Chief Joseph Dam

Tuesday August 4, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	91.30	91.30	0.00	953.00	780.90	172.10	953.10	780.90
2	81.10	81.10	0.00	952.80	780.70	172.10	952.90	780.60
3	79.40	79.40	0.00	952.80	780.60	172.20	952.80	780.70
4	79.70	79.70	0.00	952.30	780.70	171.60	952.40	780.70
5	78.30	78.30	0.00	952.10	780.60	171.50	952.20	780.70
6	89.10	89.10	0.00	951.80	780.70	171.10	951.80	781.40
7	53.70	53.70	0.00	952.00	780.20	171.80	951.90	779.60
8	57.10	57.10	0.00	951.60	780.10	171.50	951.80	780.00
9	68.80	68.80	0.00	951.70	780.10	171.60	951.50	780.60
10	63.30	63.30	0.00	951.80	780.50	171.30	951.80	780.10
11	57.00	57.00	0.00	951.80	780.40	171.40	951.90	780.10
12	68.40	68.40	0.00	951.60	781.20	170.40	951.50	780.50
13	86.30	86.30	0.00	951.40	781.30	170.10	951.40	781.30
14	82.00	82.00	0.00	951.30	781.90	169.40	951.50	780.90
15	90.20	90.20	0.00	951.50	781.60	169.90	951.50	781.60
16	98.50	98.50	0.00	951.70	782.50	169.20	951.60	782.00
17	128.60	128.60	0.00	951.90	783.80	168.10	951.80	783.60
18	129.40	129.40	0.00	952.20	783.70	168.50	952.00	783.60
19	129.50	129.50	0.00	952.40	784.00	168.40	952.30	783.80
20	137.50	137.50	0.00	952.50	784.00	168.50	952.40	784.20
21	133.40	133.40	0.00	952.70	784.10	168.60	952.60	784.00
22	125.10	125.10	0.00	952.90	783.10	169.80	952.90	783.60
23	108.60	108.60	0.00	953.20	781.90	171.30	953.00	782.70
24	75.70	75.70	0.00	953.30	781.40	171.90	953.30	781.10

AVG	91.33	91.33	0.00	952.18	781.67	170.51	952.16	781.60

MAX	137.50	137.50	0.00	953.30	784.10	172.20	953.30	784.20
MIN	53.70	53.70	0.00	951.30	780.10	168.10	951.40	779.60