Peakflow Forecasts Header

BITTERROOT--NEAR DARBY
   State:  Montana    County:  RAVALLI
   Latitude:  45 58' 19" North    Longitude:  114 8' 26" West
   Elevation:  3942 feet
   Supporting WFO:  Missoula    
   Action Stage:  7'   Flood Stage:  7.5'

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.

BITTERROOT--NEAR DARBY   (DARM8)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-24
Forecast Period: April 24 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.43 2796 2024-05-09
90 % 4.55 2959 2024-05-10
70 % 4.90 3452 2024-05-17
50 % 5.05 3668 2024-05-24
30 % 5.22 3926 2024-06-03
10 % 5.75 4754 2024-06-12
05 % 6.27 5615 2024-06-22

Peakflow exceedence plot for DARM8

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