Ice Harbor Dam

May 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	2259	94	54	70.00	69.80	13.00	56.20	437.72	437.70	342.17	95.53
2	2239	93	53	70.60	68.70	12.80	55.10	438.19	437.87	342.14	95.73
3	2237	93	54	62.40	62.60	12.70	49.20	438.13	438.09	341.59	96.50
4	2238	93	55	69.00	69.90	12.80	56.40	437.91	438.00	342.17	95.83
5	2259	94	54	75.50	75.70	13.00	61.90	437.88	437.98	342.70	95.28
6	2265	94	55	77.40	75.90	13.00	62.20	438.25	438.10	342.74	95.36
7	2266	94	54	80.70	81.70	13.10	67.90	438.04	438.16	343.38	94.78
8	2247	94	54	86.70	85.70	13.00	72.00	438.26	438.03	343.70	94.33
9	2250	94	54	90.40	91.80	13.10	78.10	437.92	438.06	344.13	93.93
10	2248	94	54	87.10	87.10	13.10	73.40	437.91	437.92	343.87	94.05
11	2253	94	54	88.10	88.30	13.10	74.60	437.87	437.94	343.90	94.04
12	2250	94	54	89.50	88.80	13.10	75.00	438.01	437.90	343.94	93.96
13	2243	93	54	93.90	93.40	13.10	79.70	438.12	437.99	344.34	93.65
14	2241	93	54	101.70	102.60	13.20	88.80	437.91	438.04	345.00	93.04
15				98.20	96.70	13.20	82.90	438.28	438.07	344.49	93.58
16				87.50	88.00	13.50	73.80	438.14	438.15	343.78	94.37
17				84.10	84.60	13.60	70.40	438.03	438.06	343.49	94.57
18				77.60	77.50	13.50	63.30	438.05	438.08	342.87	95.21
19				68.00	69.00	13.40	54.90	437.81	437.93	342.30	95.63
20				60.10	59.90	13.50	45.70	437.86	437.71	341.62	96.09
21				59.80	60.10	12.80	46.40	437.80	438.05	341.64	96.41
22
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26
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31

TOT	31495		756
AVG	2250	94	54	79.92	79.90	13.12	66.09	438.00	437.99	343.14	94.85

MAX	2266			101.70	102.60	13.60	88.80	438.28	438.16	345.00	96.50
MIN	2237			59.80	59.90	12.70	45.70	437.72	437.70	341.59	93.04