McNary Dam & Lake Wallula

July 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	9588	400	120	138.00	148.40	73.80	69.90	338.25	338.72	264.89	73.83
2	7083	295	120	149.00	144.40	54.50	85.20	338.50	338.40	265.05	73.35
3	6787	283	120	141.00	138.80	51.90	82.20	338.59	338.52	264.63	73.89
4	6917	288	120	129.30	125.00	52.70	67.60	338.81	338.60	264.57	74.03
5	6877	287	120	108.50	113.00	52.10	56.20	338.60	338.89	264.48	74.41
6	6875	286	120	115.90	112.60	52.10	55.90	338.76	338.75	264.25	74.50
7				127.20	122.70	57.00	61.00	338.96	338.69	264.24	74.45
8				131.60	132.00	57.40	69.90	338.98	338.99	264.55	74.44
9				117.30	124.50	51.20	68.60	338.68	338.80	264.74	74.06
10				93.40	96.90	50.50	41.90	338.49	338.56	264.38	74.18
11				94.90	98.20	51.80	42.40	338.35	338.48	264.09	74.39
12				104.80	103.70	52.30	46.90	338.41	338.41	264.08	74.33
13				114.80	112.60	52.00	55.90	338.56	338.63	264.28	74.35
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TOT	44127		720
AVG	7354	306	120	120.44	120.98	54.56	61.82	338.61	338.65	264.48	74.17

MAX	9588			149.00	148.40	73.80	85.20	338.98	338.99	265.05	74.50
MIN	6787			93.40	96.90	50.50	41.90	338.25	338.40	264.08	73.35