SEASONAL TREND AND SPATIAL PATTERN OF RAINFALL IN MYSURU DISTRICT

The term Rainfall refers to the amount of rain that falls in a place during a particular period. Mysuru district has receives on an average annual rainfall is 778.4mm from 1990 to 2018. It was varies with seasons as well as in Spatial. Therefore the present paper analyse the Seasonal and Spatial trend of Rainfall in Mysuru District, for this purpose 40 (2018) rain gauge locations Monthly rainfall data has been collected between 1990 to 2018 from District Statistical Office, Mysore. Here, Simple statistical tools like percent, average and statistical techniques like Index of concentration are used and the cartographic and Arc GIS software are used for the preparation of trend lines and maps respectively. The result found that in season wise on an average about 47% of annual rainfall occurs during the South west monsoon period, it is only less than 1 percent in winter or post monsoon season. The pre monsoon rainfall is more consistence than the post or winter season rainfall. In spatial level, all taluk receives the high and low rainfall in South west monsoon season and winter season respectively.