60 0.00 1269.70 957.60 312.10
11 73.90 73.90 0.00 1269.70 957.50 312.20
12 73.40 73.40 0.00 1269.80 957.60 312.20
13 85.20 85.20 0.00 1269.90 958.30 311.60
14 86.80 86.70 0.10 1270.00 958.50 311.50
15 77.00 77.00 0.00 1270.00 958.10 311.90
16 68.70 68.60 0.10 1270.00 957.30 312.70
17
18
19
20
21
22
23
24
AVG 87.71 87.69 0.01 1269.66 959.10 310.56
MAX 106.30 106.30 0.10 1270.00 960.80 312.70
MIN 68.70 68.60 0.00 1269.40 957.30 308.60