St. Lawrence Basin
Station: Chats Falls


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Chats Falls (4243100) Basin Name: St. Lawrence
River Name: Ottawa Next Downstream Station:None
GRDC Country Code: CN Distance to Next Downstream Station: N.A.
Start Year [Month]: 1914 [4] Upstream Station(s): la Cave Rapids (4243050)
End Year [Month]: 1984 [12]
Mean Discharge: 1165 m3/s
Minimum Discharge: 117 m3/s
Maximum Discharge: 4980 m3/s Length of Upstream Mainstem: 793 km
Mean Interstation Discharge: 469 m3/s Distance to Basin Outlet: 977 km
GRDC Catchment Area: 89600 km2 STN Catchment Area: 88772 km2
GRDC Interstation Area: 41700 km2 STN Interstation Area: 40750 km2
GRDC Station Runoff: 410 mm/yr STN Station Runoff: 414 mm/yr
GRDC Interstation Runoff: 355 mm/yr STN Interstation Runoff: 363 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 867.3 317.0 1540.0
Feb 822.4 117.0 1420.0
Mar 973.8 314.0 1980.0
Apr 1963.4 824.0 3880.0
May 2424.8 971.0 4980.0
Jun 1626.3 662.0 4410.0
Jul 1067.8 515.0 2460.0
Aug 743.2 391.0 1500.0
Sep 687.8 297.0 1670.0
Oct 871.4 255.0 4100.0
Nov 974.1 266.0 2680.0
Dec 960.7 325.0 2580.0