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DESCRIPTION:

Latitude 47°32'00",   Longitude 120°18'00"   NAD27

Chelan County, Washington, Hydrologic Unit 17020010

Drainage area: 87,800 square miles

Datum of gage: 3.64 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2022-09-30	2025-11-24
Daily Data
Gage height, feet	1972-10-01	2025-11-23	3240
Lake or reservoir water surface elevation above NGVD 1929, feet	1975-10-23	2025-11-23	5799
Daily Statistics
Gage height, feet	1972-10-01	2024-12-03	2885
Lake or reservoir water surface elevation above NGVD 1929, feet	1975-10-23	2023-12-11	5086
Monthly Statistics
Gage height, feet	1972-10	2024-12
Lake or reservoir water surface elevation above NGVD 1929, feet	1975-10	2023-12
Annual Statistics
Gage height, feet	1973	2025
Lake or reservoir water surface elevation above NGVD 1929, feet	1976	2024
Peak streamflow	1988-05-16	2016-04-21	29
Water-Year Summary	2022	2024	3
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