The aim of the work was to study the change in global solar radiation of Lokoja, Kogi State, seasonally. The research made use of weather data of maximum and minimum temperature of Lokoja, for the months of March, July and December, 2023 which was acquired from a weather station in a school in Lokoja. The calculation of the global solar radiation of the area was done using Hargreaves Samanni’s model. The results showed that there was a daily change; increase and decrease, or increases on consecutive days or vice versa in all the months in which the global solar radiation has been studied. In addition, the global solar radiation was highest in December, followed by the radiation recorded in March and least in July. From the results, it was concluded that the global solar radiation in the area shows a seasonal variation, such that the global solar radiation was higher in dry season and lower in rainy season. The lower global solar radiation in rainy season was due to lower temperature generally experienced in rainy season since global solar radiation depends on temperature of the atmosphere. The result of this work will be valuable to some Scientists, Engineers, Agriculturists and other stakeholders in the fields that have something to do with solar energy, solar radiation and environmental condition.
Crops, Energy, Health, Solar radiation, Sun
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