Peakflow Forecasts Header

KOOTENAI--LIBBY DAM
   State:  Montana    County:  LINCOLN
   Latitude:  48 28' 0" North    Longitude:  115 19' 0" West
   Elevation:  2459 feet
   Supporting WFO:  Missoula    
   Inflow Data  

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.

KOOTENAI--LIBBY DAM INFLOW   (LYDM8)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-12
Forecast Period: July 12 to November 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 11207 2025-07-16
90 % 11207 2025-07-16
70 % 11207 2025-07-16
50 % 11207 2025-07-16
30 % 11990 2025-07-29
10 % 17518 2025-10-20
05 % 22726 2025-10-27

Peakflow exceedence plot for LYDM8

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