Ice Harbor Dam

December 2025

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	4420	184	66	24.80	25.20	24.70	0.00	439.10	439.26	340.29	98.97
2	3370	140	63	16.60	19.50	18.80	0.00	438.67	438.99	339.63	99.36
3	2716	113	63	15.60	15.80	14.90	0.00	439.03	438.85	338.73	100.12
4	4424	184	63	24.80	25.10	24.50	0.00	438.97	438.98	339.34	99.64
5	4013	167	62	20.90	22.90	22.30	0.00	438.50	438.69	339.34	99.35
6	3070	128	61	20.50	17.60	16.90	0.00	439.19	438.84	339.19	99.65
7	3433	143	60	18.70	19.50	18.90	0.00	439.01	439.00	339.48	99.52
8	5105	213	60	29.40	29.30	28.60	0.00	439.03	439.00	340.28	98.72
9	6103	254	60	34.90	35.00	34.40	0.00	439.02	439.10	340.89	98.21
10	6714	280	61	35.10	39.00	38.30	0.00	438.08	438.26	341.17	97.09
11	7801	325	60	46.90	45.40	44.70	0.00	438.44	438.13	341.40	96.73
12	8177	341	58	45.10	47.30	46.80	0.00	437.90	438.13	341.41	96.72
13				46.60	46.40	45.80	0.00	437.93	437.97	341.54	96.43
14				42.90	43.10	42.50	0.00	437.88	438.02	341.28	96.74
15				31.20	28.60	28.00	0.00	438.49	437.97	339.74	98.23
16				34.50	32.00	31.30	0.00	439.07	438.71	340.09	98.62
17				33.10	36.80	33.70	2.40	438.20	438.47	340.75	97.72
18				44.20	42.20	41.50	0.00	438.67	438.46	341.82	96.64
19				37.50	38.80	38.20	0.00	438.36	438.19	341.57	96.62
20
21
22
23
24
25
26
27
28
29
30
31

TOT	59346		735
AVG	4945	206	61	31.75	32.08	31.31	0.13	438.61	438.58	340.42	98.16

MAX	8177			46.90	47.30	46.80	2.40	439.19	439.26	341.82	100.12
MIN	2716			15.60	15.80	14.90	0.00	437.88	437.97	338.73	96.43