Slovenia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to New Caledonia was US$21 during 2018, according to the United Nations COMTRADE database on international trade. Slovenia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to New Caledonia - data, historical chart and statistics - was last updated on May of 2024.