Priest Rapids Dam & Reservoir

December 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	13558	565	18	100.50	100.30	100.00	0.00	485.64	485.58	408.97	76.61
2	13143	548	18	97.10	97.00	96.70	0.00	485.64	485.65	408.50	77.15
3	13210	550	18	96.20	97.90	97.60	0.00	485.16	485.42	408.69	76.73
4	12493	521	20	91.40	91.80	91.50	0.00	485.02	485.03	408.00	77.03
5				127.20	123.70	120.30	3.10	486.02	485.87	410.85	75.02
6				123.40	119.60	118.10	1.20	487.06	486.09	410.55	75.54
7				106.40	109.50	109.20	0.00	486.21	486.52	409.77	76.75
8				104.20	102.60	102.30	0.00	486.63	486.55	409.23	77.32
9				102.30	101.70	101.30	0.00	486.80	486.64	409.09	77.55
10				81.60	78.70	78.50	0.00	487.57	486.74	406.98	79.76
11				97.60	98.90	97.40	1.10	487.23	487.36	408.75	78.61
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TOT	52404		74
AVG	13101	546	18	102.54	101.97	101.17	0.49	486.27	486.13	409.03	77.10

MAX	13558			127.20	123.70	120.30	3.10	487.57	487.36	410.85	79.76
MIN	12493			81.60	78.70	78.50	0.00	485.02	485.03	406.98	75.02