Heating Degree Days

{
  "id": "MLC-T-MET-001263",
  "term": "Heating Degree Days",
  "field": "Meteorology and atmospheric science",
  "definition": "(abbrev. HDD) A form of degree day used to estimate energy requirements for heating. Typically, heating degree days are calculated as how much colder the mean temperature at a location is than 65°F on a given day. For example, if a location experiences a mean temperature of 55°F on a certain day, there were 10 HDD (Heating Degree Days) that day because 65 - 55 = 10.",
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/heating-degree-days/"
}