Libby Dam & Lake Koocanusa

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	Midnight Storage kaf
1	5461	228	16	14.46	12.04	12.04	0.00	2369.88	2369.79	2121.16	248.63	1718.60
2				16.30	12.00	12.00	0.00	2370.20	2370.04	2121.13	248.91	1727.20
3				19.69	12.00	12.00	0.00	2370.77	2370.48	2121.12	249.36	1742.40
4				24.87	12.00	12.00	0.00	2371.72	2371.25	2121.11	250.14	1768.00
5				28.21	12.00	12.00	0.00	2372.91	2372.32	2121.11	251.21	1800.10
6				28.28	10.04	10.04	0.00	2374.24	2373.61	2120.32	253.29	1836.30
7				29.07	10.00	10.00	0.00	2375.62	2374.97	2120.27	254.70	1874.20
8				34.24	10.00	10.00	0.00	2377.36	2376.52	2120.16	256.36	1922.30
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

TOT	5461		16
AVG	5461	228	16	24.39	11.26	11.26	0.00	2372.84	2372.37	2120.80	251.57	1798.64

MAX	5461			34.24	12.04	12.04	0.00	2377.36	2376.52	2121.16	256.36	1922.30
MIN	5461			14.46	10.00	10.00	0.00	2369.88	2369.79	2120.16	248.63	1718.60