ANALYSIS OF RAINFALL IN THE EASTERN THAILAND

Authors

  • Wonlee Nounmusig

Keywords:

Rainfall, Eastern Thailand, Correlation, ENSO

Abstract

Eastern Thailand needs for water increases daily due to population growth, economic
developments, and urbanization. The main source of water in the region is mainly from the rain. Therefore,
understanding of rainfall pattern in this region is required to support the planning of water management. In
this study, the patterns of rainfall in eastern Thailand are analyzed by using statistical analysis. The data used
from 15 rain gauge stations (the period in 1969-2008) of Thai Meteorological Department (TMD). The 40-
year average of rainfall is found 1921mm.The region has abundant of rainfall during May to September due
to Southwest monsoon, especially in windward location. The highest of rainfall and rain day found in August
at Khlong Yai with exceeding 1000mm and exceed 25day, respectively. The results show yearly rainfall has
been a tendency to decrease. The significant correlation between monthly rainfall and ENSO indices has the
largest number in the transitional period (April, May, and October).

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Published

2017-12-13

How to Cite

Wonlee Nounmusig. (2017). ANALYSIS OF RAINFALL IN THE EASTERN THAILAND. GEOMATE Journal, 14(46), 150–155. Retrieved from https://geomatejournal.com/geomate/article/view/2892

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