Peakflow Forecasts Header

BOISE--NR TWIN SPRINGS
   State:  Idaho    County:  ADA
   Latitude:  43 39' 33" North    Longitude:  115 43' 34" West
   Elevation:  3256 feet
   Supporting WFO:  Boise    

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.

BOISE--NR TWIN SPRINGS   (BTSI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-15
Forecast Period: July 15 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 5.83 536 2025-07-15
90 % 5.83 536 2025-07-15
70 % 5.83 536 2025-07-15
50 % 5.83 536 2025-07-15
30 % 5.83 536 2025-07-15
10 % 7.39 1592 2025-10-24
05 % 8.21 2385 2025-10-30

Peakflow exceedence plot for BTSI1

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