US Army Corps of Engineers

Grand Coulee Dam

Saturday January 24, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 147.40 147.40 0.00 1280.10 965.10 315.00
2 148.30 148.30 0.00 1280.10 965.20 314.90
3 158.70 158.70 0.00 1280.00 965.80 314.20
4 165.20 165.20 0.00 1280.00 966.60 313.40
5 161.80 161.80 0.00 1280.00 966.60 313.40
6 155.60 155.60 0.00 1279.90 966.20 313.70
7 149.80 149.80 0.00 1279.90 965.90 314.00
8 152.90 152.90 0.00 1279.80 966.00 313.80
9 153.40 153.40 0.00 1279.80 966.30 313.50
10 150.70 150.70 0.00 1279.70 966.10 313.60
11 142.60 142.60 0.00 1279.80 965.60 314.20
12 124.30 124.30 0.00 1279.80 964.20 315.60
13 111.30 111.30 0.00 1279.80 962.80 317.00
14 97.60 97.60 0.00 1279.80 961.60 318.20
15 91.90 91.90 0.00 1279.80 960.70 319.10
16 94.20 94.20 0.00 1279.80 960.40 319.40
17 128.00 128.00 0.00 1279.70 962.80 316.90
18 158.10 158.10 0.00 1279.70 965.50 314.20
19 159.80 159.80 0.00 1279.70 966.40 313.30
20 154.00 154.00 0.00 1279.80 966.10 313.70
21 151.40 151.40 0.00 1279.80 965.90 313.90
22 154.40 154.40 0.00 1279.80 965.80 314.00
23 154.90 154.90 0.00 1279.70 966.10 313.60
24 150.10 150.10 0.00 1279.60 965.80 313.80
AVG 142.35 142.35 0.00 1279.83 964.98 314.85
MAX 165.20 165.20 0.00 1280.10 966.60 319.40
MIN 91.90 91.90 0.00 1279.60 960.40 313.30