Chief Joseph Dam

Wednesday August 5, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	69.60	69.60	0.00	953.30	781.00	172.30	953.30	781.10
2	67.80	67.80	0.00	953.30	780.90	172.40	953.30	781.00
3	67.90	67.90	0.00	953.30	780.80	172.50	953.30	781.00
4	59.20	59.20	0.00	953.10	780.70	172.40	953.20	780.50
5	69.40	69.40	0.00	952.70	781.80	170.90	952.90	781.40
6	83.10	83.10	0.00	952.60	781.50	171.10	952.60	782.00
7	65.00	65.00	0.00	952.60	781.70	170.90	952.60	781.30
8	66.60	66.60	0.00	952.40	781.20	171.20	952.50	781.40
9	68.50	68.50	0.00	952.30	781.20	171.10	952.30	781.40
10	66.90	66.90	0.00	952.30	781.10	171.20	952.30	781.10
11	66.50	66.50	0.00	952.10	781.00	171.10	952.30	780.90
12	76.10	76.10	0.00	952.10	780.90	171.20	952.00	781.20
13	83.20	83.20	0.00	951.90	781.20	170.70	951.80	781.30
14	82.10	82.10	0.00	951.80	781.40	170.40	951.80	781.10
15	85.70	85.70	0.00	951.80	781.00	170.80	951.80	781.10
16	103.80	103.80	0.00	951.90	781.90	170.00	951.80	781.60
17	128.10	128.10	0.00	952.00	782.90	169.10	952.00	782.70
18	130.80	130.80	0.00	952.10	782.80	169.30	952.10	782.80
19	129.70	129.70	0.00	952.40	782.80	169.60	952.30	782.80
20	128.80	128.80	0.00	952.70	782.60	170.10	952.60	782.70
21	128.10	128.10	0.00	953.00	782.70	170.30	952.90	782.70
22	127.60	127.60	0.00	953.20	782.50	170.70	953.10	782.70
23	115.30	115.30	0.00	953.40	781.60	171.80	953.20	782.10
24	81.70	81.70	0.00	953.60	780.50	173.10	953.60	780.30

AVG	89.65	89.65	0.00	952.58	781.57	171.01	952.57	781.59

MAX	130.80	130.80	0.00	953.60	782.90	173.10	953.60	782.80
MIN	59.20	59.20	0.00	951.80	780.50	169.10	951.80	780.30