Chief Joseph Dam

Monday June 1, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	154.40	154.40	0.00	952.40	785.60	166.80	952.30	785.30
2	155.20	155.20	0.00	952.50	785.60	166.90	952.50	785.60
3	154.60	154.60	0.00	952.50	785.90	166.60	952.50	785.80
4	155.40	155.40	0.00	952.50	785.80	166.70	952.50	785.90
5	153.10	153.10	0.00	952.50	785.90	166.60	952.50	785.90
6	155.90	155.90	0.00	952.50	786.10	166.40	952.50	786.00
7	150.20	150.20	0.00	952.70	785.80	166.90	952.60	785.70
8	151.40	151.40	0.00	952.80	785.80	167.00	952.80	785.70
9	156.70	156.70	0.00	952.60	786.10	166.50	952.70	786.00
10	156.50	156.50	0.00	952.60	786.10	166.50	952.70	786.00
11	156.80	156.80	0.00	952.70	786.10	166.60	952.70	786.00
12	155.60	155.60	0.00	952.70	786.10	166.60	952.60	786.00
13	158.40	158.40	0.00	952.90	786.10	166.80	953.80	786.20
14	157.70	157.70	0.00	953.10	786.10	167.00	953.00	786.10
15	156.10	156.10	0.00	953.40	786.10	167.30	953.30	786.10
16	156.00	156.00	0.00	953.70	786.10	167.60	953.60	786.10
17	155.80	155.80	0.00	954.00	786.10	167.90	953.90	786.10
18	154.80	154.80	0.00	954.20	786.10	168.10	954.20	786.00
19	163.40	155.20	8.20	954.20	786.50	167.70	954.20	786.40
20	164.80	155.30	9.50	954.20	786.60	167.60	954.20	786.50
21	169.40	156.10	13.30	954.30	787.10	167.20	954.30	786.70
22	175.40	156.00	19.40	954.70	787.10	167.60	954.30	787.10
23	175.10	155.70	19.40	954.30	787.00	167.30	954.30	787.10
24	175.70	156.30	19.40	954.40	787.20	167.20	954.30	787.10

AVG	159.10	155.38	3.72	953.27	786.21	167.06	953.26	786.14

MAX	175.70	158.40	19.40	954.70	787.20	168.10	954.30	787.10
MIN	150.20	150.20	0.00	952.40	785.60	166.40	952.30	785.30