Priest Rapids Dam & Reservoir

October 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	6741	281	39	69.10	63.60	47.10	15.80	487.62	486.41	404.58	81.83
2	9115	380	41	60.60	68.80	64.50	3.80	485.37	486.26	405.57	80.69
3	7414	309	36	57.80	55.40	52.70	2.00	486.06	485.59	403.91	81.68
4	7475	311	35	54.90	54.80	52.00	2.10	486.07	485.85	403.98	81.87
5	7184	299	35	54.60	54.40	51.70	2.10	486.13	485.70	403.73	81.97
6	8775	366	38	66.30	64.50	61.60	2.20	486.62	486.04	405.06	80.98
7	7757	323	35	58.30	55.70	52.50	2.50	487.33	486.94	404.28	82.66
8	10363	432	37	72.30	75.80	72.50	2.50	486.38	487.12	406.33	80.79
9	11650	485	41	85.60	86.50	83.60	2.10	486.13	485.75	407.39	78.36
10	10339	431	39	76.90	76.20	73.20	2.30	486.30	486.29	406.34	79.95
11	8165	340	37	58.40	59.50	56.70	2.20	486.00	486.07	404.48	81.59
12	9944	414	37	72.60	74.90	72.00	2.10	485.35	485.82	406.03	79.79
13	10098	421	38	75.70	74.90	72.30	1.90	485.57	485.15	406.26	78.89
14	10988	458	40	78.90	82.70	80.10	1.80	484.46	484.99	407.04	77.95
15	8031	335	41	68.50	66.00	57.70	7.80	485.17	485.00	404.90	80.10
16	8533	356	37	82.80	81.80	63.00	18.20	485.44	485.33	406.13	79.20
17	8676	362	41	63.70	67.20	63.10	3.60	484.42	484.60	405.21	79.39
18	8660	361	37	68.60	64.40	61.90	2.00	485.60	485.35	404.94	80.41
19	8221	343	37	54.40	62.20	59.40	2.20	483.33	484.55	404.65	79.90
20	8657	361	37	71.60	67.00	63.50	2.90	484.70	483.69	405.19	78.50
21	9348	390	38	72.00	70.10	67.70	1.70	485.25	484.56	405.56	79.00
22	9467	394	41	69.80	71.90	68.40	2.90	484.65	485.18	405.73	79.45
23	9763	407	39	73.20	73.40	71.00	1.80	484.58	484.71	405.94	78.77
24	9660	402	41	78.10	77.00	71.10	5.30	484.90	485.02	406.11	78.91
25	9258	386	37	73.10	70.60	66.70	3.20	485.61	485.69	405.71	79.98
26				62.50	65.70	57.30	7.70	484.70	484.84	405.01	79.83
27				68.90	71.50	65.00	5.80	483.93	483.49	405.60	77.89
28				79.20	79.10	76.50	1.90	483.96	484.74	406.43	78.31
29				64.90	66.60	64.10	1.80	483.41	483.65	405.33	78.32
30				87.30	82.50	78.50	3.10	484.82	484.45	406.78	77.67
31				78.30	82.60	80.20	1.70	483.56	484.09	406.89	77.20

TOT	224282		954
AVG	8971	374	38	69.64	69.91	65.41	3.84	485.27	485.26	405.52	79.74

MAX	11650			87.30	86.50	83.60	18.20	487.62	487.12	407.39	82.66
MIN	6741			54.40	54.40	47.10	1.70	483.33	483.49	403.73	77.20