epeli/metar.js — pull request #1 by Kami (2013-09-29 17:14:29+00:00)
Title: Support for parsing temperatures which are bellow zero

This pull request adds two things:

1. Support for parsing temperatures and dewpoints which are bellow zero (`M` indicator in-front of the number)
2. Fixes the tests to use `getUTCHours()`. Previously tests only passed if local timezone was set to UTC + 3.