Lower Granite Dam & Lake

June 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	Midnight Lewiston Gage ft
1	3580	149	50	100.80	100.70	20.60	79.70	733.71	733.73	634.06	99.67	734.87
2	2482	103	51	92.90	92.20	14.20	77.60	733.87	733.57	633.53	100.04	734.67
3	2164	90	51	85.40	85.50	12.30	72.80	733.84	733.75	633.45	100.30	734.64
4	2207	92	51	76.10	77.10	12.50	64.10	733.61	733.70	633.30	100.40	734.40
5	2227	93	51	70.80	70.30	12.60	57.30	733.74	733.57	633.25	100.32	734.34
6	2173	91	51	65.00	65.90	12.30	53.10	733.50	733.58	633.08	100.50	734.22
7	2195	91	51	64.00	62.70	12.40	49.70	733.82	733.67	633.00	100.67	734.41
8	2172	91	52	63.90	63.00	12.30	50.20	734.04	733.82	632.96	100.86	734.53
9	2140	89	51	67.50	68.10	12.10	55.40	733.88	733.97	633.40	100.57	734.63
10	2139	89	51	69.20	69.10	12.20	56.50	733.94	733.94	633.66	100.28	734.71
11	2158	90	51	67.70	68.40	12.30	55.70	733.74	733.72	633.79	99.93	734.43
12	2160	90	51	64.60	64.70	12.30	52.00	733.72	733.73	633.82	99.91	734.46
13	2161	90	51	62.70	62.50	12.30	49.60	733.78	733.64	633.52	100.12	734.32
14	2162	90	51	58.70	59.50	12.30	46.70	733.56	733.62	633.26	100.36	734.26
15	2158	90	51	54.20	55.00	12.30	42.30	733.35	733.42	633.25	100.17	733.99
16	2158	90	52	51.30	50.00	12.30	37.20	733.72	733.57	633.22	100.35	734.18
17	2158	90	51	47.30	47.30	12.30	34.70	733.68	733.65	633.36	100.29	734.20
18	2159	90	51	43.20	43.10	12.20	30.30	733.72	733.73	633.19	100.54	734.30
19	2155	90	51	43.60	43.90	12.30	31.30	733.63	733.65	633.39	100.26	734.19
20	2154	90	51	39.70	39.60	12.30	26.90	733.65	733.52	633.67	99.85	734.02
21	3530	147	51	38.30	39.00	20.30	18.30	733.47	733.71	634.15	99.56	734.11
22	3621	151	51	38.70	39.20	20.70	17.90	733.35	733.56	633.93	99.63	733.98
23	4128	172	51	42.20	42.30	23.60	18.10	733.33	733.63	633.79	99.84	734.05
24	3938	164	51	42.50	41.00	22.50	18.10	733.68	733.60	633.78	99.82	734.06
25	3693	154	51	40.30	39.70	21.00	18.40	733.81	733.93	633.73	100.20	734.34
26	3625	151	51	39.00	39.40	20.70	18.20	733.72	733.83	633.99	99.84	734.34
27	3706	154	51	39.60	39.90	21.30	18.00	733.63	733.68	634.03	99.65	734.25
28	3544	148	51	39.40	38.90	20.30	18.10	733.78	733.80	633.76	100.04	734.27
29				39.30	38.10	19.30	18.40	734.07	734.03	633.62	100.41	734.41
30				39.40	41.00	22.20	18.30	733.66	733.98	633.87	100.11	734.35

TOT	74845		1432
AVG	2673	111	51	56.24	56.24	15.61	40.16	733.70	733.71	633.56	100.15	734.33

MAX	4128			100.80	100.70	23.60	79.70	734.07	734.03	634.15	100.86	734.87
MIN	2139			38.30	38.10	12.10	17.90	733.33	733.42	632.96	99.56	733.98