Chief Joseph Dam & Rufus Woods Lake

June 2026

Day of Month	Total Generation MWh	Average Generation MW	Station Use MWh	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	46432	1935	23	167.60	159.10	155.40	3.70	954.40	953.30	786.10	167.20
2	46320	1930	23	172.00	179.80	157.50	22.30	952.40	953.10	787.00	166.10
3	45643	1902	24	175.50	178.20	155.80	22.40	951.60	952.30	786.50	165.80
4	46367	1932	23	170.40	163.80	157.70	6.10	953.30	952.10	785.90	166.20
5	46606	1942	23	160.50	156.20	156.20	0.00	954.40	953.40	785.70	167.70
6	46806	1950	22	158.60	155.50	155.50	0.00	955.20	954.60	785.80	168.80
7	45760	1907	22	143.60	151.40	151.40	0.00	953.20	953.80	785.70	168.10
8	46434	1935	24	158.50	155.00	155.00	0.00	954.10	953.30	785.30	168.00
9	40849	1702	24	120.20	129.90	129.90	0.00	951.60	952.80	783.00	169.80
10				113.60	105.50	105.50	0.00	953.70	953.00	781.20	171.80
11				121.10	119.10	119.10	0.00	954.20	953.50	782.50	171.00
12				138.40	140.40	140.40	0.00	953.70	952.50	784.00	168.50
13				144.40	144.00	144.00	0.00	953.80	952.60	784.00	168.60
14				153.60	156.50	150.80	5.70	953.20	952.20	785.40	166.80
15				156.10	155.60	143.20	12.40	953.30	952.40	785.60	166.80
16				128.10	126.10	126.10	0.00	953.80	953.20	783.00	170.20
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18
19
20
21
22
23
24
25
26
27
28
29
30

TOT	411217		208
AVG	45691	1904	23	148.89	148.51	143.97	4.54	953.49	953.01	784.79	168.21

MAX	46806			175.50	179.80	157.70	22.40	955.20	954.60	787.00	171.80
MIN	40849			113.60	105.50	105.50	0.00	951.60	952.10	781.20	165.80