Digitizing Ottoman daily weather observations of Halkali Agricultural School in Istanbul, Turkiye (1896–1917)

Daily weather observations measured by students and staff at Halkali Agricultural School (a school opened in 1892 on agriculture animal husbandry during the Ottoman period) from 1896 to 1917 Istanbul, Turkiye have been transcribed original publications into digital form translated Turkish (the Perso-Arabic script) English (Latin alphabet). Over 55,000 of daily maximum, minimum average temperature; rainfall, soil under (0.25 m) humidity, pressure wind speed were recovered. In addition, taken Kandilli Observatory Earthquake Research Institute 1911 1936 Florya Meteorological Station 1937 2022 could inform long-term temperature changes Istanbul. The publication a new historical data set that includes, for first time, digitized quality-controlled meteorological Istanbul will enhance understanding back late 19th century. These be used fill gaps existing records improvement accuracy reanalysis products prior 1950s. It other parameters such as temperature, humidity period region. Data are available CEDA Archive csv file format.