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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: 2025-11-15
 Forecast Period: November 15 to March 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 1.24 12 2025-12-10
90 % 1.32 14 2026-01-14
70 % 2.63 182 2026-02-09
50 % 3.13 310 2026-02-19
30 % 3.56 448 2026-02-23
10 % 4.64 890 2026-02-27
05 % 5.03 1082 2026-03-01

Peakflow exceedence plot for PULW1

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