Theoretical and Applied Climatology

, Volume 45, Issue 4, pp 277–283 | Cite as

Probable maximum precipitation for a 2-day duration over the Indian Peninsula

  • P. R. Rakhecha
  • N. R. Deshpande
  • M. K. Soman


For the purpose of providing information to hydrologists for designing costly and large hydraulic structures, estimates of probable maximum precipitation (PMP) for a 2-day duration for stations in the Indian Peninsula lying between 8° N to 20° N were calculated using the Hershfield statistical techniqe. Maximum annual 2-day rainfall data of 80 years from 1901 for 131 stations in the region were used. In order to obtain values of PMP, an enveloping frequency factor (k m ) curve based on the actual rainfall data of stations in the region was developed. The enveloping curve was then utilised to estimate 2-day PMP values of all the 131 stations. Based on these PMP estimates, a generalised chart showing the spatial distribution of 2-day PMP was prepared. It was found that 2-day PMP estimates over the Indian peninsula varied from 40 to 95 cm and the average ratio of 2-day PMP to the highest observed 2-day rainfall was found to be 1.76.


Climate Change Waste Water Spatial Distribution Water Management Water Pollution 
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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • P. R. Rakhecha
    • 1
  • N. R. Deshpande
    • 1
  • M. K. Soman
    • 1
  1. 1.Indian Institute of Tropical MeteorologyPuneIndia

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