Peakflow Forecasts Header

KETTLE--AT LAURIER
   State:  Washington    County:  FERRY
   Latitude:  48 59' 3" North    Longitude:  118 12' 55" West
   Elevation:  1426 feet
   Supporting WFO:  Spokane    

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.

KETTLE--AT LAURIER   (LAUW1)
Forecasts for Water Year
2026
Ensemble Date: 2026-02-06
Forecast Period: February 6 to June 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 7.90 7121 2026-04-07
90 % 8.14 7654 2026-04-22
70 % 9.79 11797 2026-05-01
50 % 10.37 13426 2026-05-10
30 % 11.21 15943 2026-05-22
10 % 12.79 21129 2026-05-29
05 % 13.15 22400 2026-05-31

Peakflow exceedence plot for LAUW1

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