NCEP re-analysis data handling

Data files *.pgb.f00 can be downloaded from:

http://rda.ucar.edu/datasets/ds090.0/index.html#sfol-wl-/data/ds090.0?g=8

test.py:

The script reads data related to geopotential heights in a certain square geographic region of the planet.

After modyfing the input directory, just:

python test.py