John Day & Lake Umatilla

May 2022

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	12829	535	52	155.60	155.60	68.10	86.40	265.33	265.30	159.82	105.48
2	12699	529	52	142.60	147.70	67.50	79.10	265.13	265.13	159.99	105.14
3	13091	545	52	164.70	156.90	69.70	86.10	265.43	265.30	160.35	104.95
4	12911	538	51	158.80	156.10	68.40	86.60	265.53	265.49	160.04	105.45
5	13863	578	50	181.20	176.00	73.70	101.00	265.73	265.53	160.32	105.21
6	14816	617	50	203.20	203.20	78.50	123.70	265.73	265.73	160.31	105.42
7	11774	491	51	210.50	215.70	62.70	151.90	265.53	265.36	160.15	105.21
8	13805	575	50	240.30	237.70	74.00	162.60	265.63	265.68	161.01	104.67
9	15580	649	52	228.00	225.40	83.20	141.20	265.73	265.62	160.87	104.75
10	15839	660	52	230.70	228.00	84.70	142.00	265.83	265.71	161.14	104.57
11	16579	691	52	253.00	250.40	89.00	160.10	265.93	265.92	161.62	104.30
12	16565	690	52	234.20	244.60	89.10	154.30	265.53	265.76	161.49	104.27
13	16905	704	52	243.80	241.20	90.90	149.00	265.63	265.68	161.40	104.28
14	16841	702	52	245.60	250.90	90.90	158.80	265.43	265.46	161.49	103.97
15	17083	712	50	248.20	245.50	91.80	152.40	265.53	265.39	161.00	104.39
16	16132	672	51	231.50	234.20	87.10	145.70	265.43	265.31	161.52	103.79
17	17584	733	50	260.20	247.20	94.60	151.50	265.93	265.74	161.59	104.15
18	17240	718	51	263.10	256.70	93.30	162.20	265.63	265.48	161.83	103.65
19	17448	727	52	270.30	262.50	94.40	166.90	265.93	265.56	161.94	103.62
20	20826	868	51	285.10	290.30	113.20	176.00	265.73	265.91	162.66	103.25
21				278.80	278.80	105.60	171.90	265.73	265.63	162.14	103.49
22				263.70	271.60	104.80	165.30	265.43	265.59	161.95	103.64
23				258.00	258.00	92.90	164.00	265.43	265.26	161.94	103.32
24				259.00	248.50	93.00	154.10	265.83	265.64	161.56	104.08
25				263.00	273.40	102.00	170.40	265.43	265.75	162.17	103.58
26				272.90	272.90	99.20	172.40	265.43	265.42	162.05	103.37
27				283.10	285.70	103.50	181.00	265.33	265.19	162.56	102.63
28
29
30
31

TOT	310412		1023
AVG	15521	647	51	234.41	233.88	87.62	145.06	265.59	265.54	161.29	104.25

MAX	20826			285.10	290.30	113.20	181.00	265.93	265.92	162.66	105.48
MIN	11774			142.60	147.70	62.70	79.10	265.13	265.13	159.82	102.63