McNary Dam & Lake Wallula

November 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	11489	479	120	95.20	97.30	91.10	1.50	337.80	337.87	266.20	71.67
2	10593	441	125	92.40	86.60	80.50	1.40	338.06	337.88	265.84	72.04
3	12382	516	120	96.20	104.20	98.00	1.50	337.71	337.97	265.80	72.17
4				121.80	108.80	102.50	1.60	338.40	338.42	265.77	72.65
5				125.00	126.30	119.90	1.70	338.48	338.78	266.04	72.74
6				104.90	102.60	96.30	1.60	338.45	338.74	265.92	72.82
7				100.90	98.00	91.60	1.60	338.65	338.73	266.01	72.72
8				101.70	100.60	94.20	1.70	338.81	338.94	265.89	73.05
9				111.20	113.00	106.60	1.60	338.75	338.81	266.25	72.56
10				107.40	113.10	106.80	1.60	338.36	338.62	266.28	72.34
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TOT	34464		365
AVG	11488	479	122	105.67	105.05	98.75	1.58	338.35	338.48	266.00	72.48

MAX	12382			125.00	126.30	119.90	1.70	338.81	338.94	266.28	73.05
MIN	10593			92.40	86.60	80.50	1.40	337.71	337.87	265.77	71.67