Development of New Models for the Estimation of Hourly Components of Solar Radiation: Tests, Comparisons, and Application for the Generation of a Solar Database in Morocco

Table 4

The and values calculated for the representative station’s measurements.

	Fez		Marrakech		Rabat		Tangier
	January	0.43	0.65	0.48	0.608	0.32	0.757	0.367	0.735
February	0.516	0.578	0.4	0.7	0.464	0.64	0.546	0.548
March	0.6	0.381	0.518	0.602	0.653	0.426	0.784	0.274
April	0.552	0.569	0.606	0.5147	0.648	0.482	0.681	0.404
May	0.755	0.333	0.7063	0.399	0.664	0.451	0.779	0.3
Jun	0.699	0.404	0.681	0.435	0.663	0.471	0.756	0.335
July	0.652	0.465	0.683	0.431	0.604	0.554	0.765	0.318
August	0.62	0.499	0.702	0.398	0.601	0.526	0.712	0.379
September	0.503	0.599	0.541	0.582	0.546	0.555	0.684	0.399
October	0.413	0.689	0.529	0.601	0.573	0.541	0.701	0.358
November	0.32	0.83	0.412	0.699	0.575	0.5	0.434	0.670
December	0.449	0.628	0.349	0.755	0.386	0.721	0.552	0.517