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	13060	544	120	121.80	108.80	102.50	1.60	338.40	338.42	265.77	72.65
5	15260	636	120	125.00	126.30	119.90	1.70	338.48	338.78	266.04	72.74
6	12369	515	120	104.90	102.60	96.30	1.60	338.45	338.74	265.92	72.82
7	11776	491	120	100.90	98.00	91.60	1.60	338.65	338.73	266.01	72.72
8	12158	507	120	101.70	100.60	94.20	1.70	338.81	338.94	265.89	73.05
9	13602	567	120	111.20	113.00	106.60	1.60	338.75	338.81	266.25	72.56
10	13578	566	120	107.40	113.10	106.80	1.60	338.36	338.62	266.28	72.34
11				107.10	104.00	97.70	1.60	338.54	338.59	266.01	72.58
12				107.50	103.10	96.80	1.60	338.72	338.70	265.77	72.93
13				106.30	107.60	101.30	1.70	338.63	338.83	265.49	73.34
14				94.10	103.30	97.00	1.60	338.33	338.51	265.12	73.39
15				96.30	95.80	89.50	1.60	338.14	338.31	264.41	73.90
16				106.00	102.20	97.50	0.00	338.42	338.41	264.00	74.41
17				108.90	119.40	114.70	0.00	337.85	338.48	264.34	74.14
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TOT	126268		1205
AVG	12627	526	120	104.88	105.05	98.94	1.41	338.36	338.51	265.60	72.91

MAX	15260			125.00	126.30	119.90	1.70	338.81	338.94	266.28	74.41
MIN	10593			92.40	86.60	80.50	0.00	337.71	337.87	264.00	71.67