Namibia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Marshall Islands was US$37 during 2013, according to the United Nations COMTRADE database on international trade. Namibia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Marshall Islands - data, historical chart and statistics - was last updated on May of 2024.