Integrated Surface Database (ISD) is global database compiled by the

National Oceanic and Atmospheric Administration The National Oceanic and Atmospheric Administration (NOAA ) is an American scientific and regulatory agency charged with Weather forecasting, forecasting weather, monitoring oceanic and atmospheric conditions, Hydrography, charting the seas, ...

(NOAA) and the

National Centers for Environmental Information The National Centers for Environmental Information (NCEI) is a U.S. government agency that manages one of the world's largest archives of atmospheric, coastal, geophysical, and oceanic data. The current director is Deke Arndt. NCEI is operate ...

(NCEI) comprising hourly and synoptic surface observations compiled globally from ~35,500

weather station A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmosphere of Earth, atmospheric conditions to provide information for weather forecasting, weather forecasts and to study the weather and clima ...

s; it is updated, automatically, hourly. The data largely date back to paper records which were keyed in by hand from '60s and '70s (and in some cases, weather observations from over one hundred years ago). It was developed by the joint Federal Climate Complex project in

Asheville, North Carolina Asheville ( ) is a city in Buncombe County, North Carolina, United States. Located at the confluence of the French Broad River, French Broad and Swannanoa River, Swannanoa rivers, it is the county seat of Buncombe County. It is the most populou ...

References

{{Reflist Meteorological data and networks National Oceanic and Atmospheric Administration National Environmental Satellite, Data, and Information Service