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
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 1.59 301 2021-12-08
90 % 1.59 301 2021-12-08
70 % 1.78 380 2022-03-11
50 % 2.04 512 2022-03-19
30 % 2.21 616 2022-03-26
10 % 2.88 1123 2022-03-31
05 % 3.01 1249 2022-04-01

Peakflow exceedence plot for DARM8

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