Localities | Agro-climatic zone | Rainfall | Geographical coordinates |
Niamey | Sahelian zone | 400 à 600 mm | 13˚30'49″N et 2˚6'35″E |
Gaya | Sahelo-Sudanese zone | Plus de 600 mm | 11˚53'3N et 3˚26'57 E |