McNary Dam & Lake Wallula

January 2023

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	12066	503	96	96.00	95.60	93.10	0.00	339.21	339.10	265.81	73.29
2	15027	626	96	112.40	120.10	117.60	0.00	338.78	338.91	266.42	72.49
3	14709	613	96	120.90	117.50	115.00	0.00	338.97	339.08	266.54	72.54
4	13063	544	96	97.90	103.90	101.40	0.00	338.66	338.97	266.00	72.97
5	12478	520	96	102.00	98.90	96.90	0.00	338.80	338.56	265.69	72.87
6	15923	663	96	132.50	125.50	123.70	0.00	339.19	339.26	266.16	73.10
7	13639	568	96	109.20	106.90	105.10	0.00	339.33	339.38	265.97	73.41
8	14019	584	96	114.20	109.70	107.90	0.00	339.55	339.49	266.23	73.26
9	13604	567	96	104.20	107.60	105.80	0.00	339.38	339.42	266.18	73.24
10	15350	640	96	120.90	122.50	120.70	0.00	339.29	339.48	266.33	73.15
11	15914	663	96	132.10	127.50	125.70	0.00	339.57	339.56	266.28	73.28
12	15335	639	96	116.70	122.90	121.10	0.00	339.23	339.21	266.20	73.01
13	13893	579	96	111.40	110.60	108.70	0.00	339.25	339.27	265.91	73.36
14	13818	576	96	110.20	111.40	107.40	0.00	339.21	339.22	266.18	73.04
15	13342	556	96	112.40	107.70	103.70	0.00	339.47	339.44	266.04	73.40
16	13834	576	96	103.30	112.20	108.20	0.00	338.95	339.12	266.14	72.98
17	12694	529	96	108.30	101.80	98.50	0.00	339.33	339.27	265.97	73.30
18	15590	650	96	117.70	126.20	123.40	0.00	338.89	338.95	266.52	72.43
19	14429	601	54	105.70	116.80	114.00	0.00	338.28	338.52	266.36	72.16
20	14805	617	48	126.20	119.20	116.40	0.00	338.65	338.69	266.20	72.49
21	15225	634	48	134.70	123.20	120.40	0.00	339.28	338.85	266.29	72.56
22				110.90	111.50	108.70	0.00	339.26	339.25	265.93	73.32
23				126.40	131.20	128.40	0.00	338.96	339.16	266.42	72.74
24				116.90	114.40	111.60	0.00	339.10	339.26	266.16	73.10
25				118.90	113.20	110.40	0.00	339.41	339.29	266.16	73.13
26				116.00	117.40	114.60	0.00	339.35	339.47	266.27	73.20
27				100.20	100.20	97.40	0.00	339.34	339.28	265.88	73.40
28
29
30
31

TOT	298755		1878
AVG	14226	593	89	114.01	113.91	111.33	0.00	339.14	339.17	266.16	73.01

MAX	15923			134.70	131.20	128.40	0.00	339.57	339.56	266.54	73.41
MIN	12066			96.00	95.60	93.10	0.00	338.28	338.52	265.69	72.16