Peakflow Forecasts Header

LITTLE SPOKANE--AT DARTFORD
   State:  Washington    County:  SPOKANE
   Latitude:  47 47' 5" North    Longitude:  117 24' 12" West
   Elevation:  1590 feet
   Supporting WFO:  Spokane    
   Action Stage:  5.5'   Flood Stage:  6.5'   Moderate Flood Stage:  7.5'
   Major Flood Stage:  8.5'

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.

LITTLE SPOKANE--AT DARTFORD   (LSDW1)
Forecasts for Water Year 2026
Ensemble Date: 2025-12-06
 Forecast Period: December 6 to April 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 3.54 405 2025-12-11
90 % 3.67 448 2025-12-15
70 % 4.58 796 2026-02-21
50 % 5.14 1098 2026-03-10
30 % 5.41 1294 2026-03-19
10 % 6.05 1832 2026-03-25
05 % 6.40 2176 2026-03-31

Peakflow exceedence plot for LSDW1

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