Rocky Reach Dam & Lake

July 2026

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	20824	868	0	143.11	141.84	127.60	13.91	705.60	706.17	619.18	86.99
2	19152	798	0	127.82	129.54	117.36	11.88	705.54	705.41	618.24	87.17
3	18425	768	0	122.90	124.30	112.78	11.20	705.33	705.70	617.80	87.90
4	19783	824	0	139.35	134.73	121.60	12.81	706.08	706.11	618.69	87.42
5	17305	721	0	114.26	115.68	105.54	9.81	706.23	705.89	617.51	88.38
6	17312	721	0	115.52	117.12	106.06	10.72	705.77	705.76	617.36	88.40
7	15036	626	0	97.56	102.16	91.85	10.01	705.13	705.00	616.41	88.59
8	14194	591	0	95.03	94.73	85.42	9.01	705.33	704.99	615.98	89.01
9	16561	690	0	110.20	111.91	102.08	9.53	704.58	705.18	617.08	88.10
10	14060	586	0	97.07	95.27	84.98	9.98	705.34	705.11	615.96	89.15
11	17453	727	0	119.96	115.46	106.40	8.73	705.86	705.78	617.26	88.52
12	16297	679	0	105.97	107.17	98.99	7.84	705.76	705.90	616.78	89.12
13	14692	612	0	103.33	101.63	90.55	10.75	706.34	705.39	616.29	89.10
14	14809	617	0	100.58	101.08	89.75	11.01	706.17	706.18	616.56	89.62
15	15185	633	0	97.02	101.12	91.62	9.16	705.35	705.85	616.39	89.46
16	13280	553	0	85.61	87.11	79.02	7.77	705.21	705.82	615.43	90.39
17	12473	520	0	85.23	83.13	75.34	7.47	705.70	705.80	615.32	90.48
18	11881	495	0	78.70	79.90	71.38	8.19	705.50	705.80	615.08	90.72
19	15185	633	0	98.20	100.30	92.45	7.53	704.70	705.80	616.31	89.49
20	13917	580	0	98.83	93.53	83.70	9.50	706.00	705.63	615.89	89.74
21	13135	547	0	90.42	91.42	80.28	10.81	705.78	705.84	615.77	90.07
22	15773	657	0	104.60	105.70	95.93	9.44	705.32	705.99	616.71	89.28
23	16509	688	0	108.71	109.71	100.62	8.79	705.01	705.67	616.90	88.77
24	15695	654	0	110.23	105.23	97.27	7.67	706.21	705.87	616.79	89.08
25	11624	484	0	75.15	77.15	69.28	7.57	706.16	706.25	614.91	91.34
26	13804	575	0	88.71	90.61	81.96	8.33	705.61	706.28	615.92	90.36
27	15501	646	0	105.28	102.98	94.12	8.55	705.87	706.01	616.65	89.36
28	13968	582	0	92.33	93.13	84.06	8.77	705.92	705.62	615.83	89.79
29	15062	628	0	97.18	98.98	90.73	7.92	705.41	706.15	616.35	89.80
30	14528	605	0	91.90	89.00	88.63	0.05	706.15	706.06	615.95	90.11
31				108.31	108.51	106.25	1.93	705.84	706.02	617.09	88.93

TOT	463423		0
AVG	15447	644	0	103.52	103.55	94.31	8.92	705.64	705.78	616.59	89.18

MAX	20824			143.11	141.84	127.60	13.91	706.34	706.28	619.18	91.34
MIN	11624			75.15	77.15	69.28	0.05	704.58	704.99	614.91	86.99