Niger Basin
Station: Ouaran


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Ouaran (1634600) Basin Name: Niger
River Name: Tinkisso Next Downstream Station:Tiguibery (1634650)
GRDC Country Code: GN Distance to Next Downstream Station: 132 km
Start Year [Month]: 1954 [6] Upstream Station(s): None
End Year [Month]: 1978 [12]
Mean Discharge: 181 m3/s
Minimum Discharge: 1 m3/s
Maximum Discharge: 1150 m3/s Length of Upstream Mainstem: 242 km
Mean Interstation Discharge: 181 m3/s Distance to Basin Outlet: 3189 km
GRDC Catchment Area: 18700 km2 STN Catchment Area: 12133 km2
GRDC Interstation Area: 18700 km2 STN Interstation Area: 12133 km2
GRDC Station Runoff: 306 mm/yr STN Station Runoff: 472 mm/yr
GRDC Interstation Runoff: 306 mm/yr STN Interstation Runoff: 472 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 60.5 21.0 105.0
Feb 31.8 9.0 69.0
Mar 13.2 2.0 33.0
Apr 11.4 1.0 43.0
May 13.0 2.0 36.0
Jun 35.6 13.0 72.0
Jul 97.3 35.0 193.0
Aug 378.0 129.0 658.0
Sep 623.1 243.0 1150.0
Oct 557.8 208.0 1014.0
Nov 259.8 86.0 697.0
Dec 95.9 22.0 169.0