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Coppermine River in Northwest Territories

River62.1 mi
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Around Coppermine River

20 mi

About this river

Coppermine River is a 62.1 mile river. Streamflow is measured at the Water Survey of Canada gauge Coppermine River above Copper Creek (site 10PC004). Reach geometry comes from Natural Resources Canada's National Hydro Network.

Typical flow by month

1987 to 2023

Coppermine River typically runs highest in June, at a median 23,899 cfs, and lowest in April, at 2,366 cfs. The highest flow on record for any single day is 77,692 cfs, in 2001.

Show the numbers
Typical flow by month at Coppermine River above Copper Creek, in cfs
MonthTypical (cfs)Usual range (cfs)
January3,7083,180 to 4,556
February3,0192,574 to 3,551
March2,6402,186 to 3,008
April2,3661,949 to 2,661
May2,4311,968 to 3,005
June23,89916,081 to 33,642
July15,22111,936 to 18,964
August12,46611,001 to 15,221
September11,7779,663 to 14,784
October8,5817,240 to 11,177
November6,1545,328 to 8,246
December4,7324,061 to 6,198

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 35 years of record. Statistics published by the US Geological Survey for Coppermine River above Copper Creek (site 10PC004). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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