La Grande Basin
Station: en amont de la Riviere De Pontois


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): en amont de la Riviere De Pontois (4214750) Basin Name: La Grande
River Name: Grande Riviere Next Downstream Station:en aval de la Riviere Acazi (4214770)
GRDC Country Code: CN Distance to Next Downstream Station: 263 km
Start Year [Month]: 1966 [1] Upstream Station(s): None
End Year [Month]: 1979 [12]
Mean Discharge: 759 m3/s
Minimum Discharge: 141 m3/s
Maximum Discharge: 2100 m3/s Length of Upstream Mainstem: 326 km
Mean Interstation Discharge: 759 m3/s Distance to Basin Outlet: 329 km
GRDC Catchment Area: 37000 km2 STN Catchment Area: 38341 km2
GRDC Interstation Area: 37000 km2 STN Interstation Area: 38341 km2
GRDC Station Runoff: 647 mm/yr STN Station Runoff: 624 mm/yr
GRDC Interstation Runoff: 647 mm/yr STN Interstation Runoff: 624 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 378.0 263.0 620.0
Feb 274.7 203.0 453.0
Mar 216.3 155.0 331.0
Apr 207.4 141.0 282.0
May 904.1 422.0 1870.0
Jun 1570.9 750.0 2100.0
Jul 1143.6 847.0 1520.0
Aug 1024.2 592.0 1680.0
Sep 960.7 555.0 1520.0
Oct 970.9 510.0 1350.0
Nov 829.4 432.0 1310.0
Dec 624.6 360.0 1060.0