DataStreme Atmosphere (2008-04-28). "Air Temperature Patterns". American Meteorological Society. Archived from the original on 2008-05-11. Retrieved 2010-02-07.
DataStreme Atmosphere (2008-04-28). "Air Temperature Patterns". American Meteorological Society. Archived from the original on 2008-05-11. Retrieved 2010-02-07.
Jay Snively (2010). "H-I-J". MAPS GPS. Archived from the original on 2018-04-02. Retrieved 2010-01-30.