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The Scientific World Journal
Volume 2012, Article ID 980738, 8 pages
Research Article

Modeling Rainfall Variability over Urban Areas: A Case Study for Kuwait

Civil Engineering Department, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait

Received 29 December 2011; Accepted 22 January 2012

Academic Editors: J. Sloan and J. Sun

Copyright © 2012 Jaber Almedeij. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This study examines the spatial and temporal variability of monthly total rainfall data obtained from weather stations located in the urban areas of Kuwait. The rainfall data are analyzed by considering statistics on a seasonal basis and by means of periodogram technique to reveal the periods responsible for the variable pattern. The results demonstrate similarity implying that a point estimate of rainfall data can be considered spatially representative over the urban areas of Kuwait. A sinusoidal model triggering the influence of the detected periods is developed accordingly for the time duration from January 1965 to December 2009. The model is capable of describing the rainfall data with some discrepancies between the actual and calculated values resulting from hidden periods that have not been taken into account. This finding suggests that the ability to construct a more reliable model would require a wider range of historical data to detect the other periods affecting the rainfall pattern.