"Churanov Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2023-08-20. Retrieved 2023-08-21.
ncei.noaa.gov
"Churanov Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2023-08-20. Retrieved 2023-08-21.