Converting a .csv matrix into polygon shapefile

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01-21-2020 09:41 AM
José_MariaDos_Santos_Rodrigues
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I'm doing rainfall analysis over an area, and for that I got a .csv file comprising of a matrix where the columns correspond to latitude position over the area, rows correspond to longitude position, and each cell has a rainfall volume for that position. I want to convert this .csv matrix into a polygon shapefile showing the rainfall distribution over the area for use in ArcMap. I searched around but I only found ways to convert .csv tables with fields for coordintates, but nothing for a .csv matrix. The file itself has no coordinates but I can georeferenciate it once it's been converted.

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