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This paper presents, an estimation of daily global solar radiation in Sokoto (latitude and longitude ) for the year 2009 using Hargreaves model. This estimation was based on latitude and daily minimum and maximum temperature in Sokoto State. The measured and estimated solar radiation data were compared forand analyzed using coefficient of residual mass (CRM), root mean squared error (RMSE), coefficient of determination (R 2 ) and percentage error (e). The results showed that the value of CRM isdoi:10.7324/ijasre.2017.32542 fatcat:blcf2y4q4zaevf4ikarvkob3wq