Overnight temperatures included lows that were
just slightly below freezing to well below, according to
Environment Canada data. The national weather service reported a
low of -6 Celsius (21.2 Fahrenheit) at Edmonton, with the
temperature in the provincial capital hovering between -4 and -6
Celsius during a five-hour period.
Significant lows were also recorded at Lloydminster (-5.3
Celsius), Peace River (-3.1 Celsius), Red Deer (-4 Celsius) and
points in between.
Parts of southern Alberta escaped the frost.
The neighboring provinces of Saskatchewan and Manitoba mostly
avoided the deep freeze.
Factors such as the duration of cold weather, how far below
freezing temperatures reach and the stage of crop development
determine the extent of frost damage. Temperatures lower than -2
Celsius that last for several hours can kill crops.
Canada is the world's sixth-largest wheat producer and biggest
grower of canola, a seed that is crushed for its oil and meal.
(Reporting by Rod Nickel in Winnipeg, Manitoba; Editing by Nick
Zieminski)
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