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
2024
Ensemble Date: 2024-04-24
Forecast Period: April 24 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 10.47 37323 2024-05-05
90 % 10.69 38931 2024-05-07
70 % 11.32 43587 2024-05-13
50 % 11.50 44958 2024-05-19
30 % 11.98 48679 2024-05-24
10 % 13.58 62262 2024-06-01
05 % 15.03 75868 2024-06-12

Peakflow exceedence plot for SPDI1

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