About TSGO The first weather and climate studies in Ukraine were carried out in the 1930's and related to the expeditions organized by the St. Petersburg Academy of Sciences, which at that time was the main center of science in the Russian Empire. In the same place, in St. Petersburg, in 1722, the first meteorological observations were started, and then they began in other cities, in particular in Kharkov (1738-1741), in the village of Snovska (now Schors), near Chernigov (1769-1782). In the years 1770-1771, doctor Lerhe performed his first instrumental observations in Kyiv. At the beginning of the 19th century, amateur meteorological stations appeared in Ukraine in Kyiv (1804), Berdichev (1814), Odessa (1821), Poltava (1824). However, all these observations were conducted irregularly and according to differentmethodologies.