Ground based in situ observations of aws at Penausende (ES0013R). These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: wind_speed in met (wind_speed), wind_direction in met (wind_from_direction), pressure in met (air_pressure), UVA_radiation in met, temperature in met (air_temperature), relative_humidity in met (relative_humidity)