Columbia Basin
Station: Clarkston, Wash.


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Clarkston, Wash. (4116180) Basin Name: Columbia
River Name: Snake River Next Downstream Station:The Dalles, Oreg. (4115200)
GRDC Country Code: US Distance to Next Downstream Station: 290 km
Start Year [Month]: 1915 [10] Upstream Station(s): None
End Year [Month]: 1972 [12]
Mean Discharge: 1415 m3/s
Minimum Discharge: 311 m3/s
Maximum Discharge: 5889 m3/s Length of Upstream Mainstem: 1253 km
Mean Interstation Discharge: 1415 m3/s Distance to Basin Outlet: 589 km
GRDC Catchment Area: 267300 km2 STN Catchment Area: 270819 km2
GRDC Interstation Area: 267300 km2 STN Interstation Area: 270819 km2
GRDC Station Runoff: 167 mm/yr STN Station Runoff: 165 mm/yr
GRDC Interstation Runoff: 167 mm/yr STN Interstation Runoff: 165 mm/yr
Station Field DescriptionsBasin Field Descriptions


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Site Descriptor Information Station Time Series Data


Hydrograph Station Data
Extreme Values Over Period Of Record
Month MeanQ
m3/s
MinQ
m3/s
MaxQ
m3/s
Jan 912.3 423.0 1956.0
Feb 1051.9 508.0 2611.0
Mar 1363.3 660.0 3540.0
Apr 2290.8 566.0 4564.0
May 3549.7 1976.0 5889.0
Jun 3191.8 897.0 5691.0
Jul 1142.9 413.0 2658.0
Aug 560.1 311.0 904.0
Sep 558.8 331.0 860.0
Oct 681.1 413.0 1328.0
Nov 784.8 481.0 1662.0
Dec 889.5 460.0 1799.0