Orange Basin
Station: de Hoop 65


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): de Hoop 65 (1159500) Basin Name: Orange
River Name: Vaal Next Downstream Station:Upington (1159300)
GRDC Country Code: ZA Distance to Next Downstream Station: 522 km
Start Year [Month]: 1968 [8] Upstream Station(s): Engelbrechtsdrift (1159800)
End Year [Month]: 1986 [9]
Mean Discharge: 33 m3/s
Minimum Discharge: 0 m3/s
Maximum Discharge: 608 m3/s Length of Upstream Mainstem: 753 km
Mean Interstation Discharge: -6 m3/s Distance to Basin Outlet: 1136 km
GRDC Catchment Area: 121052 km2 STN Catchment Area: 123447 km2
GRDC Interstation Area: 82488 km2 STN Interstation Area: 76706 km2
GRDC Station Runoff: 8 mm/yr STN Station Runoff: 8 mm/yr
GRDC Interstation Runoff: -2 mm/yr STN Interstation Runoff: -3 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 75.9 1.0 557.0
Feb 124.5 2.0 608.0
Mar 64.9 1.0 403.0
Apr 33.1 0.0 247.0
May 17.2 1.0 197.0
Jun 4.0 0.0 23.0
Jul 2.9 1.0 6.0
Aug 2.8 1.0 5.0
Sep 4.7 0.0 13.0
Oct 14.3 0.0 155.0
Nov 6.3 1.0 11.0
Dec 40.6 0.0 300.0