Rocky Reach Dam & Lake

December 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	89.51	90.91	90.91	0.00	705.73	705.09	615.87	89.22
2	86.25	88.25	88.25	0.00	705.26	705.44	615.45	89.99
3	87.82	89.13	89.13	0.00	705.04	705.05	615.41	89.64
4	105.43	103.43	103.43	0.00	705.17	705.69	616.45	89.24
5	127.75	125.25	125.25	0.00	705.30	705.15	618.09	87.06
6	104.27	106.47	106.47	0.00	705.16	705.63	616.78	88.85
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TOT
AVG	100.17	100.57	100.57	0.00	705.28	705.34	616.34	89.00

MAX	127.75	125.25	125.25	0.00	705.73	705.69	618.09	89.99
MIN	86.25	88.25	88.25	0.00	705.04	705.05	615.41	87.06