Niger Basin
Station: Olama


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Olama (1339017) Basin Name: Niger
River Name: Nyong Next Downstream Station:None
GRDC Country Code: CM Distance to Next Downstream Station: N.A.
Start Year [Month]: 1964 [12] Upstream Station(s): Couberi (1734600)
End Year [Month]: 1977 [3]
Mean Discharge: 227 m3/s
Minimum Discharge: 27 m3/s
Maximum Discharge: 695 m3/s Length of Upstream Mainstem: 243 km
Mean Interstation Discharge: 196 m3/s Distance to Basin Outlet: 1088 km
GRDC Catchment Area: 18510 km2 STN Catchment Area: 21248 km2
GRDC Interstation Area: 5100 km2 STN Interstation Area: 12137 km2
GRDC Station Runoff: 386 mm/yr STN Station Runoff: 337 mm/yr
GRDC Interstation Runoff: 1212 mm/yr STN Interstation Runoff: 509 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 132.6 91.0 180.0
Feb 72.2 35.0 139.0
Mar 86.2 27.0 203.0
Apr 137.8 77.0 208.0
May 213.0 120.0 391.0
Jun 239.8 137.0 400.0
Jul 183.1 98.0 410.0
Aug 151.9 69.0 262.0
Sep 241.7 116.0 439.0
Oct 465.7 337.0 591.0
Nov 509.8 387.0 695.0
Dec 288.4 182.0 428.0