Priest Rapids Dam & Reservoir

March 2026

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	18144	756	38	142.40	139.80	139.30	0.00	487.07	486.40	412.40	74.00
2	17273	720	39	126.50	131.20	130.70	0.00	485.78	486.25	411.75	74.50
3	16909	705	39	131.40	130.90	129.00	1.00	485.92	485.83	411.67	74.16
4				115.60	114.70	113.60	0.00	486.18	485.10	410.34	74.76
5				117.10	114.40	113.30	0.00	486.91	484.82	410.30	74.52
6				133.70	131.30	121.50	8.60	487.53	486.84	411.64	75.20
7				141.70	145.90	113.90	30.80	486.38	486.66	412.47	74.19
8				130.70	133.30	115.60	16.70	485.68	485.56	411.63	73.93
9				124.70	122.90	121.60	0.10	485.82	485.07	411.14	73.93
10								485.47
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TOT	52326		116
AVG	17442	727	39	129.31	129.38	122.06	6.36	486.27	485.84	411.48	74.35

MAX	18144			142.40	145.90	139.30	30.80	487.53	486.84	412.47	75.20
MIN	16909			115.60	114.40	113.30	0.00	485.47	484.82	410.30	73.93