US Army Corps of Engineers

Grand Coulee Dam

Monday December 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 82.60 82.60 0.00 1284.70 959.10 325.60
2 76.00 76.00 0.00 1284.70 958.90 325.80
3 65.40 65.40 0.00 1284.70 958.20 326.50
4 63.90 63.90 0.00 1284.70 958.00 326.70
5 67.00 67.00 0.00 1284.70 958.30 326.40
6 89.20 89.20 0.00 1284.70 959.70 325.00
7 124.10 124.10 0.00 1284.50 962.40 322.10
8 116.30 116.30 0.00 1284.50 962.70 321.80
9 115.30 115.30 0.00 1284.50 962.50 322.00
10 101.50 101.50 0.00 1284.60 961.40 323.20
11 91.60 91.60 0.00 1284.70 960.50 324.20
12 89.20 89.20 0.00 1284.70 960.10 324.60
13 99.60 99.60 0.00 1284.50 960.70 323.80
14 82.60 82.60 0.00 1284.50 959.90 324.60
15 83.40 83.40 0.00 1284.50 959.50 325.00
16 90.20 90.20 0.00 1284.50 959.80 324.70
17 116.60 116.60 0.00 1284.50 961.90 322.60
18 112.90 112.90 0.00 1284.60 962.30 322.30
19 111.10 111.10 0.00 1284.60 961.90 322.70
20 106.50 106.50 0.00 1284.40 961.40 323.00
21 85.90 85.90 0.00 1284.50 960.00 324.50
22 65.00 65.00 0.00 1284.60 957.90 326.70
23 53.30 53.30 0.00 1284.60 956.40 328.20
24 40.50 40.50 0.00 1284.60 955.60 329.00
AVG 88.74 88.74 0.00 1284.59 959.96 324.62
MAX 124.10 124.10 0.00 1284.70 962.70 329.00
MIN 40.50 40.50 0.00 1284.40 955.60 321.80