Lower Monumental Dam & Lake

July 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	4471	186	14	43.30	43.40	25.40	17.30	537.86	537.83	438.27	99.56
2	4227	176	14	42.00	41.80	23.90	17.30	537.93	537.97	438.12	99.85
3	3702	154	14	38.30	38.40	20.80	16.90	537.92	537.94	437.94	100.00
4	3049	127	14	35.00	34.90	17.20	17.00	537.93	538.01	437.90	100.11
5	3031	126	14	35.20	34.90	17.10	17.20	537.98	537.91	437.93	99.98
6	3046	127	17	34.30	35.00	17.30	17.00	537.79	537.72	437.98	99.74
7	3311	138	18	35.60	36.30	18.70	16.90	537.61	537.82	437.97	99.85
8	3119	130	18	36.10	35.20	17.70	16.90	537.85	537.78	438.05	99.73
9				32.80	32.40	14.80	16.90	537.98	537.91	437.91	100.00
10				32.80	33.10	15.50	16.90	537.89	537.97	437.87	100.10
11				29.50	30.20	12.60	16.90	537.70	537.82	437.77	100.05
12				25.50	25.80	12.20	13.00	537.61	537.45	437.67	99.78
13				27.70	25.90	12.20	13.10	538.13	537.71	437.83	99.88
14				27.30	27.60	12.20	14.70	538.03	537.83	437.93	99.90
15				33.70	33.90	16.10	17.10	537.95	537.99	437.99	100.00
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25
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27
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31

TOT	27954		122
AVG	3494	146	15	33.94	33.92	16.91	16.34	537.88	537.84	437.94	99.90

MAX	4471			43.30	43.40	25.40	17.30	538.13	538.01	438.27	100.11
MIN	3031			25.50	25.80	12.20	13.00	537.61	537.45	437.67	99.56