US Army Corps of Engineers

Grand Coulee Dam

Tuesday July 15, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 67.00 67.00 0.00 1288.30 958.10 330.20
2 52.50 52.50 0.00 1288.30 956.90 331.40
3 45.00 45.00 0.00 1288.40 956.50 331.90
4 43.80 43.80 0.00 1288.50 956.30 332.20
5 44.90 44.90 0.00 1288.40 956.20 332.20
6 53.90 53.90 0.00 1288.30 956.80 331.50
7 67.10 67.10 0.00 1288.30 957.70 330.60
8 69.10 69.10 0.00 1288.40 958.00 330.40
9 77.50 77.50 0.00 1288.40 958.30 330.10
10 82.00 82.00 0.00 1288.40 958.70 329.70
11 84.10 84.10 0.00 1288.50 959.10 329.40
12 93.40 93.40 0.00 1288.40 959.80 328.60
13
14
15
16
17
18
19
20
21
22
23
24
AVG 65.03 65.03 0.00 1288.38 957.70 330.68
MAX 93.40 93.40 0.00 1288.50 959.80 332.20
MIN 43.80 43.80 0.00 1288.30 956.20 328.60