Table 4: Root mean square error (RMSE) values comparing the frequency distributions of the existing and the new algorithms with measured data. Smaller values of RMSE denote better congruence of the frequency distributions of modelled one-minute values with measured values.

ModelRMSE of irradiance in %RMSE of in counts
LindenbergCarpentrasLindenbergCarpentras

Aguiar0.5300.549596801
Skartveit0.6840.575862962
New0.2100.237207248