A Review of Rainfall Data from the Iranian Province of Sistan and Balochistan

This paper reviews rainfall data obtained by the second author in the course of research for
his MRes dissertation. Comparisons are made between information from Sistan and Balochistan, and
with other published data from Oman, which are seen to follow a similar monthly distribution.
Statistical analysis of the data indicates that the log-normal distribution is generally suitable for
representing the annual totals of rainfall, but that the monthly totals are better represented using the
Gumbel extreme value distribution. It is indicated that the monthly data are relevant to water
resources considerations, and it is recommended that for flood alleviation purposes more frequent data
from autographic or recording rain gauges should be sought.

Citation:
Marriott, M.J. and Zainudini, M.A. (2006) ‘A Review of Rainfall Data from the Iranian Province of Sistan and Balochistan’ Proceedings of the AC&T, pp.113-118..