Lower Monumental Dam & Lake

May 2026

Day of Month	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	64.90	65.10	12.50	51.90	538.46	538.35	438.54	99.81
2	63.90	65.30	12.10	52.40	538.06	538.38	438.61	99.77
3	61.30	59.60	12.10	46.70	538.56	538.46	438.65	99.81
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TOT
AVG	63.37	63.33	12.23	50.33	538.36	538.40	438.60	99.80

MAX	64.90	65.30	12.50	52.40	538.56	538.46	438.65	99.81
MIN	61.30	59.60	12.10	46.70	538.06	538.35	438.54	99.77