Analysis of Global Solar Irradiance over Climatic Zones in Nigeria for Solar Energy Applications

Table 2

, MBE, RMSE, and MPE between the observed and satellite data for the climatic zones.

Location		MBE	RMSE	MPE
Sahel savannah
Maiduguri	0.9576	0.2165	0.5038	−1.1619
Nguru	0.7265	−1.0556	1.4817	4.6014
Average	0.8421	−0.4196	0.9928	1.7198
Sudan savannah
Sokoto	0.7464	0.0656	1.0147	−0.2388
Bauchi	0.8174	−0.3916	0.9382	1.6019
Kano	0.8819	−0.9646	1.2449	4.3573
Yola	0.9527	−1.8471	1.9594	8.0707
Average	0.8496	−0.7844	1.2893	3.4477
Mangrove swamp forest
Port Harcourt	0.8237	−0.7075	1.4233	4.8967
Calabar	0.6315	−0.5341	2.1099	3.9059
Warri	0.6727	−1.7629	2.2924	9.7824
Average	0.7093	−1.0015	1.9418	6.1950
Guinea savannah
Ibi	0.9220	−1.3204	1.4689	6.4532
Minna	0.8466	0.1828	0.9543	−1.2337
Average	0.8843	−0.5688	1.2116	2.6098
Tropical rain forest
Ikeja	0.8446	2.6295	2.7663	−18.7371
Akure	0.7163	−1.2940	1.8379	6.7471
Enugu	0.7483	−0.2038	1.1372	1.0537
Ibadan	0.8119	0.4458	1.1308	−2.9164
Benin	0.7785	−0.7767	1.4044	4.4493
Average	0.7799	0.1602	1.6553	−1.8807