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Wet-dry tropical / Tropical Savanna (Aw) climate: Timbo, Guinea, at lat. 10 N, West Africa.    Climograph for Timbo, Guinea, Africa, Wet-dry tropical (Aw) climate         A  wet season at time of high sun alternates with an almost rainless dry season at time of low sun.   The location is alternately influenced by the Subtropical High (November-May) and the Intertropical Convergence (ITC) low. Distinct temperature cycle -- hottest before rainy season.   Temperature range = 9.7°F (5.4°C). Precipitation total = 64 in (163 cm).   "Savanna" vegetation associations occur here -- "big game" country of Africa. Savanna = grassy plain with scattered trees.