1991_2020_December_precipitation_normal_files.zip contains:
- 1991_2020_December_precipitation_normal_color.jpg (JPG raster image)
- 1991_2020_December_precipitation_normal_color.wmf (Windows Metafile / color version)
- 1991_2020_December_precipitation_normal_smoothed.asc (.asc raster file)
- 1991_2020_December_precipitation_normal_smoothed.grd (Surfer .grd raster file)