Peakflow Forecasts Header

CLEARWATER--AT SPALDING
   State:  Idaho    County:  NEZ PERCE
   Latitude:  46 26' 54" North    Longitude:  116 49' 32" West
   Elevation:  770 feet
   Supporting WFO:  Spokane    
   Action Stage:  17'   Flood Stage:  18'   Moderate Flood Stage:  19'
   Major Flood Stage:  19.4'

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.

CLEARWATER--AT SPALDING   (SPDI1)
Forecasts for Water Year 2025
Ensemble Date: 2025-07-04
 Forecast Period: July 4 to November 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.31 13385 2025-07-07
90 % 6.31 13385 2025-07-07
70 % 6.31 13385 2025-07-07
50 % 6.31 13385 2025-07-07
30 % 6.31 13385 2025-07-07
10 % 6.31 13385 2025-07-07
05 % 6.75 15409 2025-09-12

Peakflow exceedence plot for SPDI1

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