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				34.50	34.50	31.30	2.90	439.32	439.19	341.19	98.00
13				25.30	27.20	26.80	0.00	438.87	439.00	340.77	98.23
14				25.00	24.30	23.90	0.00	439.04	438.94	340.59	98.35
15				28.50	27.80	27.30	0.00	439.22	439.24	340.93	98.31
16				34.60	33.70	33.30	0.00	439.42	439.19	341.22	97.97
17				37.60	41.30	40.90	0.00	438.52	438.52	342.02	96.50
18				19.10	17.90	17.30	0.00	438.83	438.31	340.20	98.11
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TOT	44945		531
AVG	4086	170	48	28.19	28.28	24.91	2.94	439.16	438.91	340.45	98.47

MAX	5407			37.60	41.30	40.90	15.10	439.81	439.37	342.02	99.50
MIN	2373			19.10	17.90	13.00	0.00	438.52	438.31	339.60	96.50