{
  "_id": "020010",
  "classname": "Observed phenomena",
  "classno": "20",
  "datawidthbits": "7",
  "name": "Cloud cover (total)",
  "note": "(see Note 5)",
  "refvalue": "0",
  "scale": "0",
  "status": "Operational",
  "unit": "%"
}