Source: https://www.researchgate.net/profile/Ababacar_Fall3/publication/342550404_Study_of_temperature_variation_in_Senegal_case_of_the_Ziguinchor_and_Kolda_stations_in_Casamance/links/5f00ba7992851c52d617280a/Study-of-temperature-variation-in-Senegal-case-of-the-Ziguinchor-and-Kolda-stations-in-Casamance.pdf