Harry
First of all,
the National Centers for Environmental Information
is the official data keeper for climate records here in the U.S.
Like anything related to government, it's a bureaucracy; and as crazy as
it might sound, statistics can and do change for reasons probably best
known to the bureaucracy itself.
Having said this: Here are some web resources.
Wikipedia, believe it or not, can be a good resource for historical climate
averages and extremes for places. A typical search for a city often
includes weather information tables which go beyond temperatures because
there is far more than temperaturesthat tell us what an area's climate is.
Is it rainy and when; sthat dreaded 4-letter word "snow,"
what about cloudiness or sunny days --you get the point.
The National Weather Service daily reports daily stats for hundreds of
cities at
https://forecast.weather.gov/product_sites.php?site=NWS&product=CLI
For monthly averages for places in the US:
https://www.currentresults.com/Weather/US/weather-averages-index.phps
For places outside the US, there is
https://www.currentresults.com/Weather/
Search engines like Google, DudkDuckGo, and Bing
are the search tools to use, not a smart speaker like the Echo.
Don't get me wrong! There are a lot of things I use ALEXA for; but
serious research is hardly one of them. Using an Echo
for that is akin to using a small tree branch as a hammer.
It might work occasionally, but that is it.
The online search engines will point you to places to look at.
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