The data presented are collected on-line from the Meteorological & Actinometric Station
of the IERSD-NOA,
located on the
Hill of Koufou at Penteli area.
These data are updated every 10 minutes.
(1) The value of the cumulative precipitation is reset to zero at 08:00 and at 20:00 every day. (2) The values of the illuminance and irradiance are referred to horizontal plane. (3) The wind measurments are at 10m above the ground.