Ground based in situ observations of wet_only_sampler at Koksijde (BE0014R). These measurements are gathered as a part of the following projects CAMP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: precipitation_amount in precip (lwe_thickness_of_precipitation_amount), mercury in precip (mass_concentration_of_mercury_in_precipitation)