Wanapum Dam & Lake

April 2021

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	9067	378	21	81.80	64.10	62.60	0.00	570.32	568.24	487.26	80.98
2	9216	384	21	57.50	76.80	64.20	10.60	567.66	567.85	487.71	80.14
3	8943	373	21	69.80	71.00	62.30	6.70	567.50	567.44	487.53	79.91
4	7506	313	21	56.00	64.20	52.60	9.60	566.35	566.43	486.97	79.46
5	9329	389	21	77.70	68.40	66.40	0.00	567.65	566.11	487.46	78.65
6	11087	462	21	70.20	80.70	78.70	0.00	566.18	567.25	488.17	79.08
7	8171	340	21	66.80	60.70	58.70	0.00	567.03	565.96	487.55	78.41
8	9082	378	22	75.30	72.70	63.20	7.50	567.39	567.79	487.13	80.66
9				72.50	62.40	60.40	0.00	568.80	566.89	487.71	79.18
10				65.00	73.30	64.20	7.10	567.65	568.52	487.05	81.47
11				84.70	69.70	61.30	6.40	569.73	569.28	486.89	82.39
12				75.30	73.30	71.30	0.00	570.01	569.22	488.47	80.75
13				71.10	71.30	69.30	0.00	569.99	570.27	487.72	82.55
14				80.50	84.90	82.90	0.00	569.38	569.64	489.33	80.31
15				86.90	86.40	84.40	0.00	569.45	569.31	489.21	80.10
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

TOT	72401		169
AVG	9050	377	21	72.74	71.99	66.83	3.19	568.34	568.01	487.74	80.27

MAX	11087			86.90	86.40	84.40	10.60	570.32	570.27	489.33	82.55
MIN	7506			56.00	60.70	52.60	0.00	566.18	565.96	486.89	78.41