SAIL - Visibility data

Quality-controlled observations of meteorological visibility measured on board the sail ship NRP Sagres during the 2020 SAIL campaign. Missing values are denoted by NA.<br>The structure of the datafile is the following:column 1: date (yyyy-mm-dd);column 2: time (HH:MM);column 3: meteorological optical range (m);column 4: longitude (degrees E);column 5: latitude (degrees N);column 6: flag signaling fully ocean day (=1) and fully or partially land day (=0).