Negro Arg Basin
Station: Primera Angostura


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Primera Angostura (3275990) Basin Name: Negro Arg
River Name: Negro Next Downstream Station:None
GRDC Country Code: AG Distance to Next Downstream Station: N.A.
Start Year [Month]: 1927 [4] Upstream Station(s): Paso de los Indios (3275800)
End Year [Month]: 1980 [3]
Mean Discharge: 870 m3/s
Minimum Discharge: 90 m3/s
Maximum Discharge: 2892 m3/s Length of Upstream Mainstem: 930 km
Mean Interstation Discharge: 558 m3/s Distance to Basin Outlet: 224 km
GRDC Catchment Area: 95000 km2 STN Catchment Area: 185798 km2
GRDC Interstation Area: 64800 km2 STN Interstation Area: 156551 km2
GRDC Station Runoff: 289 mm/yr STN Station Runoff: 148 mm/yr
GRDC Interstation Runoff: 272 mm/yr STN Interstation Runoff: 112 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 721.1 188.0 1384.0
Feb 438.6 141.0 858.0
Mar 339.1 90.0 1000.0
Apr 305.7 99.0 740.0
May 519.5 146.0 1345.0
Jun 994.2 262.0 2892.0
Jul 1109.8 241.0 2130.0
Aug 1172.0 239.0 2597.0
Sep 1065.8 386.0 1784.0
Oct 1218.7 343.0 2019.0
Nov 1393.1 396.0 2219.0
Dec 1164.2 392.0 2304.0