Orange Basin
Station: Upington


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Upington (1159300) Basin Name: Orange
River Name: Oranje Next Downstream Station:Vioolsdrif (1159100)
GRDC Country Code: ZA Distance to Next Downstream Station: 417 km
Start Year [Month]: 1974 [7] Upstream Station(s): de Hoop 65 (1159500)
Aliwal Noord (1159650)
Seaka (1259150)
End Year [Month]: 1986 [9]
Mean Discharge: 220 m3/s
Minimum Discharge: 54 m3/s
Maximum Discharge: 2830 m3/s Length of Upstream Mainstem: 1300 km
Mean Interstation Discharge: -76 m3/s Distance to Basin Outlet: 614 km
GRDC Catchment Area: 36456 km2 STN Catchment Area: 352345 km2
GRDC Interstation Area: -141546 km2 STN Interstation Area: 180606 km2
GRDC Station Runoff: 190 mm/yr STN Station Runoff: 20 mm/yr
GRDC Interstation Runoff: 17 mm/yr STN Interstation Runoff: -13 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 243.1 77.0 1108.0
Feb 521.6 69.0 2830.0
Mar 427.1 63.0 2424.0
Apr 262.0 73.0 1344.0
May 206.4 56.0 907.0
Jun 136.9 73.0 447.0
Jul 119.0 58.0 227.0
Aug 123.6 54.0 333.0
Sep 112.2 60.0 281.0
Oct 129.2 60.0 230.0
Nov 166.2 75.0 474.0
Dec 187.4 77.0 523.0