Lower Monumental Dam & Lake

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	2804	117	21	17.40	18.00	15.90	1.30	538.51	538.56	439.16	99.40
2	2437	102	21	15.80	15.80	13.80	1.30	538.52	538.56	439.06	99.50
3	2358	98	20	15.50	15.40	13.40	1.40	538.54	538.53	438.94	99.59
4	2689	112	21	16.50	17.30	15.30	1.40	538.29	538.53	438.99	99.54
5	2834	118	20	18.80	18.20	16.10	1.40	538.45	538.47	439.02	99.45
6	3218	134	20	19.40	20.40	18.30	1.40	538.52	538.51	439.11	99.40
7	3310	138	21	22.70	20.90	18.70	1.40	539.07	538.77	439.06	99.71
8	3668	153	20	20.90	23.00	20.80	1.40	538.44	538.86	439.09	99.77
9	2872	120	20	20.20	18.30	16.20	1.30	539.03	538.65	438.87	99.78
10	3370	140	19	21.10	21.40	19.10	1.60	538.94	538.98	439.23	99.75
11	3499	146	20	21.00	21.90	19.80	1.40	538.69	538.94	439.29	99.65
12	3467	144	20	22.70	21.90	19.60	1.40	538.92	538.81	439.11	99.70
13	3137	131	20	18.40	19.90	17.70	1.30	538.46	538.70	438.98	99.72
14	2676	112	17	17.50	17.30	15.20	1.30	538.54	538.55	438.94	99.61
15	2367	99	12	15.30	15.50	13.40	1.30	538.49	538.52	439.02	99.50
16	2377	99	12	15.30	15.60	13.40	1.30	538.40	538.48	438.84	99.64
17				15.10	15.10	13.20	1.30	538.40	538.45	438.83	99.62
18				16.30	15.50	13.40	1.30	538.64	538.63	438.74	99.89
19				16.30	15.90	13.80	1.40	538.75	538.76	438.89	99.87
20				16.40	16.60	14.50	1.30	538.69	538.67	438.96	99.71
21				18.70	17.80	15.60	1.40	538.98	538.65	438.72	99.93
22				15.10	16.80	14.50	1.40	538.49	538.56	438.72	99.84
23				19.10	17.80	15.70	1.40	538.88	538.66	438.83	99.83
24
25
26
27
28
29
30
31

TOT	47084		305
AVG	2943	123	19	18.07	18.10	15.97	1.37	538.64	538.64	438.97	99.67

MAX	3668			22.70	23.00	20.80	1.60	539.07	538.98	439.29	99.93
MIN	2358			15.10	15.10	13.20	1.30	538.29	538.45	438.72	99.40