John Day & Lake Umatilla

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	19247	802	50	223.40	220.80	102.90	116.50	265.69	265.62	161.28	104.34
2	20727	864	49	222.00	229.80	111.00	117.50	265.40	265.60	161.36	104.24
3	17894	746	49	214.70	204.80	95.50	108.10	265.78	265.46	160.96	104.50
4	19523	813	49	206.90	214.70	104.50	108.80	265.49	265.59	161.30	104.29
5	20789	866	48	225.40	230.70	111.60	117.60	265.28	265.38	161.42	103.96
6	20551	856	48	238.40	233.20	110.30	121.60	265.48	265.46	161.36	104.10
7	20034	835	47	214.60	224.80	107.30	116.10	265.09	265.26	160.95	104.31
8	19780	824	46	229.90	224.80	106.10	117.50	265.28	265.25	161.37	103.88
9	20584	858	45	247.30	239.30	110.60	127.10	265.59	265.46	161.50	103.96
10	21054	877	45	238.20	241.00	113.00	126.70	265.48	265.58	161.59	103.99
11	21751	906	45	246.30	246.50	117.70	127.30	265.48	265.48	162.11	103.37
12	23686	987	46	276.00	268.20	127.90	139.00	265.78	265.63	161.97	103.66
13				254.60	254.50	120.70	132.50	265.78	265.77	161.22	104.55
14				226.30	226.60	106.80	118.40	265.77	265.73	161.48	104.25
15				208.40	211.30	101.10	108.80	265.66	265.72	161.12	104.60
16				216.20	213.30	104.90	106.90	265.77	265.82	161.21	104.61
17				213.60	224.30	107.90	114.90	265.37	265.62	161.25	104.37
18				199.00	199.00	99.70	97.80	265.37	265.25	160.99	104.26
19				183.90	180.40	93.30	85.80	265.50	265.33	160.87	104.46
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TOT	245621		567
AVG	20468	853	47	225.53	225.68	108.04	116.26	265.53	265.53	161.33	104.19

MAX	23686			276.00	268.20	127.90	139.00	265.78	265.82	162.11	104.61
MIN	17894			183.90	180.40	93.30	85.80	265.09	265.25	160.87	103.37