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The copyright of a submitted article is only transferred to the publishers if and when the article is accepted for publication. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, electrostatic, mechanical, photocopying, recording or otherwise without the prior written permission of the publishers.
The copyright of a submitted article is only transferred to the publishers if and when the article is accepted for publication. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, electrostatic, mechanical, photocopying, recording or otherwise without the prior written permission of the publishers.
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Prediction Of Clearness Index For Some Nigerian Stations Using Temperature Data
Abstract
Global solar radiation and mean temperature data for five Nigeria stations have been used to fit the Angstrom model for the clearness index (KT =H/Ho), the mean temperature (Tmean) and maximum temperature (Tmax). The tests of performance of the model for the five stations have been done in terms of the widely used statistical indicators, Mean Bias Error (MBE) and Root Mean Square Error (RMSE). It was found from statistical model performance indicators that the models provided reasonably high degree of precision in the prediction of average monthly global solar radiation on horizontal surfaces.
Keywords: Clearness index, Global solar radiation, and Temperature.
Journal of Science and Technology (Ghana) Vol. 28 (2) 2008: pp. 94-103
