John Day & Lake Umatilla

June 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	21693	904	43	238.90	238.90	117.40	120.40	265.40	265.40	162.00	103.40
2	22504	938	44	244.50	249.70	121.60	126.90	265.20	265.25	161.78	103.47
3	21857	911	44	229.10	242.50	119.00	122.10	264.69	264.85	162.02	102.83
4	20846	869	43	227.60	232.90	113.60	117.90	264.48	264.63	162.04	102.59
5	19657	819	42	207.30	220.20	107.00	112.00	263.99	264.37	161.63	102.74
6	18395	766	42	197.00	204.00	100.10	102.50	263.71	263.79	161.04	102.75
7	18742	781	42	198.80	201.40	102.10	98.10	263.60	263.78	160.90	102.88
8	17578	732	42	172.60	182.60	94.80	86.50	263.20	263.54	159.89	103.65
9	18560	773	43	198.50	195.70	100.60	93.80	263.31	263.37	160.20	103.17
10	17418	726	43	189.90	185.00	94.20	89.40	263.51	263.53	160.27	103.26
11	18168	757	43	193.20	191.20	99.60	90.00	263.59	263.62	161.49	102.13
12	16020	667	43	176.90	171.70	87.40	83.00	263.80	263.75	161.23	102.52
13	15504	646	42	163.50	166.40	84.20	80.80	263.68	263.74	160.97	102.77
14	16383	683	42	179.30	171.70	89.20	81.30	263.98	263.94	161.16	102.78
15	16169	674	42	175.90	170.60	87.20	82.20	264.19	264.15	160.46	103.69
16	21798	908	42	166.80	184.20	118.60	64.40	263.49	263.82	161.04	102.78
17	18340	764	43	161.80	154.40	99.40	53.70	263.79	263.77	160.62	103.15
18	18905	788	42	161.10	159.40	102.30	55.80	263.86	263.81	160.55	103.26
19	19164	799	42	152.30	162.10	104.20	56.60	263.46	263.68	160.78	102.90
20	16823	701	42	149.40	142.40	91.40	49.70	263.74	263.58	160.98	102.60
21	15397	642	42	136.00	129.00	82.80	44.80	264.03	263.85	160.32	103.53
22	17240	718	41	134.50	144.10	92.90	50.00	263.64	263.91	160.59	103.32
23	17870	745	42	150.30	150.00	96.70	52.20	263.65	263.80	160.61	103.19
24	18852	786	41	160.60	157.60	101.90	54.50	263.75	263.69	160.37	103.32
25	17433	726	41	144.50	147.30	94.30	51.60	263.75	263.69	160.66	103.03
26	16342	681	41	146.90	137.40	88.10	48.10	264.12	264.04	160.63	103.41
27	19193	800	41	152.10	162.00	104.10	56.60	263.73	264.03	161.00	103.03
28	16996	708	41	144.80	142.60	91.50	49.70	263.82	263.98	160.45	103.53
29				137.60	130.50	83.90	45.20	264.11	264.03	160.52	103.51
30				126.00	139.60	90.20	48.20	263.57	264.03	160.63	103.40

TOT	513846		1180
AVG	18352	765	42	173.92	175.57	98.68	75.60	263.89	263.98	160.89	103.09

MAX	22504			244.50	249.70	121.60	126.90	265.40	265.40	162.04	103.69
MIN	15397			126.00	129.00	82.80	44.80	263.20	263.37	159.89	102.13