International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:6, June, 2019

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 1390-1396

Frequency Analysis of Rainfall Data Using Probability Distribution Models
H. Baghel*, H.K. Mittal, P.K. Singh, K.K. Yadav and S. Jain
Department of Soil and Water Engineering, CTAE, MPUAT, Udaipur 313001, India
*Corresponding author

Rainfall is a prime input for various engineering design such as hydraulic structures, water conservation structures, bridges and culverts, canals, storm water sewer and road drainage system. The detailed statistical analysis of each region is essential to estimate the relevant input value for design and analysis of engineering structures and also for crop planning. The present study comprises statistical analysis i.e. frequency analysis of daily maximum rainfall data of Udaipur district. The daily rainfall data for a period of 56 years is collected to evaluate designed value of rainfall using probability distribution models. Around 07 different probability distributions (Gamble’s extreme value type I, Logpearson type III, Lognormal, Normal, Exponential, Pearson type III and Gamma distribution) were used to evaluate maximum daily rainfall. Chi-squared tests were used for the goodness of fit of the probability distributions. Results showed that Lognormal distribution and Gumbel distribution found to be have least critical values in the tests hence consider as the best fit distribution for given sample population. Also maximum daily expected value of rainfall for various return periods were evaluated using all distribution model under consideration.

Keywords: Rainfall, distribution models, frequency analysis

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How to cite this article:

Baghel, H., H.K. Mittal, P.K. Singh, K.K. Yadav and Jain, S. 2019. Frequency Analysis of Rainfall Data Using Probability Distribution Models.Int.J.Curr.Microbiol.App.Sci. 8(6): 1390-1396. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.