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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the Okanogan River at Malott are issued routinely year-round.
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Upstream Gauge - near Tonasket Upstream Gauge
Zoom Level:13
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 0

Historic Crests
(1) 22.16 ft on 06/03/1972
(2) 18.06 ft on 06/19/1974
(3) 17.38 ft on 05/19/1997
(4) 16.48 ft on 05/24/1991
(5) 15.78 ft on 06/02/1986
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.25 ft on 06/02/2017
(2) 13.21 ft on 04/25/2016
(3) 8.56 ft on 05/25/2015
(4) 13.28 ft on 05/26/2014
(5) 15.18 ft on 05/15/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.03 ft on 09/04/1970
(2) 2.03 ft on 09/01/1988
Show More Low Water Records
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
600 Minimum base flow for August 15 at this river gage, which is the lowest base flow of the year. The affected stream reach is from the confluence with Wells Pool to confluence of Chewiliken Creek. Water-rights junior to the base flows established in the rule may be restricted if streamflow drops below this value. For more information on this and the minimum base flows for other times in the year and for other reaches, refer to Washington Administrative Code (WAC) Chapter 173-549.

Other Real-time and/or Archive Data Sources:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Spokane, WA 99224
(509) 244-0110
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Page last modified: 6-Nov-2019 2:38 PM
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