Priest Rapids Dam & Reservoir

July 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	15928	664	49	146.40	148.20	121.80	25.70	486.44	486.09	411.82	74.27
2	16104	671	50	145.30	149.20	124.00	24.60	485.35	485.69	412.01	73.68
3	14553	606	50	135.40	135.20	111.70	22.90	485.41	485.07	410.93	74.14
4	14071	586	50	133.80	131.50	106.60	24.40	486.06	485.65	410.57	75.08
5	14939	622	49	135.70	138.70	114.30	23.80	485.22	485.39	411.15	74.24
6	16149	673	50	138.90	142.20	126.70	14.80	484.28	484.70	411.50	73.20
7	12917	538	51	116.90	112.50	98.60	13.40	485.54	484.37	409.16	75.21
8	10461	436	50	98.30	100.00	77.50	22.10	485.06	484.77	407.99	76.78
9	10659	444	49	103.00	101.40	79.10	21.90	485.49	484.72	408.19	76.53
10	11195	466	50	105.60	106.40	83.10	22.90	485.24	485.09	408.50	76.59
11	9222	384	48	94.30	91.30	67.00	23.80	486.09	485.46	407.09	78.37
12	12233	510	49	110.50	116.30	91.20	24.60	484.44	485.67	409.38	76.29
13	13149	548	50	123.70	122.30	101.90	19.90	484.85	484.01	409.95	74.06
14	10366	432	45	96.40	98.60	78.10	19.90	484.21	483.89	407.76	76.13
15	11866	494	50	109.70	110.90	90.70	19.70	483.84	483.81	408.95	74.86
16				107.40	101.20	78.40	22.40	485.61	484.90	408.09	76.81
17				75.60	76.00	53.10	22.40	485.50	484.90	405.82	79.08
18				83.20	78.20	51.90	25.80	486.87	486.18	405.96	80.22
19				102.30	102.30	74.40	27.30	486.87	486.63	408.08	78.55
20				108.00	107.20	79.00	27.80	487.06	486.79	408.61	78.18
21				97.10	101.60	73.80	27.40	485.83	486.63	408.05	78.58
22
23
24
25
26
27
28
29
30
31

TOT	193812		740
AVG	12921	538	49	112.74	112.91	89.66	22.74	485.49	485.26	409.03	76.23

MAX	16149			146.40	149.20	126.70	27.80	487.06	486.79	412.01	80.22
MIN	9222			75.60	76.00	51.90	13.40	483.84	483.81	405.82	73.20