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Rough estimation of sunshine hours from solar irradiance

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(@rkarpa01)
Posts: 58
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Does anyone know whether the hours of sunshine can be roughly estimated based on solar irradiance data (in w/m^2)?

 
Posted : 06/02/2018 1:30 pm
Gerhard Witteveen
(@gerhard)
Posts: 186
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The WMO guidelines state that global radiation above 120 w/m2 counts as sunshine. So we would need a calculation for that, based on the global radiation measurements.

 
Posted : 09/02/2018 9:52 pm