McNary Dam & Lake Wallula

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	6350	265	96	150.70	155.40	50.60	100.10	338.68	338.68	265.99	72.69
2	6358	265	96	151.80	149.00	50.60	93.70	338.82	338.78	266.01	72.77
3	6350	265	96	150.80	160.30	50.80	104.80	338.32	338.64	266.27	72.37
4	6343	264	96	152.70	155.40	51.00	99.70	338.17	338.18	266.15	72.03
5	6299	262	96	179.70	180.50	50.90	124.90	338.05	338.26	266.60	71.66
6	6310	263	96	201.00	198.20	51.40	142.10	338.23	338.20	267.07	71.13
7	6331	264	96	217.70	209.00	51.80	152.50	338.70	338.25	267.40	70.85
8	6378	266	96	222.80	232.20	51.90	175.50	338.25	338.76	267.65	71.11
9	6340	264	96	220.70	211.20	51.50	155.00	338.78	338.68	267.34	71.34
10	6314	263	96	220.30	224.30	51.30	168.20	338.53	338.63	267.38	71.25
11	6292	262	96	241.40	244.70	51.60	188.40	338.31	338.42	267.78	70.64
12	6320	263	96	227.60	230.10	51.70	173.70	338.26	338.30	267.51	70.79
13	6326	264	96	238.10	237.30	51.80	180.80	338.28	338.33	267.60	70.73
14	6346	264	96	237.00	240.60	51.90	184.00	338.09	338.24	267.38	70.86
15	6331	264	96	244.60	239.30	51.60	183.00	338.37	338.30	267.29	71.01
16	6389	266	96	229.40	232.70	52.10	175.90	338.18	338.28	267.29	70.99
17	6348	264	96	247.60	250.60	52.20	193.80	337.99	338.40	267.83	70.57
18	6341	264	96	253.80	245.00	52.10	188.20	338.47	338.43	267.87	70.56
19	6326	264	96	260.10	263.10	52.00	206.40	338.33	338.72	268.24	70.48
20	6342	264	96	271.80	274.50	52.60	217.30	338.18	338.40	268.41	69.99
21				264.40	271.20	52.70	213.80	337.79	338.17	268.02	70.15
22				262.30	263.10	52.70	205.70	337.76	337.72	267.83	69.89
23				252.60	253.60	52.40	196.50	337.71	337.79	267.51	70.28
24				252.60	257.00	51.70	200.60	337.50	337.80	267.74	70.06
25				268.80	263.30	53.20	205.50	337.73	337.62	268.01	69.61
26				265.20	268.40	53.30	210.40	337.57	337.80	267.83	69.97
27				293.30	287.20	53.00	229.50	337.90	337.89	268.20	69.69
28
29
30
31

TOT	126734		1920
AVG	6337	264	96	228.84	229.53	51.87	172.96	338.18	338.28	267.41	70.87

MAX	6389			293.30	287.20	53.30	229.50	338.82	338.78	268.41	72.77
MIN	6292			150.70	149.00	50.60	93.70	337.50	337.62	265.99	69.61