WeatherData gives current and historical weather data for all standard weather stations worldwide.
The location loc in WeatherData can be specified as an ICAO code such as , a WMO code such as , an NCDC ID such as , an amateur weather station code such as , or another standardized weather station identifier.
The location can also be given as , or a city specification is given of the type used in CityData, in which case WeatherData gives results for the nearest high-reliability weather station.
WeatherData[spec] gives the nearest weather station to spec for which data has ever been available.
WeatherData gives a list of the n nearest weather stations for which data has ever been available.
WeatherData by default takes date to be given in UTC, and uses UTC for all output times.