US Army Corps of Engineers

Chief Joseph Dam

Sunday November 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 47.70 47.70 0.00 952.80 779.10 173.70 952.70 779.40
2 44.10 44.10 0.00 952.80 779.30 173.50 952.80 779.20
3 45.00 45.00 0.00 952.80 779.20 173.60 952.80 779.30
4 41.80 41.80 0.00 952.70 778.50 174.20 952.70 778.60
5 44.70 44.70 0.00 952.60 778.40 174.20 952.60 778.60
6 46.00 46.00 0.00 952.60 778.40 174.20 952.60 778.30
7 57.40 57.40 0.00 952.40 778.90 173.50 952.60 778.60
8 70.20 70.20 0.00 952.50 779.00 173.50 952.50 779.10
9 65.90 65.90 0.00 952.80 777.70 175.10 952.60 778.40
10 60.10 60.10 0.00 952.90 777.60 175.30 952.80 777.90
11 49.10 49.10 0.00 952.90 777.40 175.50 952.90 777.50
12 43.80 43.80 0.00 953.00 777.10 175.90 953.00 777.20
13 35.70 35.70 0.00 953.20 776.70 176.50 953.10 776.90
14 28.10 28.10 0.00 953.30 776.70 176.60 953.30 776.60
15 30.40 30.40 0.00 953.20 776.90 176.30 953.30 776.70
16 32.20 32.20 0.00 953.10 777.40 175.70 953.20 776.70
17 68.40 68.40 0.00 953.30 778.50 174.80 953.10 778.40
18 77.10 77.10 0.00 953.60 778.70 174.90 953.40 778.60
19 74.50 74.50 0.00 953.70 778.90 174.80 953.70 778.70
20 74.50 74.50 0.00 953.70 778.90 174.80 953.70 779.10
21 60.90 60.90 0.00 953.90 778.90 175.00 953.80 778.60
22 66.30 66.30 0.00 953.80 779.20 174.60 953.80 779.40
23 57.30 57.30 0.00 953.70 779.00 174.70 953.70 779.00
24 49.10 49.10 0.00 953.60 779.20 174.40 953.70 779.00
AVG 52.93 52.93 0.00 953.12 778.32 174.80 953.10 778.33
MAX 77.10 77.10 0.00 953.90 779.30 176.60 953.80 779.40
MIN 28.10 28.10 0.00 952.40 776.70 173.50 952.50 776.60
BUILDING STRONG®