Rock Island Dam

Tuesday April 7, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	112.00	98.40	13.60	611.90	571.73	40.17
2	120.40	106.70	13.70	611.81	571.81	40.00
3	109.70	96.20	13.50	611.76	571.43	40.33
4	102.20	88.80	13.40	611.91	571.35	40.56
5	99.30	88.50	10.80	611.85	571.80	40.05
6	109.70	99.20	10.50	611.37	572.32	39.05
7	121.90	111.80	10.10	611.28	572.35	38.93
8	109.20	100.10	9.10	611.93	571.95	39.98
9	111.90	102.50	9.40	611.96	571.73	40.23
10	112.70	103.60	9.10	611.52	571.73	39.79
11	96.20	87.00	9.20	611.95	571.89	40.06
12	87.00	77.70	9.30	611.81	571.57	40.24
13	68.40	57.60	10.80	611.96	571.46	40.50
14	61.30	50.70	10.60	611.74	571.27	40.47
15	63.50	52.90	10.60	611.65	571.51	40.14
16	59.00	48.60	10.40	611.55	571.27	40.28
17	43.80	33.00	10.80	612.07	570.69	41.38
18	51.20	40.30	10.90	612.20	571.08	41.12
19	96.50	85.70	10.80	612.10	572.13	39.97
20	127.00	116.10	10.90	611.92	572.84	39.08
21	145.20	131.50	13.70	611.95	572.70	39.25
22	146.10	132.30	13.80	611.97	573.08	38.89
23	142.70	128.90	13.80	612.23	572.35	39.88
24	142.70	128.90	13.80	611.98	572.92	39.06

AVG	101.65	90.29	11.36	611.85	571.87	39.98

MAX	146.10	132.30	13.80	612.23	573.08	41.38
MIN	43.80	33.00	9.10	611.28	570.69	38.89