River Information and Forecasts Header
CLARK FORK--AT ST REGIS (SRGM8)
   State:  Montana    County:  MINERAL
   Latitude:  47 18' 6" North    Longitude:  115 5' 11" West
   Elevation:  2600 feet
   Supporting WFO:  Missoula    NWS Official River Forecasts Click Here
   Action Stage:  18'   Flood Stage:  19'
   Moderate Flood Stage:  21'
   Major Flood Stage:  22'

   Record Stage:  20.27'  Record Flow:  68900 cfs
   Date of Record:  May 18, 1997
Daily Historical Flow Statistics
for September 13

Mean Stage: 5.41 ft  Mean Flow: 2850 cfs
Max Stage: 6.70 ft  Max Flow: 5120 cfs (1965)
Min Stage:  4.28 ft   Min Flow: 1420 cfs (1940)

Statistics based on water years: 1930-2020
The 4-10 Day Trend Forecast is based on model guidance only. Daily variation and uncertainty of forecasts during this period is high.

Hydrograph plot for SRGM8

For Data Used In Plot   "label