US Army Corps of Engineers

Chief Joseph Dam

Sunday August 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 82.30 82.30 0.00 952.80 782.00 170.80 952.90 782.00
2 76.70 76.70 0.00 952.80 781.90 170.90 952.80 782.00
3 65.20 65.20 0.00 952.70 781.50 171.20 952.70 781.70
4 56.20 56.20 0.00 952.60 781.20 171.40 952.70 781.10
5 57.90 57.90 0.00 952.40 780.60 171.80 952.50 780.90
6 61.90 61.90 0.00 952.30 780.60 171.70 952.30 780.80
7 57.10 57.10 0.00 952.40 780.00 172.40 952.30 780.20
8 53.00 53.00 0.00 952.20 779.80 172.40 952.30 779.80
9 66.90 66.90 0.00 951.80 780.40 171.40 952.00 780.40
10 71.60 71.60 0.00 951.90 780.10 171.80 951.80 780.30
11 70.40 70.40 0.00 952.20 779.90 172.30 952.10 780.00
12 69.40 69.40 0.00 952.10 779.70 172.40 952.20 779.90
13 73.10 73.10 0.00 952.20 779.60 172.60 952.10 779.80
14 72.10 72.10 0.00 952.30 779.50 172.80 952.30 779.40
15 80.30 80.30 0.00 952.30 779.70 172.60 952.30 779.80
16 84.50 84.50 0.00 952.40 779.70 172.70 952.30 779.80
17 87.00 87.00 0.00 952.50 779.60 172.90 952.50 779.60
18 92.40 92.40 0.00 952.50 780.70 171.80 952.50 780.20
19 104.20 104.20 0.00 952.40 781.80 170.60 952.40 781.20
20 124.10 124.10 0.00 952.20 782.80 169.40 952.20 782.60
21 120.80 120.80 0.00 952.40 782.40 170.00 952.30 782.50
22 114.20 114.20 0.00 952.50 782.40 170.10 952.50 782.40
23 103.30 103.30 0.00 952.50 782.10 170.40 952.50 782.20
24 87.80 87.80 0.00 952.60 782.30 170.30 952.60 781.90
AVG 80.52 80.52 0.00 952.38 780.85 171.53 952.38 780.85
MAX 124.10 124.10 0.00 952.80 782.80 172.90 952.90 782.60
MIN 53.00 53.00 0.00 951.80 779.50 169.40 951.80 779.40
BUILDING STRONG®