US Army Corps of Engineers

Grand Coulee Dam

Thursday November 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 100.90 100.90 0.00 1288.40 960.70 327.70
2 87.40 87.40 0.00 1288.40 960.30 328.10
3 84.30 84.30 0.00 1288.40 959.50 328.90
4 82.60 82.60 0.00 1288.40 959.20 329.20
5 69.10 69.10 0.00 1288.40 958.40 330.00
6 81.50 81.50 0.00 1288.40 959.00 329.40
7 86.30 86.30 0.00 1288.30 959.80 328.50
8 93.50 93.50 0.00 1288.30 960.20 328.10
9 84.60 84.60 0.00 1288.30 959.60 328.70
10 71.90 71.90 0.00 1288.40 958.60 329.80
11 66.00 66.00 0.00 1288.40 957.90 330.50
12 65.10 65.10 0.00 1288.40 957.80 330.60
13 62.80 62.80 0.00 1288.40 957.60 330.80
14 66.70 66.70 0.00 1288.30 957.90 330.40
15 65.70 65.70 0.00 1288.30 958.00 330.30
16 85.80 85.80 0.00 1288.20 959.10 329.10
17 119.80 119.80 0.00 1288.20 962.00 326.20
18 131.60 131.60 0.00 1288.20 963.40 324.80
19 128.00 128.00 0.00 1288.20 963.30 324.90
20 134.10 134.10 0.00 1288.20 963.70 324.50
21 124.00 124.00 0.00 1288.20 963.30 324.90
22 115.80 115.80 0.00 1288.10 962.70 325.40
23 105.50 105.50 0.00 1288.10 961.60 326.50
24 88.40 88.40 0.00 1288.10 960.40 327.70
AVG 91.73 91.73 0.00 1288.29 960.17 328.13
MAX 134.10 134.10 0.00 1288.40 963.70 330.80
MIN 62.80 62.80 0.00 1288.10 957.60 324.50