Peakflow Forecasts Header

SNAKE--BROWNLEE DAM
   State:  Idaho    County:  ADAMS
   Latitude:  44 50' 10" North    Longitude:  116 53' 54" West
   Elevation:  1844 feet
   Supporting WFO:  Boise    
   Inflow Data  

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.

SNAKE--BROWNLEE DAM   (BRNI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 15176 2025-10-18
90 % 15500 2025-10-19
70 % 15812 2025-10-24
50 % 16786 2025-10-29
30 % 17626 2025-10-31
10 % 24957 2025-11-01
05 % 30110 2025-11-01

Peakflow exceedence plot for BRNI1

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