US Army Corps of Engineers

Grand Coulee Dam

Thursday December 4, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 93.50 93.50 0.00 1284.70 960.10 324.60
2 91.40 91.40 0.00 1284.70 960.30 324.40
3 89.70 89.70 0.00 1284.70 960.00 324.70
4 87.80 87.80 0.00 1284.70 959.70 325.00
5 98.10 98.10 0.00 1284.60 960.40 324.20
6 106.10 106.10 0.00 1284.60 961.20 323.40
7 110.50 110.50 0.00 1284.50 961.70 322.80
8 110.90 110.90 0.00 1284.50 961.90 322.60
9 93.80 93.80 0.00 1284.60 960.70 323.90
10 88.20 88.20 0.00 1284.60 959.80 324.80
11 96.90 96.90 0.00 1284.60 960.30 324.30
12 86.30 86.30 0.00 1284.60 959.70 324.90
13 99.90 99.90 0.00 1284.60 960.30 324.30
14 98.40 98.40 0.00 1284.60 960.30 324.30
15 98.20 98.20 0.00 1284.60 960.30 324.30
16 97.30 97.30 0.00 1284.60 960.10 324.50
17 113.40 113.40 0.00 1284.60 961.30 323.30
18 113.90 113.90 0.00 1284.50 961.80 322.70
19 117.90 117.90 0.00 1284.40 962.10 322.30
20 116.60 116.60 0.00 1284.40 962.10 322.30
21 117.40 117.40 0.00 1284.40 962.00 322.40
22 116.40 116.40 0.00 1284.40 962.10 322.30
23 115.30 115.30 0.00 1284.50 962.00 322.50
24 107.00 107.00 0.00 1284.50 961.30 323.20
AVG 102.70 102.70 0.00 1284.56 960.90 323.67
MAX 117.90 117.90 0.00 1284.70 962.10 325.00
MIN 86.30 86.30 0.00 1284.40 959.70 322.30