Chief Joseph Dam

Tuesday May 5, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	156.00	156.00	0.00	954.00	785.00	169.00	954.20	784.90
2	154.80	154.80	0.00	953.60	785.20	168.40	953.90	784.90
3	159.00	159.00	0.00	953.00	785.30	167.70	953.30	785.20
4	145.10	145.10	0.00	952.60	784.80	167.80	952.80	784.70
5	131.40	131.40	0.00	952.40	784.00	168.40	952.60	784.10
6	135.10	135.10	0.00	952.00	784.30	167.70	952.20	784.30
7	140.30	140.30	0.00	951.70	784.60	167.10	951.80	784.60
8	147.10	147.10	0.00	951.30	785.40	165.90	951.60	784.90
9	161.50	161.50	0.00	951.20	785.50	165.70	952.10	785.70
10	139.40	139.40	0.00	951.10	784.90	166.20	951.30	784.60
11	154.70	154.70	0.00	951.00	785.30	165.70	951.00	785.40
12	139.40	139.40	0.00	950.90	784.70	166.20	951.00	784.60
13	151.50	151.50	0.00	950.70	785.20	165.50	950.80	785.10
14	153.80	153.80	0.00	950.80	785.20	165.60	950.70	785.20
15	152.20	152.20	0.00	950.80	785.10	165.70	950.80	785.10
16	150.50	150.50	0.00	950.90	785.20	165.70	950.90	785.00
17	141.70	141.70	0.00	951.20	784.60	166.60	951.10	784.60
18	140.80	140.80	0.00	951.30	784.50	166.80	951.30	784.60
19	151.30	151.30	0.00	951.10	786.00	165.10	951.20	785.00
20	167.70	167.70	0.00	951.10	785.90	165.20	951.00	785.90
21	144.20	144.20	0.00	951.60	784.20	167.40	951.40	784.80
22	155.90	155.90	0.00	951.50	785.50	166.00	951.50	785.50
23	151.80	151.80	0.00	951.60	785.00	166.60	951.50	785.40
24	150.20	150.20	0.00	951.90	785.10	166.80	951.70	785.40

AVG	148.97	148.97	0.00	951.64	785.02	166.62	951.74	784.98

MAX	167.70	167.70	0.00	954.00	786.00	169.00	954.20	785.90
MIN	131.40	131.40	0.00	950.70	784.00	165.10	950.70	784.10