ARM-DOE/pyart — pull request #189 by kirknorth (2014-09-22 15:53:49+00:00)
Title: Add Grid datetime routine

I am adding a `datetime_from_grid` function to the `datetime_utils` module. This function should return the Python datetime corresponding to the volume start time of the `Grid`. @jjhelmus, this is a simple PR and it meets PEP 8 standards.