Lower Monumental Dam & Lake

April 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	11467	478	17	73.10	73.80	64.90	8.10	537.96	538.60	439.54	99.06
2	10615	442	17	68.20	68.70	60.40	7.50	537.78	537.91	439.31	98.60
3	2200	92	16	70.00	69.10	12.60	55.90	538.03	537.70	438.82	98.88
4	2165	90	16	67.10	68.00	12.30	55.10	537.74	538.02	438.85	99.17
5	2123	88	16	62.70	63.40	12.20	50.50	537.56	537.61	438.78	98.83
6	2124	88	16	64.40	63.50	12.20	50.60	537.82	537.68	438.76	98.92
7	2145	89	15	61.90	59.70	12.20	46.80	538.47	538.09	438.68	99.41
8	2174	91	15	58.20	58.50	12.30	45.40	538.39	538.51	438.45	100.06
9	2149	90	16	60.30	60.50	12.20	47.60	538.33	538.47	438.65	99.82
10	2144	89	16	61.20	61.10	12.20	48.30	538.38	538.29	438.72	99.57
11	2161	90	15	59.70	59.50	12.30	46.50	538.41	538.32	438.71	99.61
12	2176	91	16	66.70	67.00	12.40	54.00	538.35	538.37	438.83	99.54
13				72.90	72.50	12.30	59.60	538.44	538.40	439.00	99.40
14				73.60	73.10	12.30	60.10	538.59	538.49	439.02	99.47
15				72.30	73.10	12.30	60.00	538.37	538.55	438.98	99.57
16				78.30	78.80	12.30	65.80	538.21	538.29	439.13	99.16
17				75.20	74.50	12.30	61.40	538.41	538.32	438.85	99.47
18				69.90	69.90	12.30	56.90	538.44	538.42	438.75	99.67
19				65.10	65.40	12.40	52.30	538.33	538.37	438.71	99.66
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TOT	43644		191
AVG	3637	152	16	67.41	67.37	17.60	49.07	538.21	538.23	438.87	99.36

MAX	11467			78.30	78.80	64.90	65.80	538.59	538.60	439.54	100.06
MIN	2123			58.20	58.50	12.20	7.50	537.56	537.61	438.45	98.60