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SIMILKAMEEN--NEAR NIGHTHAWK
   State:  Washington    County:  OKANOGAN
   Latitude:  48 59' 4" North    Longitude:  119 37' 9" West
   Elevation:  1138 feet
   Supporting WFO:  Spokane    
   Action Stage:  13'   Flood Stage:  14'   Moderate Flood Stage:  15'
   Major Flood Stage:  16'

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

SIMILKAMEEN--NEAR NIGHTHAWK   (NITW1)
Forecasts for Water Year 2024
Ensemble Date: 2024-04-25
 Forecast Period: April 25 to August 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 7.66 6608 2024-05-10
90 % 7.98 7243 2024-05-11
70 % 8.35 7993 2024-05-17
50 % 8.91 9235 2024-05-20
30 % 9.28 10091 2024-05-25
10 % 10.26 12539 2024-06-02
05 % 10.43 12981 2024-06-08

Peakflow exceedence plot for NITW1

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon