OKANOGAN − NEAR TONASKET (TONW1)
   State:  Washington
   County:  Okanogan
   Latitude:  48 37' 57" North
   Longitude:  119 27' 28" West
   Elevation:  861 ft

   Supporting NWS Forecast Office: WFO Spokane

   
Click for NWS Official River Forecasts for TONW1

   Action Stage:  
14 ft
   Flood Stage:  
15 ft
   Moderate Flood Stage:  
17 ft
   Major Flood Stage:  
18 ft
Daily Historical Statistics for March 28, 2023
Mean Stage: 5.63 ft  Mean Flow: 1610 cfs
Max Stage: 9.15 ft  Max Flow: 6070 cfs (2007)
Min Stage:  3.97 ft   Min Flow: 489 cfs (1930)

Statistics based on water years: 1930-2021
* statistics estimated based on current rating

Record Stage: 
22.54 ft
Record Flow: 
44700 cfs
Date of Record: 
June 2, 1972

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for TONW1


For Data Used In Plot   "label


Hydrograph plot for TONW1


For Data Used In Plot   "label