-# http://tgftp.nws.noaa.gov/data/zonecatalog.curr.tar
-# 748043471973d418cb415fccc3a0000b 2007-06-07 zonecatalog.curr.tar
-#
-# http://www.nco.ncep.noaa.gov/pmb/codes/nwprod/dictionaries/metar.tbl
-# 2bbef16bbf41add353650c5d09f35066 2013-07-25 metar.tbl
-#
-# http://www.ncdc.noaa.gov/homr/reports
-# f34a107a1988a540333f204c5726df29 2016-09-02 coop-stations.txt