URL for climate data can be accessed below:
https://www.ecad.eu/dailydata/index.php ## pentru ECA&d
https://www1.ncdc.noaa.gov/pub/data/ghcn/daily/ghcnd-stations.txt ## Global Historical Climatology Network stations
https://www.ncei.noaa.gov/data/global-historical-climatology-network-daily/access/ ## for stations climate data
Klein Tank, A.M.G. and Coauthors, 2002. Daily dataset of 20th-century surface air temperature and precipitation series for the European Climate Assessment. Int. J. of Climatol., 22, 1441-1453.
Menne, Matthew J., Imke Durre, Bryant Korzeniewski, Shelley McNeill, Kristy Thomas, Xungang Yin, Steven Anthony, Ron Ray, Russell S. Vose, Byron E.Gleason, and Tamara G. Houston (2012): Global Historical Climatology Network - Daily (GHCN-Daily), Version 3. [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5D21VHZ
Matthew J. Menne, Imke Durre, Russell S. Vose, Byron E. Gleason, and Tamara G. Houston, 2012: An Overview of the Global Historical Climatology Network-Daily Database. J. Atmos. Oceanic Technol., 29, 897-910. doi:10.1175/JTECH-D-11-00103.1.
The code was written in Spyder IDE. Credits goes to Wes McKinney (https://wesmckinney.com/) for Pandas library.