Niger Basin
Station: Niamey


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Niamey (1234150) Basin Name: Niger
River Name: Niger Next Downstream Station:Malanville (1734500)
GRDC Country Code: NR Distance to Next Downstream Station: 233 km
Start Year [Month]: 1929 [1] Upstream Station(s): Ansongo (1134900)
Alcongui (1234080)
End Year [Month]: 1991 [9]
Mean Discharge: 893 m3/s
Minimum Discharge: 2 m3/s
Maximum Discharge: 2285 m3/s Length of Upstream Mainstem: 2134 km
Mean Interstation Discharge: -30 m3/s Distance to Basin Outlet: 1344 km
GRDC Catchment Area: 700000 km2 STN Catchment Area: 791121 km2
GRDC Interstation Area: 89100 km2 STN Interstation Area: 86881 km2
GRDC Station Runoff: 40 mm/yr STN Station Runoff: 36 mm/yr
GRDC Interstation Runoff: -11 mm/yr STN Interstation Runoff: -11 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 1560.3 466.0 2236.0
Feb 1369.2 174.0 2285.0
Mar 994.6 68.0 1980.0
Apr 552.8 17.0 1637.0
May 221.4 7.0 919.0
Jun 81.7 2.0 365.0
Jul 112.3 9.0 488.0
Aug 529.8 41.0 1201.0
Sep 1054.6 304.0 1516.0
Oct 1261.7 983.0 1541.0
Nov 1422.5 1057.0 1741.0
Dec 1556.2 897.0 1904.0