"Klimatafel von Nouakchott / Mauretanien"(PDF). Baseline climate means (1961–1990) from stations all over the world (in German). Deutscher Wetterdienst. Archived(PDF) from the original on 9 October 2019. Retrieved 18 December 2018.
"Klimatafel von Nouakchott / Mauretanien"(PDF). Baseline climate means (1961–1990) from stations all over the world (in German). Deutscher Wetterdienst. Archived(PDF) from the original on 9 October 2019. Retrieved 18 December 2018.