Peakflow Forecasts Header

SF PAYETTE--AT LOWMAN
   State:  Idaho    County:  BOISE
   Latitude:  44 5' 7" North    Longitude:  115 37' 15" West
   Elevation:  3790 feet
   Supporting WFO:  Boise    
   Action Stage:  7'   Flood Stage:  7.5'   Moderate Flood Stage:  8'
   Major Flood Stage:  
9'

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.

SF PAYETTE--AT LOWMAN   (PRLI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-05
Forecast Period: July 5 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.13 995 2025-07-05
90 % 4.13 995 2025-07-05
70 % 4.13 995 2025-07-05
50 % 4.13 995 2025-07-05
30 % 4.13 995 2025-07-05
10 % 4.13 995 2025-07-05
05 % 4.13 995 2025-07-05

Peakflow exceedence plot for PRLI1

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