Sampling raster data

Sampling raster data

raster grid of daily maximum temperature
Counties shapefile with average values in color

Using a raster grid of daily maximum temperature and also a US counties shapefile, I calculated the average value within each polygon using the zonal statistics tool. The result is a thematic map which shows US counties by maximum daily temperature.

Tutorial: Sampling Raster Data using Points or Polygons (QGIS3) — QGIS Tutorials and Tips

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