US Army Corps of Engineers

Grand Coulee Dam

Thursday May 8, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 106.40 106.40 0.00 1265.50 960.50 305.00
2 92.60 92.60 0.00 1265.40 959.40 306.00
3 92.80 92.80 0.00 1265.30 959.20 306.10
4 94.40 94.40 0.00 1265.30 959.50 305.80
5 89.80 89.80 0.00 1265.40 959.20 306.20
6 126.30 126.30 0.00 1265.40 961.70 303.70
7 124.90 124.90 0.00 1265.40 962.50 302.90
8 139.00 139.00 0.00 1265.30 963.70 301.60
9 112.40 112.40 0.00 1265.30 962.00 303.30
10 109.10 109.10 0.00 1265.30 960.60 304.70
11 100.70 100.70 0.00 1265.40 959.80 305.60
12 81.60 81.60 0.00 1265.40 958.70 306.70
13 89.10 89.10 0.00 1265.40 958.90 306.50
14 91.00 91.00 0.00 1265.40 959.00 306.40
15 87.50 87.50 0.00 1265.40 958.70 306.70
16 94.40 94.40 0.00 1265.40 958.80 306.60
17 109.90 109.90 0.00 1265.40 959.80 305.60
18 118.60 118.60 0.00 1265.40 961.10 304.30
19 128.70 128.70 0.00 1265.40 962.10 303.30
20 155.90 155.90 0.00 1265.30 964.40 300.90
21 151.90 151.90 0.00 1265.30 964.90 300.40
22 141.50 141.50 0.00 1265.30 964.10 301.20
23 177.30 177.30 0.00 1265.20 966.40 298.80
24 169.20 169.20 0.00 1265.10 967.00 298.10
AVG 116.04 116.04 0.00 1265.35 961.33 304.02
MAX 177.30 177.30 0.00 1265.50 967.00 306.70
MIN 81.60 81.60 0.00 1265.10 958.70 298.10