McNary Dam & Lake Wallula

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	12808	534	96	98.90	104.90	100.20	0.00	339.05	339.19	264.74	74.45
2	13360	557	96	119.40	108.90	104.20	0.00	339.60	339.36	264.64	74.72
3	12940	539	96	84.60	110.00	101.10	4.20	338.23	338.90	264.64	74.26
4	11748	489	96	103.80	96.80	92.10	0.00	338.62	338.47	264.48	73.99
5	11031	460	96	93.20	90.10	85.40	0.00	338.80	338.88	264.35	74.53
6	13673	570	96	106.10	112.60	107.90	0.00	338.43	338.60	264.82	73.78
7	12035	501	96	104.00	98.30	93.60	0.00	338.74	338.68	264.25	74.43
8	13568	565	96	96.40	112.00	107.20	0.20	337.98	338.33	264.53	73.80
9	11738	489	96	104.80	97.20	92.10	0.40	338.30	338.33	264.27	74.06
10	12984	541	96	111.70	105.70	101.00	0.00	338.64	338.57	264.15	74.42
11	12883	537	96	112.20	104.60	99.90	0.00	339.05	338.84	264.21	74.63
12	14278	595	96	122.80	115.90	111.20	0.00	339.41	339.28	264.78	74.50
13				110.90	116.00	111.30	0.00	339.11	339.45	265.05	74.40
14				106.50	102.10	97.40	0.00	339.37	339.33	264.64	74.69
15				90.90	97.40	90.90	1.80	339.00	339.26	264.30	74.96
16				89.50	94.60	89.90	0.00	338.72	339.00	264.20	74.80
17				114.90	108.70	102.40	1.70	339.10	339.02	264.69	74.33
18				126.40	121.30	116.60	0.00	339.34	339.22	265.14	74.08
19				83.70	88.20	81.80	1.60	339.10	339.21	264.63	74.58
20
21
22
23
24
25
26
27
28
29
30

TOT	153045		1152
AVG	12754	531	96	104.25	104.49	99.27	0.52	338.87	338.94	264.55	74.39

MAX	14278			126.40	121.30	116.60	4.20	339.60	339.45	265.14	74.96
MIN	11031			83.70	88.20	81.80	0.00	337.98	338.33	264.15	73.78