WYorksWeather
Yeah it's interesting to think why that is. I don't think there's any real obvious reason why we should expect parts of Canada to be colder than average. Does La Nina correlate to cooler temperatures in Alberta, as a rule? If not, then probably just internal variability.
This might be of interest:
Widespread Reforestation Has Buffered The Eastern US Against Climate Change
WWW.IFLSCIENCE.COM
The findings show just how powerful trees can be on a regional scale.