Helmos Site On-line Information

Global Horizontal Irradiance Online Charts


The data presented are collected on-line from the automated station of the IAASARS-NOA, located near by Aristarchos Telescope, at Helmos mountain.

These data are updated every 10 minutes.

The automatic meteorological station at Helmos mountain is deployed under the collaboration between the Institutes IERSD and IAASARS of NOA. Thanks to Dr. P. Hantzios, Senior Researcher at IAASARS, for his valuable help during the station deployment.

(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.

Position of Helmos Station

Latitude: 37 59.547' N.
Longitude: 22 11.713' E.
Height above sea level: 2340m

Researchers Involved
Dr. Psiloglou VassilisSenior Researcher

Dr. Psiloglou Vassilis

+30 210 8109133

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