wefacts (weather-facts) makes it easy for researchers and developers to obtain historical weather data including temperature, wind speed, wind direction, etc.

Weather Data Source:

The Integrated Surface Hourly Data Base in data access category Land-Based Station https://www.ncdc.noaa.gov/data-access/land-based-station-data by NOAA (National Oceanic and Atmospheric Administration, https://www.ncdc.noaa.gov/data-access).

Specifically, the raw weather data records are available at ftp://ftp.ncdc.noaa.gov/pub/data/noaa/isd-lite/ . It contains hourly weather recordings from 1700+ weather stations covering every state in the US. It also offers weather recordings for other countries with a limited coverage.

The severe weather reports, which are available at ftp://ftp.ncdc.noaa.gov/pub/data/swdi/database-csv/v2/, are also integrated into the data set.

Hourly Weather Records Columns:

Severe Weather Category

- 'nx3tvs'       - (Point)   NEXRAD Level-3 Tornado Vortex Signatures
- 'nx3meso'      - (Point)   NEXRAD Level-3 Mesocyclone Signatures
- 'nx3hail'      - (Point)   NEXRAD Level-3 Hail Signatures
- 'nx3structure' - (Point)   NEXRAD Level-3 Storm Cell Structure Information
- 'plsr'         - (Point)   Preliminary Local Storm Reports
- 'warn'         - (Polygon) Severe Thunderstorm, Tornado, Flash Flood and Special Marine warnings
- 'nldn'         - (Point)   Lightning strikes from Vaisala (.gov and .mil ONLY)

Missing Records

Not all weather data are recorded and missing values are represented as -9999.


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