Energy Audit and Feasibility of Solar PV Energy System: Case of a Commercial Building

Table 1

Daily radiation and clearness index data for Mchinji.

	Clearness index	Daily radiation (kWh/m^2/day)
January	0.481	5.41
February	0.502	5.54
March	0.552	5.72
April	0.612	5.68
May	0.664	5.43
June	0.672	5.11
July	0.675	5.29
August	0.669	5.87
September	0.672	6.65
October	0.628	6.75
November	0.573	6.38
December	0.498	5.61