Whitehorse Daily Star

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Photo by Vince Fedoroff

RAIN A CULPRIT? – A large slide has covered up the train tracks along the Robert Service Way. Natural erosion causes slides in the area occasionally and recent consistent rainfall may have contributed to this large slippage.

Territory making a soggy decline into fall

It's been a record-breaking summer for Whitehorse.

By Max Leighton on August 16, 2011

It's been a record-breaking summer for Whitehorse.

Though we've had a cool snap lately, we take top honours this year for precipitation.

On that subject, we have broken four daily records, three of them in the last month.

"I look at the 90-day temperature trend and we are actually running about a sixth of a degree above normal right now,” Doug Lundquist, a Yukon and Interior Warning Preparedness Meteorologist based in Kelowna, B.C., said this morning.

"It has been quite a bit wetter than normal, though,” he said. "Whitehorse has had about 131 mm of rain in the last 90 days, which is about 38 mm more than we usually see.”

This season's daily rain records were set on June 19, when we received 12.4 mm of rain, July 14, when15.8 mm fell, July19, with 12.6 mm and most recently, with last Thursday's downpour of 21.00 mm.

According to Lundquist, there is little reason for the unseasonably damp conditions.

" It's just a question of natural variability. Some years are just rainier than others,” he said.

"In the winter, we can often pin high precipitation on El Niño or La Niña but this summer it was just a series of regular frontal and upper low pressure systems in the territory that brought the rain.”

On top of the wetness, it's been chilly, even if we're not breaking any temperature records.

The high pressure system we were enjoying earlier in the summer has faded, and we're currently dealing with a cooler system, which moved into the territor in mid-July.

And the future doesn't bode well for warm weather lovers either.

"For the fall, the Yukon is split,” zsaid Lundquist.

"In the south, there are equal chances of warm, average or below-average temperatures, maybe a little higher, but we are definitely on the decline into fall from now on,” he said.

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