US Army Corps of Engineers

Chief Joseph Dam

Sunday May 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 138.10 138.10 0.00 952.00 784.60 167.40 952.00 784.80
2 136.80 136.80 0.00 952.20 784.40 167.80 952.10 784.90
3 119.70 119.70 0.00 952.30 784.20 168.10 952.30 783.90
4 131.70 131.70 0.00 952.20 784.50 167.70 952.20 784.60
5 127.90 127.90 0.00 952.20 784.10 168.10 952.20 784.20
6 127.80 127.80 0.00 952.30 783.80 168.50 952.20 784.20
7 104.90 104.90 0.00 952.50 782.90 169.60 952.40 782.90
8 102.90 102.90 0.00 952.60 783.10 169.50 952.60 783.00
9 105.60 105.60 0.00 952.50 783.00 169.50 952.50 783.00
10 105.50 105.50 0.00 952.40 783.00 169.40 952.50 783.00
11 117.50 117.50 0.00 952.10 783.30 168.80 952.20 783.40
12 115.20 115.20 0.00 952.00 783.10 168.90 952.10 783.20
13 122.10 122.10 0.00 951.50 783.60 167.90 951.70 783.50
14 121.70 121.70 0.00 951.30 783.10 168.20 951.40 783.50
15 104.20 104.20 0.00 951.30 782.60 168.70 951.30 782.50
16 103.20 103.20 0.00 951.10 782.50 168.60 951.20 782.50
17 103.90 103.90 0.00 951.10 782.40 168.70 951.10 782.50
18 115.80 115.80 0.00 950.70 783.90 166.80 951.00 782.90
19 142.20 142.20 0.00 950.50 784.60 165.90 950.60 784.20
20 146.40 146.40 0.00 950.90 784.30 166.60 950.70 784.40
21 148.70 148.70 0.00 951.40 784.50 166.90 951.10 784.50
22 151.10 151.10 0.00 951.60 784.70 166.90 951.50 784.70
23 150.80 150.80 0.00 952.00 784.60 167.40 951.80 784.80
24 149.90 149.90 0.00 952.20 785.00 167.20 952.10 784.80
AVG 124.73 124.73 0.00 951.79 783.74 168.05 951.78 783.75
MAX 151.10 151.10 0.00 952.60 785.00 169.60 952.60 784.90
MIN 102.90 102.90 0.00 950.50 782.40 165.90 950.60 782.50
BUILDING STRONG®