Ice Harbor Dam

February 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	2373	99	47	26.50	25.70	13.00	12.30	439.38	438.86	339.60	99.26
2	2437	102	48	29.90	28.10	13.20	14.50	439.81	439.37	339.87	99.50
3	2434	101	48	26.90	28.90	13.20	15.10	439.34	439.08	339.64	99.44
4	3232	135	48	27.20	26.20	17.70	8.00	439.57	439.26	340.10	99.16
5	4779	199	48	25.70	26.80	26.40	0.00	439.31	438.89	340.69	98.20
6	4793	200	48	24.70	27.00	26.50	0.00	438.77	438.86	340.69	98.17
7	4792	200	48	29.10	26.70	26.50	0.00	439.32	438.72	340.31	98.41
8	4797	200	47	27.00	26.70	26.40	0.00	439.41	438.82	340.03	98.79
9	5407	225	50	27.90	30.10	29.70	0.00	438.87	438.95	339.73	99.22
10	4914	205	49	26.80	27.90	27.20	0.20	438.63	438.32	339.71	98.61
11	4987	208	49	31.10	28.20	27.80	0.00	439.31	438.92	340.73	98.19
12	5606	234	49	34.50	34.50	31.30	2.90	439.32	439.19	341.19	98.00
13	4801	200	49	25.30	27.20	26.80	0.00	438.87	439.00	340.77	98.23
14	4319	180	48	25.00	24.30	23.90	0.00	439.04	438.94	340.59	98.35
15	4923	205	48	28.50	27.80	27.30	0.00	439.22	439.24	340.93	98.31
16	5965	249	48	34.60	33.70	33.30	0.00	439.42	439.19	341.22	97.97
17	7193	300	48	37.60	41.30	40.90	0.00	438.52	438.52	342.02	96.50
18	3091	129	50	19.10	17.90	17.30	0.00	438.83	438.31	340.20	98.11
19	5253	219	55	36.30	30.30	29.70	0.00	439.40	438.56	341.21	97.35
20	5315	221	54	31.10	30.50	29.80	0.00	439.53	439.21	341.09	98.12
21	5046	210	57	27.00	28.50	28.10	0.00	439.19	439.53	340.93	98.60
22	4993	208	56	27.90	28.00	27.70	0.00	439.16	439.14	340.79	98.35
23	5997	250	56	30.50	34.00	33.70	0.00	438.31	438.48	341.16	97.32
24	4580	191	57	28.80	25.90	25.60	0.00	439.02	438.26	340.45	97.81
25	4940	206	59	36.20	37.50	27.50	9.70	438.71	439.02	340.82	98.20
26	4967	207	58	36.10	33.60	27.70	5.60	439.31	438.69	340.69	98.00
27	4964	207	54	42.90	41.20	27.70	13.20	439.71	439.24	341.39	97.85
28	4963	207	54	40.70	42.50	27.70	14.50	439.29	439.21	341.35	97.86

TOT	131861		1432
AVG	4709	196	51	30.18	30.04	26.20	3.43	439.16	438.92	340.64	98.28

MAX	7193			42.90	42.50	40.90	15.10	439.81	439.53	342.02	99.50
MIN	2373			19.10	17.90	13.00	0.00	438.31	438.26	339.60	96.50