"Chlef Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 26 August 2023. Retrieved 26 August 2023.
"Chlef Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 26 August 2023. Retrieved 26 August 2023.