Rocky Reach Dam & Lake

May 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	25625	1068	0	167.47	164.50	164.20	0.00	705.32	705.62	620.82	84.80
2				160.01	156.74	156.08	0.35	706.23	706.10	620.39	85.71
3				142.42	149.46	149.16	0.00	704.82	705.81	619.83	85.98
4				153.85	150.56	150.26	0.00	705.45	705.53	619.98	85.55
5				161.55	162.60	162.30	0.00	704.97	705.58	620.92	84.66
6				121.56	120.85	120.55	0.00	706.11	706.02	618.01	88.01
7				122.45	129.08	128.78	0.00	704.43	705.73	618.45	87.28
8				117.31	111.48	111.10	0.08	706.14	705.83	617.39	88.44
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

TOT	25625		0
AVG	25625	1068	0	143.33	143.16	142.80	0.05	705.43	705.78	619.47	86.30

MAX	25625			167.47	164.50	164.20	0.35	706.23	706.10	620.92	88.44
MIN	25625			117.31	111.48	111.10	0.00	704.43	705.53	617.39	84.66