Lower Monumental Dam & Lake

February 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	4311	180	18	24.10	24.50	24.20	0.00	538.88	539.07	439.08	99.99
2	4903	204	19	28.70	28.00	27.70	0.00	539.09	538.79	439.41	99.38
3	4576	191	19	27.80	26.10	25.80	0.00	539.13	538.92	439.23	99.69
4	4513	188	19	27.10	25.80	25.40	0.00	538.95	538.91	439.29	99.62
5	4531	189	19	26.60	25.70	25.50	0.00	539.23	538.97	439.11	99.86
6	4409	184	19	24.60	25.70	25.00	0.30	538.91	539.09	439.06	100.03
7	5022	209	19	30.50	28.60	28.30	0.00	539.49	539.15	439.01	100.14
8	4913	205	19	26.60	28.00	27.70	0.00	539.07	539.37	439.08	100.29
9	4929	205	19	28.60	28.10	27.70	0.00	539.23	539.13	439.21	99.92
10	4613	192	19	25.70	26.30	26.00	0.00	539.05	539.18	438.74	100.44
11	5503	229	19	31.60	31.70	31.20	0.00	539.01	538.63	439.19	99.44
12	6090	254	20	35.60	34.70	34.30	0.00	539.28	539.20	439.37	99.83
13	4591	191	19	25.20	26.10	25.80	0.00	539.03	539.11	439.15	99.96
14	4372	182	19	25.90	24.90	24.60	0.00	539.34	539.07	439.12	99.95
15	5024	209	19	29.10	28.40	28.10	0.00	539.53	539.32	439.34	99.98
16	5899	246	19	32.40	33.80	33.50	0.00	539.13	538.77	439.36	99.41
17	6600	275	19	34.10	37.50	37.20	0.00	538.13	538.80	439.03	99.77
18	3399	142	18	21.40	19.90	19.20	0.00	538.57	538.45	438.71	99.74
19	5790	241	19	34.70	33.00	32.70	0.00	539.08	538.93	439.08	99.85
20	5561	232	19	32.00	31.70	31.30	0.00	539.14	539.03	439.34	99.69
21	4723	197	21	26.60	26.90	26.70	0.00	539.06	539.11	439.49	99.62
22	4995	208	21	26.20	28.30	28.10	0.00	538.44	538.94	439.28	99.66
23	5245	219	19	31.80	29.70	29.50	0.00	539.07	538.66	438.90	99.76
24	5330	222	18	30.70	30.00	29.80	0.00	539.27	538.98	438.68	100.30
25	6663	278	18	37.10	37.70	37.50	0.00	539.09	539.06	439.35	99.71
26	6184	258	18	35.70	35.20	34.90	0.00	539.22	539.05	439.17	99.88
27	7380	308	17	41.40	41.70	41.50	0.00	539.13	539.10	439.58	99.52
28	6979	291	17	39.50	39.50	39.20	0.00	539.12	538.94	439.47	99.47

TOT	147046		528
AVG	5252	219	19	30.05	29.91	29.59	0.01	539.06	538.99	439.17	99.82

MAX	7380			41.40	41.70	41.50	0.30	539.53	539.37	439.58	100.44
MIN	3399			21.40	19.90	19.20	0.00	538.13	538.45	438.68	99.38