Peakflow Forecasts Header

ST. REGIS--NEAR ST. REGIS
   State:  Montana    County:  MINERAL
   Latitude:  47 17' 48" North    Longitude:  115 7' 18" West
   Elevation:  2645 feet
   Supporting WFO:  Missoula    
   Action Stage:  7.5'   Flood Stage:  8'

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.

ST. REGIS--NEAR ST. REGIS   (STRM8)
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 % 2.62 308 2021-12-08
90 % 2.62 308 2021-12-08
70 % 2.78 380 2022-02-16
50 % 3.20 583 2022-03-19
30 % 3.51 758 2022-03-27
10 % 4.36 1343 2022-04-01
05 % 4.97 1864 2022-04-01

Peakflow exceedence plot for STRM8

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