Ground based in situ observations of wet_only_sampler at Ulborg (DK0031R). 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: precipitation_amount in precip (lwe_thickness_of_precipitation_amount), calcium in precip (mass_concentration_of_calcium_in_precipitation), magnesium in precip (mass_concentration_of_magnesium_in_precipitation), pH in precip (mass_concentration_of_pH_in_precipitation), potassium in precip (mass_concentration_of_potassium_in_precipitation), sodium in precip (mass_concentration_of_sodium_in_precipitation)