Hyetographic or rain map of the World
1849
Brunei, Cambodia, East Timor, Indonesia, Malaysia, Laos, Myanmar, Papua New Guinea, Philippines, Singapore, Southeast Asia, Thailand, Vietnam
A world map, including Southeast Asia, showing rainfall information (darker shading indicates greater rainfall). Southeast Asia lies in the ‘Zone of the Periodical Rains’, and is marked with monsoons and ‘Electrical Explosions’.