Lower Granite Dam & Lake

April 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	13354	556	46	79.90	84.80	77.60	6.50	733.57	733.92	634.65	99.27	734.37
2	11781	491	46	74.90	75.50	68.50	6.50	733.42	733.86	634.34	99.52	734.55
3	2144	89	47	74.10	72.10	12.20	59.20	733.93	733.64	633.53	100.11	734.31
4	2127	89	45	71.90	71.90	12.10	59.40	733.92	733.87	633.30	100.57	734.34
5	2122	88	47	69.10	69.70	12.00	57.30	733.76	733.83	633.31	100.52	734.19
6	2130	89	47	67.60	68.50	12.10	55.90	733.54	733.68	633.23	100.45	734.02
7	2128	89	47	68.10	68.40	12.10	55.80	733.46	733.48	633.19	100.29	733.89
8	2132	89	47	72.10	70.50	12.10	57.80	733.86	733.56	633.30	100.26	734.25
9	2130	89	46	76.70	77.10	12.10	64.50	733.76	733.79	633.55	100.24	734.30
10	2123	88	47	78.70	78.00	12.10	65.40	733.94	733.89	633.62	100.27	734.55
11	2129	89	46	81.00	80.80	12.10	68.30	733.95	733.92	633.50	100.42	734.52
12	2132	89	47	87.30	88.50	12.20	75.70	733.65	733.66	633.82	99.84	734.35
13	2147	89	46	92.60	90.10	12.20	77.50	734.26	734.07	633.80	100.27	734.92
14	2137	89	46	89.50	91.20	12.20	78.60	733.84	734.01	634.00	100.01	734.54
15	2133	89	48	86.90	86.50	12.10	73.80	733.95	733.90	633.86	100.04	734.57
16	2172	91	47	86.50	88.70	12.30	75.90	733.39	733.78	633.75	100.03	734.34
17	2177	91	46	88.50	88.80	12.40	76.00	733.31	733.38	633.50	99.88	733.98
18	2174	91	45	88.70	88.70	12.40	75.60	733.32	733.54	633.74	99.80	734.17
19	2142	89	45	85.90	85.40	12.20	72.70	733.45	733.45	633.56	99.89	734.05
20	2121	88	45	80.60	80.60	12.10	68.00	733.45	733.61	633.53	100.08	734.15
21	2124	88	46	75.60	75.80	12.10	63.20	733.41	733.34	633.33	100.01	733.89
22	2166	90	47	72.20	70.70	12.30	57.90	733.79	733.52	633.30	100.22	734.14
23	2134	89	40	72.40	73.00	12.10	60.20	733.64	733.68	633.46	100.22	734.13
24	2124	89	35	70.00	69.20	12.10	56.60	733.84	733.80	633.33	100.47	734.24
25	2110	88	35	63.20	63.00	12.00	50.20	733.88	733.65	633.20	100.45	734.09
26	2114	88	35	63.70	64.50	12.00	52.10	733.66	733.87	633.20	100.67	734.23
27	2112	88	35	66.80	65.60	12.00	53.20	733.99	733.89	633.24	100.65	734.23
28	2126	89	35	73.60	72.40	12.10	59.80	734.30	733.92	633.68	100.24	734.57
29	2111	88	38	78.90	81.20	12.00	68.80	733.71	734.10	633.68	100.42	734.58
30	2139	89	46	84.00	83.40	12.20	70.70	733.85	733.71	633.60	100.11	734.40

TOT	84896		1320
AVG	2830	118	44	77.37	77.49	16.20	60.77	733.73	733.74	633.57	100.17	734.30

MAX	13354			92.60	91.20	77.60	78.60	734.30	734.10	634.65	100.67	734.92
MIN	2110			63.20	63.00	12.00	6.50	733.31	733.34	633.19	99.27	733.89