{
  "_id": "013009",
  "classname": "Hydrographic and hydrological elements",
  "classno": "13",
  "datawidthbits": "12",
  "name": "Relative humidity",
  "note": "(see Note 6)",
  "refvalue": "-1000",
  "scale": "1",
  "status": "Operational",
  "unit": "%"
}