Wanapum Dam & Lake

November 2025

Day of Month	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	70.10	80.90	60.40	18.40	565.68	566.80	487.68	79.12
2	88.20	76.80	63.30	11.40	567.44	566.61	488.36	78.25
3	111.80	97.70	91.80	3.90	569.35	569.27	489.04	80.23
4	117.40	114.50	106.00	6.50	569.82	569.72	490.27	79.45
5	95.00	95.40	90.80	2.70	569.53	569.36	489.39	79.97
6	73.10	82.90	79.10	1.80	568.59	569.20	488.23	80.97
7	82.20	81.20	76.40	2.70	568.43	569.22	487.86	81.36
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TOT
AVG	91.11	89.91	81.11	6.77	568.41	568.60	488.69	79.91

MAX	117.40	114.50	106.00	18.40	569.82	569.72	490.27	81.36
MIN	70.10	76.80	60.40	1.80	565.68	566.61	487.68	78.25