GHAASBasin813 Basin
Station: Alanda


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Alanda (1530100) Basin Name: GHAASBasin813
River Name: Tano Next Downstream Station:None
GRDC Country Code: GH Distance to Next Downstream Station: N.A.
Start Year [Month]: 1965 [1] Upstream Station(s): None
End Year [Month]: 1978 [7]
Mean Discharge: 144 m3/s
Minimum Discharge: 5 m3/s
Maximum Discharge: 462 m3/s Length of Upstream Mainstem: 301 km
Mean Interstation Discharge: 144 m3/s Distance to Basin Outlet: 56 km
GRDC Catchment Area: 15800 km2 STN Catchment Area: 15363 km2
GRDC Interstation Area: 15800 km2 STN Interstation Area: 15363 km2
GRDC Station Runoff: 287 mm/yr STN Station Runoff: 295 mm/yr
GRDC Interstation Runoff: 287 mm/yr STN Interstation Runoff: 295 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 52.5 31.0 67.0
Feb 48.9 5.0 66.0
Mar 62.1 30.0 95.0
Apr 88.9 46.0 166.0
May 128.6 70.0 211.0
Jun 306.9 204.0 462.0
Jul 265.6 44.0 408.0
Aug 147.3 52.0 403.0
Sep 145.1 58.0 400.0
Oct 211.9 86.0 406.0
Nov 183.9 103.0 310.0
Dec 84.1 47.0 172.0