• Alias

    Alternate names that are used to account for common alternate spellings (Saint Louis, St. Louis, St Louis), historical names (Ho Chi Minh City, Saigon), and accepted alternate names (Derry, Londonderry). Inclusion of aliases in search results can be controlled by setting the Alias enumeration value. Enumeration values: Never, Always, NoOfficialMatchFound. Default value set to NoOfficialMatchFound. This displays alternate names if no official match is found for the search text.

  • Cooling Degree Day Value

    The number of degrees that the mean temperature is above 65 degrees F.

  • Heating Degree Day Value

    The number of degrees that the mean temperature is below freezing.

  • Localization

    The process of translating information into different languages or adapting a product for a specific country or region. Within the API setting, this term is used to represent languages, including the localized dialects.

  • Location Key

    Unique ID that can be used for a specific location.

  • Rank

    Number applied to locations, set by factors such as population, political importance, and geographic size. Location search results are returned in rank order. A lower rank number represents a city of larger population, greater political importance, larger geographic size, or an important location of commerce.

  • RealFeel Temperature

    Index that describes what the temperature actually feels like, based on the effects of temperature, wind, humidity, sunshine intensity, cloudiness, precipitation, and elevation on the human body.

  • RealFeel Temperature Shade

    Index that describes what the temperature actually feels like in the shade, based on the effects of temperature, wind, humidity, sunshine intensity, cloudiness, precipitation, and elevation on the human body.

  • Verified Location

    A term used to describe a location that has been verified by our primary location data provider. For searches that return multiple results, verified locations will always be returned at the top of the list. Only verified locations will be used in GeoLookup and AutoComplete searches. Also, only verified locations will be supported for localizations (translations). An unverified location can be added to the verified list, provided that there is credible information to confirm the latitude/longitude, name, country, and primary administrative code.

  • Wet Bulb Temperature

    The temperature to which air may be cooled by evaporating water into it at constant pressure until it reaches saturation.