Rock Island Dam & Reservoir

May 2025

Day of Month	Total Generation MWh	Average Generation MW	Station Use MWh	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	8784	366	0	147.43	150.93	137.63	13.31	611.76	612.18	573.62	38.56
2	8431	351	0	137.91	143.73	131.50	12.23	612.04	611.93	573.64	38.29
3	5590	233	0	90.15	91.97	80.61	11.36	611.89	611.62	571.51	40.11
4	6858	286	0	106.53	108.33	97.69	10.63	612.06	611.94	571.06	40.88
5	7454	311	0	119.05	120.17	106.75	13.42	611.80	611.82	571.22	40.60
6	8543	356	0	138.98	141.63	127.81	13.82	612.22	611.91	572.35	39.56
7	8084	337	0	129.90	133.13	120.02	13.10	612.03	612.08	572.39	39.69
8	7843	327	0	129.14	132.29	118.66	13.63	612.24	611.95	573.12	38.83
9	8910	371	0	150.25	153.78	139.82	13.96	611.80	611.88	573.92	37.96
10	8265	344	0	135.68	140.60	128.41	12.18	612.21	611.78	573.62	38.16
11	7587	316	0	121.48	124.81	111.08	13.73	611.76	611.94	572.13	39.81
12	8378	349	0	133.19	137.42	124.74	12.69	611.95	611.92	572.39	39.53
13				108.14	112.18	98.66	13.52	611.92	611.66	570.97	40.69
14				113.59	112.29	100.39	11.90	612.12	611.94	570.79	41.15
15				129.06	134.62	122.37	12.25	612.32	611.95	572.88	39.07
16				111.77	113.87	101.68	12.19	612.05	611.96	571.17	40.79
17				95.83	99.17	89.21	9.96	612.19	612.09	569.59	42.50
18				77.68	76.45	66.15	10.29	612.24	612.03	567.22	44.81
19				115.68	120.45	109.60	10.84	611.80	611.73	569.90	41.83
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TOT	94727		0
AVG	7894	329	0	120.60	123.57	111.20	12.37	612.02	611.91	571.76	40.15

MAX	8910			150.25	153.78	139.82	13.96	612.32	612.18	573.92	44.81
MIN	5590			77.68	76.45	66.15	9.96	611.76	611.62	567.22	37.96