US Army Corps of Engineers

Grand Coulee Dam

Saturday October 17, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	43.90	43.90	0.00	1286.70	954.80	331.90
2	41.80	41.80	0.00	1286.80	954.60	332.20
3	39.00	39.00	0.00	1286.80	954.50	332.30
4	36.50	36.50	0.00	1286.80	954.10	332.70
5	36.80	36.80	0.00	1286.80	954.30	332.50
6	37.60	37.60	0.00	1286.80	954.50	332.30
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AVG	39.27	39.27	0.00	1286.78	954.47	332.32

MAX	43.90	43.90	0.00	1286.80	954.80	332.70
MIN	36.50	36.50	0.00	1286.70	954.10	331.90