Niger Basin
Station: Malanville


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Malanville (1734500) Basin Name: Niger
River Name: Niger Next Downstream Station:None
GRDC Country Code: BJ Distance to Next Downstream Station: N.A.
Start Year [Month]: 1952 [7] Upstream Station(s): Niamey (1234150)
Diongore amont (1234180)
End Year [Month]: 1992 [12]
Mean Discharge: 1053 m3/s
Minimum Discharge: 18 m3/s
Maximum Discharge: 2726 m3/s Length of Upstream Mainstem: 2367 km
Mean Interstation Discharge: 154 m3/s Distance to Basin Outlet: 1111 km
GRDC Catchment Area: 1000000 km2 STN Catchment Area: 1399238 km2
GRDC Interstation Area: 284650 km2 STN Interstation Area: 590016 km2
GRDC Station Runoff: 33 mm/yr STN Station Runoff: 24 mm/yr
GRDC Interstation Runoff: 17 mm/yr STN Interstation Runoff: 8 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 1660.7 706.0 2140.0
Feb 1401.1 250.0 2171.0
Mar 1310.0 101.0 2176.0
Apr 736.0 30.0 1750.0
May 307.6 23.0 1156.0
Jun 149.3 18.0 464.0
Jul 203.6 78.0 457.0
Aug 788.4 296.0 1505.0
Sep 1559.2 491.0 2726.0
Oct 1575.0 1026.0 2444.0
Nov 1402.9 1090.0 1736.0
Dec 1543.5 1180.0 1786.0