Priest Rapids Dam & Reservoir

October 2026

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	55.40	53.00	50.80	1.50	485.90	485.66	403.69	81.97
2	58.90	58.40	55.20	2.50	486.03	486.20	404.33	81.87
3	59.60	59.80	56.80	2.40	485.97	485.68	404.45	81.23
4	52.00	54.30	51.50	2.10	485.32	485.03	403.86	81.17
5	56.80	55.20	52.20	2.30	485.79	485.50	403.91	81.59
6	78.60	80.30	77.00	2.50	485.29	485.90	406.62	79.28
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TOT
AVG	60.22	60.17	57.25	2.22	485.72	485.66	404.48	81.18

MAX	78.60	80.30	77.00	2.50	486.03	486.20	406.62	81.97
MIN	52.00	53.00	50.80	1.50	485.29	485.03	403.69	79.28