I thought I would look at the year in which daily records for Nanaimo BC (near where I live).
The data starts in 1947 and goes to 2016. You can get data here.
There must be a fingerprint of Extremeness somewhere … right?
I guess not. The early 40s/50s set a lot of cold records. The high records are all over the place.
sunshine hours 
Having lived up near where you do I noted, two warm summers, two warm winters and this year which reverted to cooler.
I have fled to Saanich in a panic.