Lower Monumental Dam & Lake

June 2026

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	2149	90	14	62.20	62.40	12.10	49.60	538.39	538.63	438.53	100.10
2	2156	90	14	56.10	56.40	12.20	43.40	538.29	538.32	438.47	99.85
3	2166	90	13	51.40	50.90	12.20	38.00	538.44	538.40	438.30	100.10
4				50.10	49.50	12.30	36.60	538.60	538.48	438.30	100.18
5				46.90	46.50	12.20	33.60	538.71	538.57	438.27	100.30
6				47.30	47.30	12.10	34.50	538.74	538.67	438.17	100.50
7				50.00	51.30	12.10	38.40	538.34	538.43	438.56	99.87
8				49.30	48.90	12.10	36.00	538.50	538.48	438.32	100.16
9				49.40	48.90	12.10	36.00	538.66	538.59	438.30	100.29
10				47.70	48.60	12.10	35.70	538.37	538.65	438.37	100.28
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

TOT	6471		42
AVG	2157	90	14	51.04	51.07	12.15	38.18	538.50	538.52	438.36	100.16

MAX	2166			62.20	62.40	12.30	49.60	538.74	538.67	438.56	100.50
MIN	2149			46.90	46.50	12.10	33.60	538.29	538.32	438.17	99.85