Rock Island Dam & Reservoir

October 2021

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	4574	191	0	62.98	63.03	60.37	2.66	611.97	612.00	568.01	43.99
2	4302	179	0	56.30	56.60	55.68	0.92	612.30	612.06	566.90	45.16
3	3592	150	0	61.81	59.80	48.10	11.70	612.66	612.44	567.88	44.56
4	4555	190	0	59.50	61.99	61.13	0.87	612.29	612.03	568.59	43.44
5	5513	230	0	74.66	77.41	75.65	1.76	611.26	612.20	569.09	43.11
6	3623	151	0	53.31	53.11	48.17	4.94	611.74	612.19	567.46	44.73
7	4401	183	0	61.26	57.65	56.24	1.41	612.29	612.18	566.99	45.19
8	5921	247	0	82.43	89.47	80.56	8.91	610.81	612.29	569.00	43.29
9	2546	106	0	32.92	32.53	32.36	0.17	611.01	611.44	565.65	45.79
10	3756	156	0	51.52	50.00	48.95	1.06	611.41	612.08	566.86	45.22
11	4190	175	0	60.80	57.49	55.29	2.20	612.63	611.99	568.06	43.93
12	6002	250	0	89.73	92.40	85.41	7.00	612.47	612.25	570.33	41.92
13	5362	223	0	71.89	77.56	77.56	0.00	611.19	612.07	571.23	40.84
14	3620	151	0	52.13	51.66	51.66	0.00	611.18	611.84	570.25	41.59
15	4232	176		59.22	59.92	59.48	0.44	611.44	612.10	569.75	42.35
16				51.30	52.17	52.07	0.10	611.23	612.00	568.92	43.08
17				65.80	66.75	61.99	4.75	611.44	612.00	569.40	42.60
18				41.13	41.34	41.31	0.03	611.31	611.88	568.68	43.20
19				74.35	71.97	68.62	3.36	612.37	611.95	569.10	42.85
20				51.27	54.57	54.55	0.02	611.56	611.79	568.25	43.54
21				71.21	71.72	69.88	1.84	612.08	612.01	568.72	43.29
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TOT	66189		0
AVG	4413	184	0	61.22	61.86	59.29	2.58	611.74	612.04	568.53	43.51

MAX	6002			89.73	92.40	85.41	11.70	612.66	612.44	571.23	45.79
MIN	2546			32.92	32.53	32.36	0.00	610.81	611.44	565.65	40.84