Ice Harbor Dam

Tuesday April 7, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head	Nav Lock Tailwater Elevation
1	68.30	13.00	54.80	438.00	342.19	95.81	343.04
2	68.60	13.10	55.10	438.23	342.17	96.06	343.09
3	69.90	13.00	54.90	438.25	342.09	96.16	342.81
4	68.40	13.00	54.90	438.31	342.21	96.10	342.98
5	68.50	13.00	55.00	438.26	342.15	96.11	342.99
6	68.50	13.00	55.00	438.30	342.18	96.12	343.06
7	69.90	13.00	56.40	438.32	342.48	95.84	343.19
8	72.50	13.00	59.00	438.27	342.62	95.65	343.32
9	72.50	13.00	59.00	438.26	342.61	95.65	343.29
10	72.20	13.00	58.70	437.94	342.70	95.24	343.23
11	72.10	13.10	58.50	437.93	342.62	95.31	343.21
12	72.50	13.10	58.90	437.80	342.71	95.09	343.33
13	63.20	13.10	49.60	437.82	341.92	95.90	342.52
14	60.50	13.00	47.00	437.78	341.74	96.04	342.47
15	61.90	13.00	46.90	437.82	342.10	95.72	342.60
16	60.50	13.00	47.00	437.81	341.84	95.97	342.57
17	60.40	13.00	46.90	437.77	341.71	96.06	342.53
18	60.50	13.10	46.90	437.73	341.65	96.08	342.46
19	60.40	13.10	46.80	437.66	341.75	95.91	342.45
20	60.40	13.00	46.90	437.67	341.70	95.97	342.35
21	60.50	13.00	47.00	437.69	341.69	96.00	342.25
22	60.50	13.00	47.00	437.68	341.63	96.05	342.35
23	60.50	13.00	47.00	437.69	341.48	96.21	342.28
24	60.40	13.00	47.00	437.67	341.46	96.21	342.29

AVG	65.57	13.02	51.93	437.94	342.06	95.89	342.78

MAX	72.50	13.10	59.00	438.32	342.71	96.21	343.33
MIN	60.40	13.00	46.80	437.66	341.46	95.09	342.25