Chief Joseph Dam

Monday July 20, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	91.60	91.60	0.00	953.20	780.50	172.70	953.30	780.70
2	86.90	86.90	0.00	953.10	780.40	172.70	953.20	780.40
3	86.20	86.20	0.00	952.90	780.40	172.50	953.10	780.40
4	83.90	83.90	0.00	952.50	781.00	171.50	952.70	780.80
5	83.70	83.70	0.00	952.20	781.50	170.70	952.40	781.00
6	99.90	99.90	0.00	951.70	782.00	169.70	951.90	782.30
7	85.60	85.60	0.00	951.60	781.70	169.90	951.70	781.60
8	80.90	80.90	0.00	951.50	781.40	170.10	951.50	781.50
9	75.70	75.70	0.00	951.50	781.10	170.40	951.40	781.40
10	67.40	67.40	0.00	951.60	780.90	170.70	951.50	780.80
11	70.20	70.20	0.00	951.50	780.90	170.60	951.60	780.90
12	79.50	79.50	0.00	951.40	780.90	170.50	951.40	781.10
13	77.40	77.40	0.00	951.50	780.90	170.60	951.50	780.70
14	89.00	89.00	0.00	951.40	781.50	169.90	951.60	781.20
15	101.50	101.50	0.00	951.50	781.50	170.00	951.60	781.60
16
17
18
19
20
21
22
23
24

AVG	83.96	83.96	0.00	951.94	781.11	170.83	952.03	781.09

MAX	101.50	101.50	0.00	953.20	782.00	172.70	953.30	782.30
MIN	67.40	67.40	0.00	951.40	780.40	169.70	951.40	780.40