GREYS − AB RES NR ALPINE (GREW4)
   State:  Wyoming
   County:  Lincoln
   Latitude:  43 8' 34" North
   Longitude:  110 58' 36" West
   Elevation:  5720 ft

   Supporting NWS Forecast Office: WFO Riverton

   
Click for NWS Official River Forecasts for GREW4
   

Daily Historical Statistics for February 14, 2026
Mean Stage: 1.25 ft  Mean Flow: 203 cfs
Max Stage: 1.81 ft  Max Flow: 480 cfs (2017)
Min Stage:  1.04 ft   Min Flow: 130 cfs (2002)

Statistics based on water years: 1938-2025
* statistics estimated based on current rating

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for GREW4

Data Used In Plot   "label   USBR Observations