Lower Monumental Dam

Wednesday May 20, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Nav Lock Tailwater Elevation
1	57.70	12.10	44.90	538.52	438.49	100.03	438.56
2	59.10	12.10	44.90	538.59	438.48	100.11	438.56
3	59.10	12.10	44.90	538.59	438.47	100.12	438.76
4	57.80	12.10	45.10	538.65	438.49	100.16	438.63
5	58.20	12.10	45.50	538.65	438.41	100.24	438.49
6	57.80	12.10	45.10	538.72	438.48	100.24	438.65
7	57.90	12.20	45.20	538.73	438.45	100.28	438.67
8	58.10	12.10	45.40	538.82	438.43	100.39	438.49
9	58.00	12.10	45.30	538.82	438.40	100.42	438.56
10	57.60	12.20	44.80	538.72	438.44	100.28	438.63
11	58.00	12.20	45.10	538.74	438.44	100.30	438.62
12	57.80	12.20	44.90	538.70	438.39	100.31	438.35
13	55.10	12.20	42.20	538.67	438.32	100.35	438.39
14	54.90	12.20	42.10	538.73	438.38	100.35	438.50
15	55.10	12.20	42.30	538.75	438.31	100.44	438.39
16	54.90	12.30	42.00	538.73	438.40	100.33	438.49
17	56.10	13.40	42.10	538.75	438.57	100.18	438.66
18	56.40	12.30	42.10	538.78	438.39	100.39	438.40
19	55.00	12.30	42.10	538.77	438.34	100.43	438.35
20	55.20	12.10	42.50	538.79	438.43	100.36	438.52
21	56.70	12.10	44.00	538.78	438.45	100.33	438.67
22	56.40	12.10	43.70	538.68	438.45	100.23	438.58
23	56.50	12.10	43.90	538.65	438.49	100.16	438.70
24	58.10	12.10	44.00	538.57	438.46	100.11	438.72

AVG	56.98	12.21	43.92	538.70	438.43	100.27	438.56

MAX	59.10	13.40	45.50	538.82	438.57	100.44	438.76
MIN	54.90	12.10	42.00	538.52	438.31	100.03	438.35