The Dalles Dam

September 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	11816	492	48	85.80	84.20	78.40	0.00	159.51	159.53	76.96	82.57
2	12119	505	48	86.10	86.20	80.40	0.00	159.50	159.43	76.75	82.68
3	12066	503	48	84.60	85.20	79.80	0.00	159.41	159.64	76.84	82.80
4	12727	530	48	90.40		84.50		159.38	159.59	77.13	82.46
5	10018	417	48	72.20	72.20	66.40	0.00	159.37	159.42	76.68	82.74
6	9667	403	48	69.50	70.10	64.30	0.00	159.30	159.24	76.83	82.41
7	8795	366	48	66.60	64.00	58.20	0.00	159.72	159.54	76.42	83.12
8				75.10	76.20	70.40	0.00	159.57	159.64	76.54	83.10
9				75.20	74.90	69.10	0.00	159.65	159.51	76.70	82.81
10				78.30	79.60	73.80	0.00	159.39	159.45	76.91	82.54
11				67.90	67.90	62.10	0.00	159.34	159.31	76.74	82.57
12				70.00	71.60	65.80	0.00	159.08	159.33	76.44	82.89
13				70.70	70.80	65.00	0.00	159.03	159.08	76.35	82.73
14				67.20	68.70	62.90	0.00	158.77	159.00	76.19	82.81
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TOT	77208		336
AVG	11030	460	48	75.69	74.74	70.08	0.00	159.36	159.41	76.68	82.73

MAX	12727			90.40	86.20	84.50	0.00	159.72	159.64	77.13	83.12
MIN	8795			66.60	64.00	58.20	0.00	158.77	159.00	76.19	82.41