Peakflow Forecasts Header

LITTLE SALMON--AT RIGGINS
   State:  Idaho    County:  IDAHO
   Latitude:  45 24' 47" North    Longitude:  116 19' 28" West
   Elevation:  1760 feet
   Supporting WFO:  Missoula    
   Action Stage:  9'   Flood Stage:  10'

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.

LITTLE SALMON--AT RIGGINS   (RIGI1)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.14 2496 2024-05-17
90 % 6.43 2794 2024-05-18
70 % 7.00 3425 2024-05-24
50 % 7.23 3701 2024-06-01
30 % 7.52 4067 2024-06-05
10 % 8.69 5703 2024-06-12
05 % 10.03 7898 2024-06-13

Peakflow exceedence plot for RIGI1

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