"Bolkovce Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 14 August 2023. Retrieved 14 August 2023.
web.archive.org
"Bolkovce Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 14 August 2023. Retrieved 14 August 2023.
