Rocky Reach Dam & Lake

March 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	19916	830	0	121.64	120.63	120.33	0.00	705.29	705.49	617.69	87.80
2	19911	830	0	124.07	120.87	120.57	0.00	705.99	705.74	617.69	88.05
3	19550	815	0	114.98	117.98	117.68	0.00	705.43	705.60	617.56	88.04
4	18557	773	0	111.00	111.50	111.20	0.00	705.37	705.59	616.91	88.68
5	21070	878	0	129.24	128.14	127.83	0.01	705.35	705.64	618.08	87.56
6	21851	910	0	133.27	133.65	133.52	0.00	705.12	705.52	618.45	87.07
7	19739	822	0	114.59	120.07	119.38	0.69	704.18	705.65	617.61	88.04
8	16837	702	0	106.84	106.12	106.12	0.00	704.62	705.31	616.74	88.57
9	18798	783	0	118.59	113.95	113.95	0.00	705.47	705.06	617.13	87.93
10	22954	956	0	142.13	140.82	140.82	0.00	705.20	705.88	619.06	86.82
11	21225	884	0	128.69	131.45	131.45	0.00	704.77	705.11	618.49	86.62
12	20110	838	0	121.56	121.68	121.68	0.00	704.99	705.39	617.74	87.65
13	23582	983	0	148.96	147.24	147.24	0.00	704.85	705.10	619.63	85.47
14	20811	867	0	124.74	125.57	125.56	0.01	705.13	705.85	618.15	87.70
15	18567	774	0	110.88	112.61	112.61	0.00	704.98	704.94	617.03	87.91
16			0	119.72	120.28	120.28	0.00	704.71	705.44	617.73	87.71
17				107.08	105.68	105.68	0.00	705.30	705.36	616.88	88.48
18				110.44	112.21	112.21	0.00	704.78	705.38	617.15	88.23
19				117.06	115.38	115.38	0.00	705.08	705.22	617.56	87.66
20				132.63	134.32	134.32	0.00	704.28	705.60	619.15	86.45
21				129.42	127.02	127.02	0.00	705.03	704.95	618.83	86.12
22				136.10	134.04	134.04	0.00	705.35	705.18	619.21	85.97
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TOT	303478		0
AVG	20232	843	0	122.89	122.78	122.68	0.03	705.06	705.41	617.93	87.48

MAX	23582			148.96	147.24	147.24	0.69	705.99	705.88	619.63	88.68
MIN	16837			106.84	105.68	105.68	0.00	704.18	704.94	616.74	85.47