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</html><description>Climate and atmospheric monitoring at NOA began as early as the mid-19th century, with the systematic recording of daily meteorological and atmospheric observations in the center of Athens. In 1890, the 1st class historic meteorological station was permanently established in Thiseio, operating uninterrupted to this day. In 1953, the country&#x2019;s first actinometric station began its [&hellip;]</description></oembed>
