Modelling diurnal pattern of relative humidity from daily air temperature and relative humidity data of Hyderabad

Authors

  • N. N. SRIVASTAVA Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad
  • V.U.M. RAO Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad
  • U. S. SAIKIA Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad
  • P. VIJAYA KUMAR Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad
  • A.V.M. SUBBA RAO Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad

DOI:

https://doi.org/10.54386/jam.v13i1.1329

Keywords:

Diurnal modelling, dew point temperature, relative humidity

Abstract

This study presents a simple methodology to estimate diurnal patterns in dew point temperature/relative humidity on weekly basis from mean minimum temperature or the morning relative humidity under semi-arid climatic conditions of Hyderabad. The sinusoidal and exponential models for day time and night time temperature pattern have been utilized in working out the diurnal patterns of the relative humidity on weekly basis at Hyderabad. Diurnal variation in dew point has been found to have, by and large, a set pattern depending upon the morning dew point temperature. Diurnal relative humidity patterns have been worked out both from the estimated dew point/relative humidity and the actual recorded relative humidity. This model is expected to be quite useful for long term retrospective agro-climatological studies wherein daily relative humidity and/or diurnal patterns thereof are required as input.

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Published

01-06-2011

How to Cite

N. N. SRIVASTAVA, V.U.M. RAO, U. S. SAIKIA, P. VIJAYA KUMAR, & A.V.M. SUBBA RAO. (2011). Modelling diurnal pattern of relative humidity from daily air temperature and relative humidity data of Hyderabad. Journal of Agrometeorology, 13(1), 25–30. https://doi.org/10.54386/jam.v13i1.1329

Issue

Section

Research Paper

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