Lower Monumental Dam & Lake

March 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	5385	224	17	32.00	31.90	30.20	1.40	539.12	538.90	439.09	99.81
2	5887	245	17	34.20	33.30	33.00	0.00	539.41	539.16	439.37	99.79
3	5911	246	17	32.90	33.50	33.20	0.00	539.23	539.20	439.51	99.69
4	5843	243	17	33.40	34.50	32.80	1.40	538.89	538.96	439.37	99.59
5	7039	293	17	40.80	39.90	39.50	0.00	539.18	539.07	439.42	99.65
6	6897	287	17	41.30	40.30	38.60	1.40	539.49	539.42	439.56	99.86
7	7001	292	17	39.30	39.60	39.30	0.00	539.38	539.35	439.65	99.70
8	6687	279	16	38.70	40.80	39.00	1.50	538.98	539.20	439.37	99.83
9	7305	304	18	40.70	41.60	41.30	0.00	538.60	538.76	439.43	99.33
10	6937	289	18	41.80	39.50	39.20	0.00	539.02	538.86	439.38	99.48
11	6960	290	16	38.40	41.20	39.50	1.40	538.84	538.47	439.55	98.92
12	8695	362	16	51.00	49.20	48.90	0.00	539.07	539.17	439.63	99.54
13	11568	482	17	65.80	67.40	65.60	1.40	538.36	538.93	440.15	98.78
14	15524	647	16	92.90	89.20	88.90	0.00	539.62	538.55	440.78	97.77
15	16905	704	16	95.20	98.20	96.40	1.50	538.70	539.09	440.99	98.10
16	13059	544	16	71.10	74.70	74.40	0.00	537.69	538.24	439.84	98.40
17	11220	467	16	66.60	64.50	64.20	0.00	538.30	537.83	439.71	98.12
18	11450	477	16	70.10	66.60	64.60	1.50	539.37	539.23	440.14	99.09
19	12369	515	16	68.70	70.60	69.90	0.00	538.83	539.32	440.20	99.12
20	11477	478	15	66.90	67.30	65.40	1.40	538.64	538.57	439.92	98.65
21	10069	420	16	65.90	65.60	56.80	8.20	538.64	538.73	439.27	99.46
22				72.60	72.60	63.90	8.10	538.71	538.54	439.87	98.67
23				70.90	69.60	60.70	8.30	538.84	538.84	439.82	99.02
24				58.80	61.60	53.00	7.80	538.53	538.30	439.63	98.67
25				68.50	68.60	59.90	8.00	538.26	538.55	439.90	98.65
26				77.30	73.50	64.80	8.00	539.24	538.54	439.90	98.64
27				89.30	92.50	83.80	8.10	538.37	538.48	440.81	97.67
28				77.10	77.30	68.50	8.20	538.26	538.69	440.15	98.54
29								538.34
30
31

TOT	194188		348
AVG	9247	385	17	58.65	58.75	55.55	2.77	538.82	538.82	439.80	99.02

MAX	16905			95.20	98.20	96.40	8.30	539.62	539.42	440.99	99.86
MIN	5385			32.00	31.90	30.20	0.00	537.69	537.83	439.09	97.67