This call for tender concerns the supply, installation, commissioning, and maintenance training of four complete automatic weather stations in Djibouti. Each station must be equipped with a set of meteorological sensors to measure atmospheric pressure, air temperature and relative humidity, solar radiation, precipitation, and wind direction and speed. Additionally, each station must include a data acquisition and processing unit, a transmission module, an anemometric mast, and all associated cabling and accessories. These stations must be installed in observation parks to be created as part of this contract, producing and transmitting meteorological messages in compliance with the standards and recommendations of the World Meteorological Organization (WMO).