Explanation for binary files inside source package according to
  http://lists.debian.org/debian-devel/2013/09/msg00332.html

Files: data/weather.rda
Documented in: man/weather.Rd
  The data were obtained from Cliff Mass and Jeff Baars in the University
  of Washington Department of Atmospheric Sciences.


 -- Andreas Tille <tille@debian.org>  Mon, 23 Jun 2014 09:24:05 +0200

