Rock Island Dam

Friday July 31, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	100.20	75.60	24.60	612.12	569.70	42.42
2	72.80	48.10	24.70	611.71	569.42	42.29
3	65.50	42.30	23.20	611.33	569.18	42.15
4	51.60	27.40	24.20	612.09	568.31	43.78
5	39.20	15.00	24.10	612.03	568.62	43.41
6	42.30	17.40	24.80	612.13	569.07	43.06
7	81.20	57.70	23.50	612.20	569.38	42.82
8	117.60	92.50	25.10	612.27	571.00	41.27
9	103.30	78.50	24.80	612.26	570.46	41.80
10	129.40	111.90	17.60	611.69	571.35	40.34
11	111.50	95.60	15.90	611.54	569.53	42.01
12	94.70	77.00	17.70	612.04	569.31	42.73
13	69.10	49.50	19.60	612.00	568.96	43.04
14	50.00	32.50	17.50	612.09	567.48	44.61
15	86.50	71.30	15.20	612.12	569.34	42.78
16	143.80	128.50	15.30	611.55	572.43	39.12
17	154.40	138.40	15.90	612.25	572.00	40.25
18	161.70	141.80	19.90	611.90	572.05	39.85
19	153.50	133.40	20.10	611.97	572.57	39.40
20	153.40	128.70	24.60	612.22	571.84	40.38
21	154.80	129.70	25.10	612.44	572.21	40.23
22	165.30	140.40	25.00	611.94	572.59	39.35
23	162.80	139.00	23.80	611.42	572.30	39.12
24	131.30	106.90	24.40	612.39	570.86	41.53

AVG	108.16	86.63	21.53	611.99	570.41	41.57

MAX	165.30	141.80	25.10	612.44	572.59	44.61
MIN	39.20	15.00	15.20	611.33	567.48	39.12