Columbia Basin
Station: near Copeland


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): near Copeland (4215320) Basin Name: Columbia
River Name: Kootenai Next Downstream Station:Birchbank (4215200)
GRDC Country Code: CN Distance to Next Downstream Station: 224 km
Start Year [Month]: 1929 [5] Upstream Station(s): Wardner (4215705)
End Year [Month]: 1984 [12]
Mean Discharge: 455 m3/s
Minimum Discharge: 58 m3/s
Maximum Discharge: 4980 m3/s Length of Upstream Mainstem: 535 km
Mean Interstation Discharge: 247 m3/s Distance to Basin Outlet: 1323 km
GRDC Catchment Area: 34700 km2 STN Catchment Area: 38047 km2
GRDC Interstation Area: 21100 km2 STN Interstation Area: 22359 km2
GRDC Station Runoff: 414 mm/yr STN Station Runoff: 377 mm/yr
GRDC Interstation Runoff: 369 mm/yr STN Interstation Runoff: 348 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 239.6 58.0 950.0
Feb 201.1 61.0 673.0
Mar 194.1 83.0 453.0
Apr 457.6 152.0 1310.0
May 1100.5 296.0 1870.0
Jun 1214.0 176.0 2370.0
Jul 631.8 138.0 1470.0
Aug 300.1 115.0 557.0
Sep 231.3 139.0 583.0
Oct 250.7 105.0 912.0
Nov 336.9 81.0 4980.0
Dec 305.6 79.0 3710.0