COLUMBIA − ROCKY REACH DAM
(
RRHW1
)
State:
Washington
County:
Chelan
Latitude:
47 31' 27" North
Longitude:
120 18' 3" West
Elevation:
703 ft
Supporting NWS Forecast Office:
WFO Spokane
Click for NWS Official River Forecasts for RRHW1
Daily Historical Statistics for September 24, 2023
Mean Flow:
73700 cfs
Max Flow:
131000 cfs (1997)
Min Flow:
39000 cfs (2006)
Statistics based on water years:
1961-2021
* statistics estimated based on current rating
The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.
For Data Used In Plot
For Data Used In Plot
For Data Used In Plot
For Data Used In Plot
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RRHW1