Developing countries; especially in Africa, face great challenges in data and information management. While it is known that centralised database management is a good practice in the field of research, not many countries have managed to achieve this, even with the growing rate of knowledge of information and communication technology. Somalia faces even greater challenges than these countries due to the prolonged civil war. One and a half decade of the civil war in the country have resulted in loss and damage of most water & land related information collected in the previous half century. This report presents an inventory of the historical hydro-meteorological data that have been accumulated from various sources, and the hydrometeorological data that are currently being collected by SWALIM in collaboration with partner agencies