US Army Corps of Engineers

Chief Joseph Dam

Wednesday August 27, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 96.60 96.60 0.00 951.80 781.30 170.50 951.90 782.40
2 54.40 54.40 0.00 951.80 780.10 171.70 951.90 780.20
3 48.30 48.30 0.00 951.70 780.00 171.70 951.80 779.90
4 43.60 43.60 0.00 951.70 778.50 173.20 951.70 779.20
5 38.40 38.40 0.00 951.80 778.20 173.60 951.80 778.50
6 39.80 39.80 0.00 951.70 777.60 174.10 951.80 778.00
7 42.90 42.90 0.00 951.90 777.30 174.60 951.70 777.60
8 41.90 41.90 0.00 952.50 776.90 175.60 952.10 777.00
9 52.50 52.50 0.00 952.90 777.40 175.50 952.70 777.30
10 61.80 61.80 0.00 953.10 777.60 175.50 953.00 777.50
11 72.70 72.70 0.00 953.40 778.00 175.40 953.20 777.90
12 85.60 85.60 0.00 953.40 778.70 174.70 953.40 778.60
13 90.70 90.70 0.00 953.40 779.70 173.70 953.40 779.20
14 105.90 105.90 0.00 953.40 780.40 173.00 953.40 780.40
15 108.10 108.10 0.00 953.50 780.80 172.70 953.50 780.70
16 117.10 117.10 0.00 953.50 781.30 172.20 953.50 781.10
17 118.90 118.90 0.00 953.40 781.70 171.70 953.40 781.30
18 134.90 134.90 0.00 953.20 782.60 170.60 953.30 782.30
19 136.30 136.30 0.00 953.20 783.10 170.10 953.20 782.60
20 133.80 133.80 0.00 953.30 782.80 170.50 953.30 782.70
21 128.20 128.20 0.00 953.50 782.60 170.90 953.40 782.60
22 126.40 126.40 0.00 953.20 782.60 170.60 953.40 782.50
23 112.80 112.80 0.00 953.20 780.90 172.30 953.20 781.90
24 79.10 79.10 0.00 953.20 779.70 173.50 953.30 780.00
AVG 86.28 86.28 0.00 952.82 779.99 172.83 952.80 780.06
MAX 136.30 136.30 0.00 953.50 783.10 175.60 953.50 782.70
MIN 38.40 38.40 0.00 951.70 776.90 170.10 951.70 777.00
BUILDING STRONG®