Why does the weather change so fast in North America?

I was bored and compared weather of a few cities I compared some east coast american cities like new york with european citoes and i noticed how weather in north america change so fast like in new york it went from 65F to 35F in just 2 days which is impossible in most european cities. i live in Amsterdam and... show more I was bored and compared weather of a few cities I compared some east coast american cities like new york with european citoes and i noticed how weather in north america change so fast like in new york it went from 65F to 35F in just 2 days which is impossible in most european cities. i live in Amsterdam and weather never really changes here it at least takes a month to go from 50F to like 40F i also added a picture of the weather here
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