Peakflow Forecasts Header

CLEARWATER--AT OROFINO
   State:  Idaho    County:  CLEARWATER
   Latitude:  46 28' 42" North    Longitude:  116 15' 23" West
   Elevation:  991 feet
   Supporting WFO:  Missoula    
   Action Stage:  16'   Flood Stage:  17'   Moderate Flood Stage:  18.5'
   Major Flood Stage:  20'

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 OROFINO   (ORFI1)
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 % 9.77 24615 2025-12-12
90 % 9.77 24615 2025-12-12
70 % 9.77 24615 2025-12-12
50 % 9.77 24615 2025-12-12
30 % 9.77 24615 2025-12-12
10 % 10.85 30463 2026-03-07
05 % 13.34 46198 2026-03-18

Peakflow exceedence plot for ORFI1

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