US Army Corps of Engineers

Chief Joseph Dam

Wednesday November 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 89.20 89.20 0.00 952.70 778.30 174.40 952.80 779.20
2 46.40 46.40 0.00 953.30 777.10 176.20 953.00 776.80
3 48.40 48.40 0.00 953.00 777.20 175.80 953.20 777.20
4 49.60 49.60 0.00 952.80 776.90 175.90 952.80 777.10
5 75.20 75.20 0.00 952.60 778.30 174.30 952.60 777.80
6 102.20 102.20 0.00 952.20 779.30 172.90 952.30 779.00
7 112.70 112.70 0.00 952.20 779.50 172.70 952.20 779.50
8 122.30 122.30 0.00 952.30 780.30 172.00 952.20 780.10
9 110.40 110.40 0.00 952.70 779.20 173.50 952.60 779.70
10 100.70 100.70 0.00 953.20 778.30 174.90 953.00 779.10
11 71.10 71.10 0.00 953.60 777.40 176.20 953.40 777.50
12 71.20 71.20 0.00 953.60 777.50 176.10 953.70 777.50
13 78.50 78.50 0.00 953.80 777.80 176.00 953.70 777.90
14 81.40 81.40 0.00 953.90 778.10 175.80 953.80 778.00
15 86.00 86.00 0.00 953.60 778.90 174.70 953.80 778.40
16 116.90 116.90 0.00 953.00 781.30 171.70 953.30 780.30
17 142.50 142.50 0.00 952.70 782.10 170.60 952.80 782.10
18 135.10 135.10 0.00 952.90 781.70 171.20 952.90 781.80
19 123.80 123.80 0.00 953.10 781.40 171.70 953.00 781.40
20 129.40 129.40 0.00 953.30 781.70 171.60 953.20 781.90
21 110.10 110.10 0.00 953.50 780.70 172.80 953.40 781.00
22 98.30 98.30 0.00 953.60 779.90 173.70 953.60 780.20
23 99.10 99.10 0.00 953.60 779.70 173.90 953.60 780.20
24 80.50 80.50 0.00 953.70 779.50 174.20 953.80 779.00
AVG 95.04 95.04 0.00 953.12 779.25 173.87 953.11 779.28
MAX 142.50 142.50 0.00 953.90 782.10 176.20 953.80 782.10
MIN 46.40 46.40 0.00 952.20 776.90 170.60 952.20 776.80
BUILDING STRONG®