Rock Island Dam

Monday June 1, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	170.10	131.30	38.80	612.47	574.22	38.25
2	183.30	131.40	51.90	612.21	574.70	37.51
3	177.10	131.40	45.70	612.23	574.62	37.61
4	170.60	131.40	39.20	612.02	574.43	37.59
5	169.80	131.50	38.30	611.53	574.45	37.08
6	169.20	131.40	37.80	611.55	574.40	37.15
7	169.60	131.30	38.30	611.85	574.40	37.45
8	170.00	131.50	38.50	611.84	574.43	37.41
9	155.90	116.90	39.00	611.96	574.00	37.96
10	142.00	116.90	25.10	612.19	572.99	39.20
11	117.70	89.60	28.10	612.76	571.92	40.84
12	99.50	72.70	26.80	612.72	571.84	40.88
13	133.10	103.80	29.30	612.54	573.64	38.90
14	155.90	130.30	25.60	612.54	573.80	38.74
15	160.40	120.90	39.50	612.42	573.35	39.07
16	166.90	123.10	43.80	612.38	573.60	38.78
17	164.30	124.50	39.80	612.28	573.67	38.61
18	166.20	126.40	39.80	612.25	574.05	38.20
19	182.40	142.70	39.70	612.30	574.54	37.76
20	187.30	147.70	39.60	612.34	574.78	37.56
21	187.60	147.90	39.70	612.38	574.68	37.70
22	187.50	147.60	39.90	612.55	574.78	37.77
23	187.70	147.70	40.00	612.67	575.03	37.64
24	193.00	147.90	45.10	612.57	575.27	37.30

AVG	165.30	127.41	37.89	612.27	574.07	38.21

MAX	193.00	147.90	51.90	612.76	575.27	40.88
MIN	99.50	72.70	25.10	611.53	571.84	37.08