US Army Corps of Engineers

Grand Coulee Dam

Monday February 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 92.70 92.70 0.00 1277.60 960.20 317.40
2 91.80 91.80 0.00 1277.70 959.80 317.90
3 90.10 90.10 0.00 1277.80 956.60 321.20
4 91.60 91.60 0.00 1277.70 959.50 318.20
5 102.90 102.90 0.00 1277.70 960.20 317.50
6 112.20 112.20 0.00 1277.70 960.90 316.80
7 123.70 123.70 0.00 1277.60 962.00 315.60
8 153.30 153.30 0.00 1277.50 964.50 313.00
9 135.70 135.70 0.00 1277.60 964.10 313.50
10 132.70 132.70 0.00 1277.70 963.50 314.20
11 135.80 135.80 0.00 1277.60 963.50 314.10
12 126.30 126.30 0.00 1277.60 963.30 314.30
13 121.50 121.50 0.00 1277.50 962.70 314.80
14 112.70 112.70 0.00 1277.50 961.80 315.70
15 95.60 95.60 0.00 1277.50 960.30 317.20
16 107.20 107.20 0.00 1277.50 960.40 317.10
17 149.80 149.80 0.00 1277.40 963.90 313.50
18 153.60 153.60 0.00 1277.40 965.40 312.00
19 161.00 161.00 0.00 1277.40 966.00 311.40
20 160.50 160.50 0.00 1277.30 966.10 311.20
21 147.50 147.50 0.00 1277.30 965.50 311.80
22 135.90 135.90 0.00 1277.30 964.30 313.00
23 130.80 130.80 0.00 1277.30 963.70 313.60
24 123.10 123.10 0.00 1277.20 963.00 314.20
AVG 124.50 124.50 0.00 1277.52 962.55 314.97
MAX 161.00 161.00 0.00 1277.80 966.10 321.20
MIN 90.10 90.10 0.00 1277.20 956.60 311.20