Cornwall : St Lawrence River

Ontario, Canada

Observed by
Arth Shah
Chlorine ppm What's this? 0.5
Hardness mg/L What's this? 200.0
Alkalinity mg/L What's this? 120.0
Air temperature °C What's this? 23.5
Water temperature °C What's this? 20.0

Weather

Current weather What's this?
  • cloudy
Weather in previous 24 hours What's this?
  • sunny

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