US Army Corps of Engineers

Grand Coulee Dam

Monday November 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 29.00 29.00 0.00 1288.70 955.50 333.20
2 28.50 28.50 0.00 1288.80 955.50 333.30
3 30.90 30.90 0.00 1288.80 955.40 333.40
4 36.80 36.80 0.00 1288.90 955.60 333.30
5 49.20 49.20 0.00 1288.90 956.30 332.60
6 63.20 63.20 0.00 1288.80 957.30 331.50
7 74.10 74.10 0.00 1288.90 958.20 330.70
8 96.80 96.80 0.00 1288.90 959.80 329.10
9 89.20 89.20 0.00 1288.90 959.60 329.30
10 86.50 86.50 0.00 1288.90 959.00 329.90
11 74.70 74.70 0.00 1289.00 958.30 330.70
12 65.50 65.50 0.00 1288.90 957.30 331.60
13 50.40 50.40 0.00 1288.90 956.10 332.80
14 50.00 50.00 0.00 1288.90 956.10 332.80
15 50.80 50.80 0.00 1288.90 956.20 332.70
16 62.90 62.90 0.00 1289.00 957.10 331.90
17 73.50 73.50 0.00 1289.00 958.00 331.00
18 76.00 76.00 0.00 1289.00 958.70 330.30
19 75.80 75.80 0.00 1289.00 958.70 330.30
20 66.90 66.90 0.00 1289.00 958.00 331.00
21 55.60 55.60 0.00 1289.10 957.20 331.90
22 52.30 52.30 0.00 1289.10 956.70 332.40
23 36.40 36.40 0.00 1289.10 955.70 333.40
24 34.70 34.70 0.00 1289.10 955.40 333.70
AVG 58.74 58.74 0.00 1288.94 957.15 331.78
MAX 96.80 96.80 0.00 1289.10 959.80 333.70
MIN 28.50 28.50 0.00 1288.70 955.40 329.10