Chief Joseph Dam

Sunday April 12, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Average Forebay Elevation	Average Tailwater Elevation
1	120.40	110.90	9.50	952.80	782.30	170.50	952.70	782.50
2	121.60	112.10	9.50	952.80	782.30	170.50	952.80	782.40
3	121.00	111.50	9.50	952.80	781.90	170.90	952.80	782.10
4	119.50	110.00	9.50	952.80	781.80	171.00	952.80	781.80
5	120.30	110.80	9.50	952.70	781.50	171.20	952.70	781.60
6	119.90	110.40	9.50	952.70	781.60	171.10	952.70	781.30
7	129.40	110.30	19.10	952.60	781.60	171.00	952.60	781.70
8	128.70	109.60	19.10	952.90	781.70	171.20	952.70	781.50
9	129.30	110.20	19.10	953.00	781.40	171.60	953.00	781.40
10	129.60	110.50	19.10	953.10	781.40	171.70	953.10	781.40
11	129.20	110.10	19.10	953.30	781.20	172.10	953.30	781.30
12	128.30	109.20	19.10	953.50	781.10	172.40	953.40	781.20
13	127.80	108.70	19.10	953.60	781.10	172.50	953.60	781.10
14	129.10	110.00	19.10	953.60	781.50	172.10	953.60	781.30
15	128.80	109.70	19.10	953.60	781.80	171.80	953.60	781.70
16	128.90	109.80	19.10	953.50	782.20	171.30	953.50	782.10
17	129.90	110.80	19.10	953.40	782.70	170.70	953.40	782.60
18	128.80	109.70	19.10	953.20	783.40	169.80	953.30	783.10
19	131.90	112.80	19.10	953.10	783.30	169.80	953.20	783.40
20	131.50	112.40	19.10	953.30	783.40	169.90	953.20	783.30
21	131.20	112.10	19.10	953.60	783.30	170.30	953.50	783.30
22	130.80	111.70	19.10	953.90	783.30	170.60	953.70	783.30
23	128.00	108.90	19.10	954.00	783.30	170.70	954.00	783.20
24	128.70	109.60	19.10	954.00	783.20	170.80	954.10	783.20

AVG	127.19	110.49	16.70	953.24	782.18	171.06	953.22	782.16

MAX	131.90	112.80	19.10	954.00	783.40	172.50	954.10	783.40
MIN	119.50	108.70	9.50	952.60	781.10	169.80	952.60	781.10