US Army Corps of Engineers

Chief Joseph Dam

Sunday June 21, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 106.60 106.60 0.00 952.60 781.70 170.90 952.60 781.60
2 98.70 98.70 0.00 952.80 780.40 172.40 952.70 781.10
3 86.40 86.40 0.00 953.00 780.60 172.40 952.90 780.50
4 77.00 77.00 0.00 953.00 779.90 173.10 953.00 780.10
5 74.80 74.80 0.00 953.10 780.10 173.00 953.00 780.00
6 75.20 75.20 0.00 953.20 779.60 173.60 953.10 779.80
7 69.70 69.70 0.00 953.50 778.70 174.80 953.30 779.30
8 38.20 38.20 0.00 953.70 778.10 175.60 953.70 777.50
9 57.00 57.00 0.00 953.50 778.70 174.80 953.50 778.90
10 65.80 65.80 0.00 953.50 779.00 174.50 953.40 779.00
11 73.40 73.40 0.00 953.70 779.70 174.00 953.60 779.40
12 72.90 72.90 0.00 953.60 779.50 174.10 953.70 779.40
13 87.50 87.50 0.00 953.40 780.00 173.40 953.40 780.10
14 87.40 87.40 0.00 953.40 779.90 173.50 953.40 780.00
15 89.50 89.50 0.00 953.40 780.30 173.10 953.40 780.20
16 97.40 97.40 0.00 953.20 780.60 172.60 953.20 780.70
17 98.90 98.90 0.00 953.00 781.10 171.90 953.10 780.70
18 120.10 120.10 0.00 952.90 782.10 170.80 952.90 781.90
19 129.40 129.40 0.00 952.90 783.00 169.90 952.90 782.40
20 128.10 128.10 0.00 953.10 782.20 170.90 953.00 782.40
21 127.70 127.70 0.00 953.20 782.30 170.90 953.10 782.30
22 131.90 131.90 0.00 953.20 782.50 170.70 953.10 782.50
23 128.40 128.40 0.00 953.30 782.30 171.00 953.30 782.30
24 124.40 124.40 0.00 953.30 782.20 171.10 953.40 782.10
AVG 93.60 93.60 0.00 953.23 780.60 172.62 953.20 780.59
MAX 131.90 131.90 0.00 953.70 783.00 175.60 953.70 782.50
MIN 38.20 38.20 0.00 952.60 778.10 169.90 952.60 777.50
BUILDING STRONG®