US Army Corps of Engineers

Chief Joseph Dam

Saturday January 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 128.80 128.80 0.00 952.60 782.10 170.50 952.60 782.50
2 123.30 123.30 0.00 952.50 782.00 170.50 952.50 782.10
3 123.40 123.40 0.00 952.40 782.00 170.40 952.40 782.00
4 125.20 125.20 0.00 952.40 781.90 170.50 952.30 782.10
5 117.00 117.00 0.00 952.40 781.60 170.80 952.40 781.50
6 120.50 120.50 0.00 952.30 781.80 170.50 952.40 781.60
7 124.40 124.40 0.00 952.10 781.80 170.30 952.20 781.70
8 124.30 124.30 0.00 952.10 781.10 171.00 952.10 781.60
9 106.80 106.80 0.00 952.40 780.30 172.10 952.20 780.30
10 106.10 106.10 0.00 952.30 780.60 171.70 952.40 780.50
11 101.20 101.20 0.00 952.20 780.00 172.20 952.30 780.40
12 97.90 97.90 0.00 952.10 780.20 171.90 952.20 780.10
13 93.80 93.80 0.00 952.00 779.60 172.40 952.00 780.00
14 87.30 87.30 0.00 952.00 779.10 172.90 952.00 779.50
15 85.90 85.90 0.00 951.80 779.30 172.50 951.90 779.30
16 88.70 88.70 0.00 951.60 779.90 171.70 951.70 779.30
17 105.30 105.30 0.00 951.30 784.80 166.50 951.30 780.20
18 110.90 110.90 0.00 951.40 780.20 171.20 951.30 780.50
19 118.80 118.80 0.00 951.80 780.90 170.90 951.60 780.60
20 134.40 134.40 0.00 952.00 781.30 170.70 951.90 781.50
21 135.30 135.30 0.00 952.20 781.50 170.70 952.10 781.50
22 133.40 133.40 0.00 952.40 781.40 171.00 952.30 781.40
23 128.30 128.30 0.00 952.50 781.30 171.20 952.40 781.20
24 129.60 129.60 0.00 952.40 781.70 170.70 952.40 781.50
AVG 114.61 114.61 0.00 952.13 781.10 171.03 952.12 780.95
MAX 135.30 135.30 0.00 952.60 784.80 172.90 952.60 782.50
MIN 85.90 85.90 0.00 951.30 779.10 166.50 951.30 779.30
BUILDING STRONG®