Chief Joseph Dam

Sunday October 4, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	47.90	47.90	0.00	953.40	777.20	176.20	953.50	777.40
2	40.50	40.50	0.00	953.30	777.60	175.70	953.30	777.40
3	36.10	36.10	0.00	953.20	777.30	175.90	953.30	777.50
4	35.60	35.60	0.00	953.20	777.60	175.60	953.20	777.40
5	35.60	35.60	0.00	953.10	777.50	175.60	953.20	777.60
6	36.00	36.00	0.00	953.10	777.80	175.30	953.10	777.50
7	46.50	46.50	0.00	953.00	778.10	174.90	953.00	778.20
8	58.70	58.70	0.00	953.00	778.60	174.40	952.90	778.50
9	58.10	58.10	0.00	953.00	778.70	174.30	953.00	778.70
10	57.50	57.50	0.00	953.20	779.00	174.20	953.30	778.80
11
12
13
14
15
16
17
18
19
20
21
22
23
24

AVG	45.25	45.25	0.00	953.15	777.94	175.21	953.18	777.90

MAX	58.70	58.70	0.00	953.40	779.00	176.20	953.50	778.80
MIN	35.60	35.60	0.00	953.00	777.20	174.20	952.90	777.40