diurnal variation of radiation


New Member
which tool could give a diurnal variation of radiation for any city in the world? Actually, I need that one for Damascus, Syria.
and I need to get that information just to determine the best hours a day to run my load.


Solar Addict
Dear @tornedoar,

Maybe one of these links help,
Thank you
Good luck!

edit: for fun i generated the text file from nasa link for reference using latitude longitude from wikipedia. it's attached to this post. cheers! edit edit: (on second thought maybe this data does not provide enough resolution, such as to the hour.) edit edit edit: added new link with hourly type graph


  • Daily Insolation Parameters for Damascus Syria in AD 2021.txt
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