At Wikimenia (the Wikipedia Conference) the Canadian weather service presented a nice project where they put their weather station data on the #wikicommons as tables (not used much) and station meta data into #WikiData.
With this information a template for Wikipedia then automatically generates up to date information on the climate at a certain station, which can be added to the Wikipedia page of nearly cities.
Environment Canada is adding their weather station data to the #WikiCommons and calls on other weather services to do the same.
They have a #Wikipedia Template that then automatically generates up-to-date climate tables to Wikipedia.
A remaining problem is that these "templates" have to be coded new for every language. The rest of the Wikipedia User Interface can do internationalization and be translated by TranslateWiki, but somehow the templates not yet. https://translatewiki.net
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