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Thessalon River in Ontario

River52.2 mi
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Around here

Around Thessalon River

Old Mill Beach5.5 mi5 mi

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Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada · Public land: USGS PAD-US

About this river

Thessalon River is a 52.2 mile river. Streamflow is measured at the Water Survey of Canada gauge Thessalon River near Poplar Dale (site 02CA007). Reach geometry comes from Natural Resources Canada's National Hydro Network.

Typical flow by month

2007 to 2025

Thessalon River typically runs highest in April, at a median 415 cfs, and lowest in August, at 32 cfs. The highest flow on record for any single day is 2,698 cfs, in 2013.

Show the numbers
Typical flow by month at Thessalon River near Poplar Dale, in cfs
MonthTypical (cfs)Usual range (cfs)
January7770 to 98
February5343 to 66
March5843 to 118
April415218 to 686
May187110 to 282
June7557 to 110
July4430 to 73
August3221 to 51
September4525 to 74
October9853 to 255
November154114 to 217
December119104 to 153

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 19 years of record. Statistics published by the US Geological Survey for Thessalon River near Poplar Dale (site 02CA007). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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