[Qgis-us-user] Standard precipitation index interpolation

[Dani Varghese]

Dear All

I  had SPI (Standard precipitation index) values for 1000 stations (30
years monthly data for each station) . I needed to perform the
interpolation method ( kriging). What confuses me is that each
station/point has 30 years of monthly data ranging from +2 to -2, Can
anyone suggest to me how to interpolate these values, thanks  in advance.

Best
Dani
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