Tana (Ken) Basin
Station: Garissa


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Garissa (1789300) Basin Name: Tana (Ken)
River Name: Tana Next Downstream Station:None
GRDC Country Code: KN Distance to Next Downstream Station: N.A.
Start Year [Month]: 1934 [1] Upstream Station(s): None
End Year [Month]: 1975 [12]
Mean Discharge: 155 m3/s
Minimum Discharge: 13 m3/s
Maximum Discharge: 1864 m3/s Length of Upstream Mainstem: 458 km
Mean Interstation Discharge: 155 m3/s Distance to Basin Outlet: 268 km
GRDC Catchment Area: 42220 km2 STN Catchment Area: 43277 km2
GRDC Interstation Area: 42220 km2 STN Interstation Area: 43277 km2
GRDC Station Runoff: 116 mm/yr STN Station Runoff: 113 mm/yr
GRDC Interstation Runoff: 116 mm/yr STN Interstation Runoff: 113 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 106.5 39.0 396.0
Feb 68.6 16.0 186.0
Mar 76.8 13.0 409.0
Apr 228.7 34.0 945.0
May 364.5 25.0 939.0
Jun 194.0 43.0 464.0
Jul 111.5 35.0 250.0
Aug 86.5 37.0 188.0
Sep 73.7 33.0 146.0
Oct 93.4 29.0 567.0
Nov 249.8 21.0 1864.0
Dec 211.3 57.0 842.0