Ice Harbor Dam

April 2026

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	9268	386	58	74.50	76.30	54.10	21.40	438.51	438.31	344.02	94.29
2	9242	385	58	69.60	72.30	54.20	17.50	437.85	437.95	343.85	94.10
3	2337	97	57	74.10	73.60	13.40	59.60	437.96	438.09	342.71	95.38
4	2319	97	57	73.20	72.00	13.30	58.30	438.25	438.13	342.59	95.54
5	2277	95	56	68.20	69.20	13.00	55.60	437.99	438.14	342.47	95.67
6	2288	95	56	68.20	67.90	13.00	54.10	438.07	438.11	342.14	95.97
7	2283	95	56	63.90	65.60	13.00	51.90	437.67	437.94	342.06	95.88
8	2289	95	56	62.40	62.20	13.00	48.60	437.69	437.67	341.53	96.14
9	2277	95	56	65.00	62.80	12.90	49.20	438.23	438.00	341.59	96.41
10	2279	95	56	66.00	66.30	13.00	52.90	438.13	438.14	342.02	96.12
11	2293	96	55	63.80	64.70	13.10	51.00	437.94	438.07	342.12	95.95
12	2296	96	55	71.40	70.90	13.10	57.00	438.07	438.00	342.57	95.43
13	2288	95	55	77.40	77.30	13.20	63.60	438.09	438.08	343.14	94.94
14	2295	96	57	77.50	77.80	13.30	63.90	438.02	438.06	343.24	94.82
15	2272	95	57	77.80	77.80	13.10	63.90	438.02	438.00	343.16	94.84
16	2259	94	57	83.80	83.30	13.10	69.50	438.17	438.14	343.59	94.55
17	2260	94	56	79.90	81.60	13.10	67.80	437.75	437.86	343.36	94.50
18	2258	94	56	75.60	74.70	13.00	61.00	437.95	437.86	342.78	95.08
19	2261	94	56	70.40	70.50	12.90	56.90	437.93	437.96	342.27	95.69
20	2262	94	56	68.40	69.60	12.90	55.90	437.63	437.85	342.24	95.61
21	2259	94	55	71.70	69.80	13.00	56.00	438.10	437.67	342.28	95.39
22	2251	94	59	77.00	77.40	12.90	63.90	438.01	438.12	343.00	95.12
23	2252	94	57	92.70	93.30	13.10	79.20	437.85	438.08	344.25	93.83
24	2255	94	56	93.60	93.10	13.20	79.30	437.99	437.82	344.26	93.56
25				90.10	89.30	13.10	75.60	438.19	438.20	344.05	94.15
26				80.90	82.10	13.50	67.80	437.91	437.90	343.39	94.51
27				80.50	81.00	13.00	67.40	437.81	437.83	343.32	94.51
28				75.90	76.10	12.90	62.50	437.76	437.83	342.69	95.14
29				74.90	75.60	12.90	62.00	437.60	437.72	342.63	95.09
30				73.40	73.10	12.90	59.50	437.66	437.72	342.51	95.21

TOT	68621		1354
AVG	2859	119	56	74.73	74.91	15.81	58.43	437.96	437.98	342.86	95.11

MAX	9268			93.60	93.30	54.20	79.30	438.51	438.31	344.26	96.41
MIN	2251			62.40	62.20	12.90	17.50	437.60	437.67	341.53	93.56