Wanapum Dam

Monday September 21, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	59.90	56.87	1.05	566.84	487.06	79.78
2	41.50	38.48	1.05	566.84	485.85	80.99
3	43.50	40.43	1.03	566.56	486.41	80.15
4	48.80	45.88	0.94	566.41	486.42	79.99
5	41.70	38.75	0.92	566.33	485.95	80.39
6	44.30	41.44	0.88	566.05	486.48	79.56
7	75.00	72.21	0.80	565.74	487.88	77.86
8	55.40	52.56	0.84	566.15	486.36	79.79
9	50.40	47.53	0.87	566.10	486.48	79.63
10	53.00	50.20	0.83	565.88	486.52	79.36
11	52.20	49.41	0.82	566.09	486.60	79.49
12	62.00	59.17	0.85	566.05	487.31	78.74
13	76.00	73.13	0.83	565.89	487.89	78.01
14	71.70	68.89	0.80	565.82	487.59	78.22
15	73.90	71.08	0.80	565.79	487.78	78.01
16	71.90	69.11	0.79	565.76	487.65	78.11
17	85.20	82.41	0.79	566.05	488.46	77.58
18	92.50	89.69	0.81	565.81	488.86	76.94
19	88.50	85.67	0.79	565.82	488.27	77.55
20	63.40	60.55	0.82	566.00	486.97	79.02
21	52.70	49.79	0.88	566.44	486.63	79.81
22	55.90	52.97	0.97	566.68	486.90	79.78
23	38.60	35.54	1.05	566.90	485.64	81.26
24	35.50	32.44	1.10	566.93	485.78	81.15

AVG	59.73	56.84	0.89	566.21	486.99	79.22

MAX	92.50	89.69	1.10	566.93	488.86	81.26
MIN	35.50	32.44	0.79	565.74	485.64	76.94