US Army Corps of Engineers

Chief Joseph Dam

Saturday October 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 41.00 41.00 0.00 953.30 781.30 172.00 953.40 780.80
2 39.50 39.50 0.00 953.20 781.00 172.20 953.30 780.90
3 40.20 40.20 0.00 953.20 780.50 172.70 953.10 780.90
4 39.60 39.60 0.00 953.40 780.50 172.90 953.30 780.70
5 44.80 44.80 0.00 953.30 780.80 172.50 953.40 780.70
6 56.80 56.80 0.00 953.20 780.80 172.40 953.20 780.80
7 56.40 56.40 0.00 953.40 780.70 172.70 953.30 780.70
8 70.70 70.70 0.00 953.30 780.60 172.70 953.40 780.80
9 80.10 80.10 0.00 953.30 780.80 172.50 953.20 781.00
10 81.00 81.00 0.00 953.40 781.20 172.20 953.40 780.90
11 88.80 88.80 0.00 953.40 781.30 172.10 953.40 781.30
12 84.40 84.40 0.00 953.40 781.30 172.10 953.30 781.20
13 81.10 81.10 0.00 953.30 781.40 171.90 953.40 781.30
14 75.30 75.30 0.00 953.20 781.20 172.00 953.30 781.20
15 71.40 71.40 0.00 953.10 781.40 171.70 953.20 781.20
16 73.40 73.40 0.00 953.00 781.30 171.70 953.00 781.40
17 66.90 66.90 0.00 952.90 781.20 171.70 952.90 781.20
18 61.60 61.60 0.00 952.90 781.00 171.90 952.90 780.80
19 63.10 63.10 0.00 952.80 780.00 172.80 952.80 780.50
20 59.80 59.80 0.00 952.80 780.10 172.70 952.80 780.20
21 60.10 60.10 0.00 952.90 779.50 173.40 952.80 779.90
22 44.50 44.50 0.00 952.90 779.30 173.60 953.00 778.90
23 56.10 56.10 0.00 952.80 779.30 173.50 952.80 779.80
24 43.10 43.10 0.00 952.90 779.40 173.50 952.90 779.20
1 50.30 50.30 0.00 952.80 779.80 173.00 952.80 779.70
AVG 61.20 61.20 0.00 953.12 780.63 172.50 953.13 780.64
MAX 88.80 88.80 0.00 953.40 781.40 173.60 953.40 781.40
MIN 39.50 39.50 0.00 952.80 779.30 171.70 952.80 778.90
BUILDING STRONG®