Lower Granite Dam & Lake

May 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	2129	89	46	80.60	80.70	12.10	68.10	733.83	733.58	633.49	100.09	734.13
2	2124	89	46	80.00	80.10	12.10	67.40	733.82	733.68	633.43	100.25	734.20
3	2144	89	46	84.60	83.50	12.20	70.80	734.09	733.61	633.62	99.99	734.34
4	2140	89	46	92.00	92.30	12.20	79.70	734.03	733.72	633.83	99.89	734.53
5	2966	124	45	100.30	101.50	17.10	84.00	733.72	733.61	634.32	99.29	734.44
6	2129	89	46	89.70	90.60	12.20	77.90	733.53	733.48	634.01	99.47	734.15
7	2128	89	46	87.00	86.80	12.10	74.20	733.57	733.64	633.66	99.98	734.30
8	2127	89	46	87.80	86.90	12.10	74.30	733.77	733.52	633.75	99.77	734.29
9	2186	91	46	95.00	95.60	12.50	82.60	733.62	733.44	634.13	99.31	734.18
10	3292	137	45	103.10	103.10	18.90	83.70	733.62	733.54	634.04	99.50	734.46
11	4905	204	45	112.50	113.20	28.40	84.30	733.45	733.46	634.63	98.83	734.55
12	6217	259	45	120.00	119.80	36.10	83.20	733.53	733.53	634.94	98.59	734.72
13				114.90	115.00	34.30	80.20	733.50	733.43	634.83	98.60	734.51
14				107.40	107.50	29.30	77.70	733.48	733.78	634.69	99.09	734.90
15				95.40	93.80	14.80	78.50	733.88	733.85	634.11	99.74	734.87
16				86.10	86.40	12.60	73.40	733.79	733.53	633.60	99.93	734.47
17				82.90	84.90	12.30	72.10	733.31	733.53	633.79	99.74	734.37
18				78.00	75.70	12.10	63.10	733.86	733.41	633.58	99.83	734.33
19				81.00	80.80	12.20	68.10	733.92	733.79	633.51	100.28	734.62
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31

TOT	34487		547
AVG	2874	120	46	93.59	93.59	17.14	75.96	733.70	733.59	634.00	99.59	734.44

MAX	6217			120.00	119.80	36.10	84.30	734.09	733.85	634.94	100.28	734.90
MIN	2124			78.00	75.70	12.10	63.10	733.31	733.41	633.43	98.59	734.13