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SF PALOUSE--AT PULLMAN
   State:  Washington    County:  WHITMAN
   Latitude:  46 43' 57" North    Longitude:  117 10' 48" West
   Elevation:  2326 feet
   Supporting WFO:  Spokane    
   Action Stage:  5.5'   Flood Stage:  7'   Moderate Flood Stage:  8'
   Major Flood Stage:  9'

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.

SF PALOUSE--AT PULLMAN   (PULW1)
Forecasts for Water Year 2026
Ensemble Date: 2026-08-16
 Forecast Period: August 16 to December 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 1.30 14 2026-09-13
90 % 1.34 15 2026-09-25
70 % 1.44 18 2026-11-04
50 % 1.53 21 2026-11-12
30 % 1.59 23 2026-11-22
10 % 1.79 36 2026-11-27
05 % 2.06 70 2026-11-29

Peakflow exceedence plot for PULW1

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