Noname (GHAASBasin49) Basin
Station: Riao


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Riao (1335014) Basin Name: Noname (GHAASBasin49)
River Name: Benoue Next Downstream Station:Bagara Diffa (1237500)
GRDC Country Code: CM Distance to Next Downstream Station: 294 km
Start Year [Month]: 1950 [7] Upstream Station(s): None
End Year [Month]: 1980 [11]
Mean Discharge: 249 m3/s
Minimum Discharge: 0 m3/s
Maximum Discharge: 2162 m3/s Length of Upstream Mainstem: 320 km
Mean Interstation Discharge: 249 m3/s Distance to Basin Outlet: 725 km
GRDC Catchment Area: 30650 km2 STN Catchment Area: 32888 km2
GRDC Interstation Area: 30650 km2 STN Interstation Area: 32888 km2
GRDC Station Runoff: 256 mm/yr STN Station Runoff: 239 mm/yr
GRDC Interstation Runoff: 256 mm/yr STN Interstation Runoff: 239 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 7.6 1.0 25.0
Feb 3.6 0.0 12.0
Mar 1.7 0.0 6.0
Apr 0.8 0.0 4.0
May 5.0 0.0 16.0
Jun 33.4 5.0 113.0
Jul 222.3 82.0 477.0
Aug 836.5 327.0 1380.0
Sep 1267.5 328.0 2162.0
Oct 505.5 147.0 1148.0
Nov 81.5 26.0 161.0
Dec 24.1 6.0 63.0