- WMO number
- Rural/Town/Urban (also indicated by marker color)
- Airport (if true), Population, in 1000's (if given)
- Years over which data exists (may have gaps)
- Total years of data (excluding gaps)
I've also moved to using KMZ files, as is recommended. These are just zip files, each containing the appropriate KML file. GE will read them directly.
The docs repository file is still called KMLfiles.zip, and now includes the R code I used and a Readme.txt file.