Libby Dam & Lake Koocanusa

April 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	8916	371	23	10.41	20.00	20.00	0.00	2381.14	2381.46	2123.08	258.38	2028.30
2	8888	370	22	9.17	20.00	20.00	0.00	2380.38	2380.75	2123.09	257.66	2006.80
3	8854	369	23	10.06	20.00	20.00	0.00	2379.68	2380.02	2123.09	256.93	1987.10
4	8824	368	22	9.25	20.00	20.00	0.00	2378.92	2379.28	2123.09	256.19	1965.80
5	8774	366	21	9.30	20.00	20.00	0.00	2378.16	2378.53	2123.08	255.45	1944.50
6	8714	363	20	8.37	19.73	19.73	0.00	2377.35	2377.76	2123.06	254.70	1922.00
7				10.00	19.50	19.50	0.00	2376.67	2376.99	2123.05	253.94	1903.10
8				9.89	19.50	19.50	0.00	2375.98	2376.30	2123.06	253.24	1884.10
9				10.21	19.50	19.50	0.00	2375.31	2375.62	2123.03	252.59	1865.60
10				10.65	19.50	19.50	0.00	2374.67	2374.98	2123.02	251.96	1848.10
11				10.96	19.50	19.50	0.00	2374.05	2374.36	2123.02	251.34	1831.10
12				11.81	19.50	19.50	0.00	2373.49	2373.78	2123.02	250.76	1815.90
13				12.24	19.50	19.50	0.00	2372.96	2373.22	2123.03	250.19	1801.50
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

TOT	52970		131
AVG	8828	368	22	10.18	19.71	19.71	0.00	2376.83	2377.16	2123.06	254.10	1907.99

MAX	8916			12.24	20.00	20.00	0.00	2381.14	2381.46	2123.09	258.38	2028.30
MIN	8714			8.37	19.50	19.50	0.00	2372.96	2373.22	2123.02	250.19	1801.50