is a valid airport code or a valid
Weather Station ID
check_date
is a a valid string representing a date
in the past (string "YYYY-MM-DD")
station_type
is either airportCode or
id
Value
1 if the station does have weather records for input date,
0 if no records were found
References
For a list of valid Weather Stations, try this format
http://www.wunderground.com/weatherstation/ListStations.asp?selectedCountry=United+States
and replace with your country of interest