Lower Monumental Dam

Thursday September 17, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Nav Lock Tailwater Elevation
1	13.20	12.60	0.00	538.25	438.78	99.47	438.89
2	13.20	12.60	0.00	538.41	438.55	99.86	438.61
3	13.20	12.60	0.00	538.31	438.57	99.74	438.58
4	13.20	12.60	0.00	538.37	438.65	99.72	438.68
5	13.30	12.70	0.00	538.42	438.62	99.80	438.65
6	21.00	12.70	7.70	538.29	438.19	100.10	438.84
7	21.00	12.40	8.00	538.49	438.30	100.19	438.91
8	22.30	12.40	7.80	538.29	438.32	99.97	439.18
9	20.90	12.40	7.90	538.46	438.11	100.35	438.65
10	21.00	12.50	7.90	538.25	438.11	100.14	438.64
11	21.10	12.60	7.80	538.45	438.12	100.33	438.68
12	21.10	12.50	7.90	538.35	438.02	100.33	438.55
13	23.30	14.90	7.80	538.43	438.15	100.28	438.83
14	22.60	12.50	7.90	538.38	438.13	100.25	438.68
15	20.90	12.50	7.80	538.33	438.12	100.21	438.78
16	21.00	12.50	7.90	538.47	438.02	100.45	438.59
17	21.20	12.70	7.80	538.27	438.31	99.96	438.92
18	18.20	16.40	1.20	538.52	438.74	99.78	438.78
19	18.50	16.40	0.00	538.23	438.81	99.42	438.95
20	17.20	16.60	0.00	538.55	438.68	99.87	438.65
21	17.00	16.40	0.00	538.31	438.97	99.34	439.08
22	16.90	16.30	0.00	538.51	438.82	99.69	438.99
23	14.90	12.80	0.00	538.51	438.65	99.86	438.72
24	13.20	12.60	0.00	538.54	438.77	99.77	438.86

AVG	18.31	13.47	3.97	538.39	438.44	99.95	438.78

MAX	23.30	16.60	8.00	538.55	438.97	100.45	439.18
MIN	13.20	12.40	0.00	538.23	438.02	99.34	438.55