The Dalles Dam

June 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	19487	812	48	226.40	230.60	134.90	89.90	157.49	158.24	79.14	79.10
2	19657	819	47	231.90	234.00	136.20	92.00	157.06	158.07	78.88	79.19
3	19032	793	48	233.40	231.20	131.50	94.00	157.43	158.34	79.07	79.27
4	15077	628	48	198.80	202.30	104.00	92.50	156.80	157.56	77.75	79.81
5	20290	845	48	232.80	227.20	140.40	81.00	157.86	157.67	78.54	79.13
6	16770	699	48	211.20	211.20	115.40	90.00	157.85	158.13	78.52	79.61
7	17207	717	48	210.50	207.70	117.90	84.00	158.37	158.86	78.86	80.00
8				219.30	221.90	133.10	83.00	157.85	158.82	79.21	79.61
9				200.50	199.30	104.50	89.00	158.10	158.65	78.34	80.31
10				182.20	184.00	98.10	80.20	157.77	158.57	78.32	80.25
11				193.20	186.70	107.40	73.50	158.99	158.99	78.35	80.64
12				182.60	184.60	104.30	74.50	158.57	159.22	78.25	80.97
13				168.40	174.70	94.40	74.50	157.41	158.74	77.43	81.31
14				169.90	167.60	92.80	69.00	157.83	158.51	77.26	81.25
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

TOT	127520		335
AVG	18217	759	48	204.36	204.50	115.35	83.36	157.81	158.45	78.42	80.03

MAX	20290			233.40	234.00	140.40	94.00	158.99	159.22	79.21	81.31
MIN	15077			168.40	167.60	92.80	69.00	156.80	157.56	77.26	79.10