Lower Monumental Dam & Lake

October 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	2556	107	14	16.30	16.60	14.40	1.40	538.72	538.82	438.55	100.27
2				16.60	16.20	14.10	1.40	538.86	538.81	438.45	100.36
3				16.40	16.20	14.10	1.40	538.90	538.84	438.54	100.30
4				16.00	16.10	14.00	1.40	538.88	538.93	438.52	100.41
5				16.00	16.50	14.40	1.40	538.74	538.93	438.68	100.25
6				18.30	19.70	17.50	1.40	538.30	538.63	438.71	99.92
7				16.10	18.10	13.30	3.90	538.18	538.16	438.32	99.84
8				15.30	14.90	12.80	1.40	538.30	538.23	438.27	99.96
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1

TOT	2556		14
AVG	2556	107	14	16.38	16.79	14.32	1.71	538.61	538.67	438.50	100.16

MAX	2556			18.30	19.70	17.50	3.90	538.90	538.93	438.71	100.41
MIN	2556			15.30	14.90	12.80	1.40	538.18	538.16	438.27	99.84