Research Article
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 |
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