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Wettest June on record for Toronto

Streets flooded in Toronto Sunday
Streets flooded in Toronto Sunday

Andrea Stockton, staff writer

June 29, 2010 — Recent rainstorms that have hit Toronto have helped to put the city on top for record rainfall amounts.

Rainfall records for Toronto
Rainfall records for Toronto

It's been a wet start to the summer for areas across southern Ontario. For the city of Toronto in particular, the rain has helped the city break some pretty historic records.

And you can thank the intense rainstorm that hit this past Sunday for its contributions. At one point, Environment Canada issued a severe thunderstorm warning for the Greater Toronto Area. In only one hour, 44mm of rain was recorded at Pearson International Airport.

That was enough rain to shut down the Union Station subway line as well as the Don Valley Parkway. Much of Bayview Avenue and Lakeshore Boulevard were under water for several hours as well.

Thunderstorm clouds across Toronto
Thunderstorm clouds across Toronto

A total of 53.2mm of rain fell at Pearson after the system was through, smashing a one day rainfall record of 20.6mm set back in 1957.

This impressive amount also helped to boost the total monthly rainfall to 191.6mm. The last time the city has seen record amounts of rain for the month of June was exactly a decade ago with just over 169mm in June 2000.

As the month comes to an end though, so does the active weather. The system that brought the stormy conditions has moved east leaving the area cooler, but much more stable.

“The city will be about five degrees below seasonal for the next few days as the cold front sweeps through and eliminates the humidity,” says The Weather Network's meteorologist Rob Davis.

If you love the heat, you won't have to wait long for its return. “The area will begin to warm up again as early as Friday, with a hot and dry weekend in store,” explains Davis.

For local weather forecasts in your area, click our Ontario Cities Index. You can also get information on the weather in your area by tuning into The Weather Network on TV. The Regional Forecast comes up at the top and bottom of each hour.

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