(20) Wind and sunshine.
(20) Wind and sunshine : Direction of frequencies of winter winds -- Direction of frequencies of summer winds -- Mean annual total hours of bright sunshine -- Mean annual percentage of total daylight hours (sunrise to sunset) with bright sunshine. Compiled from information supplied by the Meteorological Division, Department of Transport and Dominion Observatories, (Canada) Department of Mines and Technical Surveys.
David RumseyComtois, Paul
1958
1958
Department of Mines and Technical Surveys, Geographical Branch
1:20 000 000