Aids in identifying the Köppen-Geiger (KG) climatic zone for a given lat and lon of any location. The resolution of KG map is at 100 sec arc or approximately 3.087 km at the equator, reported by Rubel et al. [2016]. F. Rubel, K. Brugger, K. Haslinger, and I. Auer, (2016) doi:10.1127/metz/2016/0816.
https://github.com/cwru-sdle/kgc-py/blob/ec86b742060152fdb549252ace3952049a5ebbdb/setup.py#L17