Green Energy: An Ideal Energy Solution for Sustainable Development of Afar Region, Ethiopia

Table 2

Temporal monthly radiation in Ethiopia (Wh/m²/month).

Month	Min	Max	Mean	St. Dev
January	1930	221,940	136,288	16,161
February	2148	207,232	138,439	13212
March	3646	236,328	170,906	12,501
April	15,348	238,981	172,893	11,899
May	6961	255,147	176,442	14,233
June	3286	250,390	167,735	14,906
July	4026	257,094	175,074	14,788
August	11,533	249,714	178,741	12,792
September	6624	239,322	174,338	12,143
October	2376	224,323	153,691	13,549
November	1912	216,207	135,489	15,351
December	1858	219,516	130,485	16,523