Zaire Basin
Station: Ngbala


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Ngbala (1448050) Basin Name: Zaire
River Name: Dja Next Downstream Station:Ouesso (1448100)
GRDC Country Code: CG Distance to Next Downstream Station: 190 km
Start Year [Month]: 1954 [6] Upstream Station(s): Mbalmayo (1339500)
End Year [Month]: 1978 [11]
Mean Discharge: 420 m3/s
Minimum Discharge: 91 m3/s
Maximum Discharge: 1610 m3/s Length of Upstream Mainstem: 523 km
Mean Interstation Discharge: 271 m3/s Distance to Basin Outlet: 1396 km
GRDC Catchment Area: 38600 km2 STN Catchment Area: 40139 km2
GRDC Interstation Area: 25045 km2 STN Interstation Area: 27794 km2
GRDC Station Runoff: 343 mm/yr STN Station Runoff: 330 mm/yr
GRDC Interstation Runoff: 341 mm/yr STN Interstation Runoff: 307 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 234.3 119.0 320.0
Feb 183.1 91.0 297.0
Mar 221.5 117.0 539.0
Apr 296.4 189.0 449.0
May 407.0 180.0 779.0
Jun 420.8 226.0 648.0
Jul 300.1 117.0 633.0
Aug 254.9 128.0 537.0
Sep 457.0 178.0 788.0
Oct 885.1 409.0 1610.0
Nov 924.1 503.0 1530.0
Dec 456.0 262.0 731.0