John Day & Lake Umatilla

November 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	20525	855	43	95.10	110.30	108.40	0.70	265.52	265.76	160.14	105.62
2	18739	781	45	91.80	96.80	95.10	0.60	265.42	265.62	160.06	105.56
3	20128	839	42	111.70	109.10	107.20	0.70	265.42	265.34	160.50	104.84
4				110.80	116.00	113.90	0.70	265.32	265.24	159.86	105.38
5				130.10	119.60	117.60	0.70	265.52	265.17	159.91	105.26
6				86.00	101.70	99.70	0.70	265.32	265.48	160.37	105.11
7				113.20	97.60	95.70	0.70	265.62	265.51	160.44	105.07
8				103.20	105.90	103.90	0.70	265.52	265.57	160.47	105.10
9				116.50	111.30	109.30	0.70	265.72	265.70	160.59	105.11
10				116.90	114.30	112.50	0.70	265.82	265.71	160.22	105.49
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TOT	59392		130
AVG	19797	825	43	107.53	108.26	106.33	0.69	265.52	265.51	160.26	105.25

MAX	20525			130.10	119.60	117.60	0.70	265.82	265.76	160.59	105.62
MIN	18739			86.00	96.80	95.10	0.60	265.32	265.17	159.86	104.84