Meteorologist and geographer Pavle Vujević used these, so as several other books, to extract all the weather data and published them in 1931 work Historical documents about the variations of the climate on the territory of the Kingdom of Yugoslavia.

He was observing the weather and writing down the temperature, humidity, precipitations, wind speed and atmospheric pressure and his work became the foundation of the meteorology development in Serbia.

26 March] 1887 by the Minister of Education and Church Affaires of Kingdom of Serbia Milan Kujundžić Aberdar on the initiative of professor Nedeljković.

On 1 July 1887 Nedeljković took over as the head of the provisory astronomical and meteorological observatory which was located in the rented house of the Gajzler family at 66 Svetozara Markovića Street.

[5] Adopting the request of Nedeljković, a new Minister of Education, Vladan Đorđević passed on 27 September 1888, on the Feast of the Cross day, the Regulation on the establishment of unified network of meteorological stations in the Kingdom of Serbia.

[4] It was constructed according to the design of architect Dimitrije T. Leko and equipped with the modern small instruments for astronomical and meteorological observations.

Apart from its importance for astronomy and meteorology, the newly built Observatory, headed by Nedeljković, was a cradle of the seismic and geomagnetic researches in Serbia.

Thanks to Nedeljković's colleague and friend Miklós Konkoly, the founder of modern Hungarian astronomy and meteorology, the observatory was equipped with a seismograph.

[6] Nedeljković managed to acquire instruments for the new observatory from the war reparations from Germany, not spending the state money.

[1] After the FHMI was abolished in April 2003, the RHSS was entrusted as its legal successor with all its responsibilities, especially the international cooperation.