John Day & Lake Umatilla

September 2020

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	18198	758	41	106.30	101.30	98.50	1.50	264.01	263.89	159.75	104.14
2	21081	878	42	109.40	116.90	114.60	1.00	263.71	263.81	160.08	103.73
3	18531	772	40	104.90	102.40	100.40	0.90	263.81	263.82	159.70	104.12
4	17512	730	40	87.00	97.00	94.80	0.90	263.42	263.76	159.65	104.11
5	15532	647	40	93.40	86.00	83.90	1.00	263.71	263.55	159.55	104.00
6	20146	839	40	110.80	110.80	108.80	1.00	263.71	263.80	159.65	104.15
7	18315	763	39	98.80	101.30	99.30	1.00	263.45	263.69	159.54	104.15
8	20052	835	40	108.60	110.90	109.00	1.00	263.52	263.53	159.82	103.71
9	16818	701	41	88.70	93.70	91.50	0.90	263.41	263.46	159.75	103.71
10	19620	817	41	109.20	109.20	106.90	1.10	263.41	263.20	159.77	103.43
11	17565	732	40	102.70	97.70	95.80	0.90	263.51	263.29	159.75	103.54
12	17969	749	41	111.90	99.50	97.60	1.00	264.01	263.74	159.95	103.79
13	20346	848	41	114.90	112.20	110.30	1.10	264.11	264.00	160.08	103.92
14	19208	800	41	100.20	105.30	103.60	1.00	263.91	263.90	159.54	104.36
15	18164	757	40	95.30	100.20	98.50	0.90	263.71	263.73	159.85	103.88
16	16116	671	41	91.90	89.40	87.40	0.90	263.81	263.68	159.69	103.99
17				107.10	102.10	100.10	0.90	263.98	263.83	159.87	103.96
18				115.40	115.30	113.40	0.90	264.01	263.95	160.10	103.85
19				86.90	87.00	85.10	0.90	264.01	263.90	159.76	104.14
20				82.70	80.10	78.00	0.90	264.11	264.08	159.61	104.47
21				71.00	78.60	76.70	0.90	263.81	263.90	159.72	104.18
22				84.20	81.70	79.80	0.90	263.91	263.87	159.65	104.22
23				79.30	84.30	82.30	0.80	263.71	263.88	159.88	104.00
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30

TOT	295174		649
AVG	18448	769	41	98.29	98.39	96.36	0.97	263.77	263.75	159.77	103.98

MAX	21081			115.40	116.90	114.60	1.50	264.11	264.08	160.10	104.47
MIN	15532			71.00	78.60	76.70	0.80	263.41	263.20	159.54	103.43