(29) Humidity and fog : January mean mixing ratio -- July mean mixing ratio -- Winter mean number of days with fog -- Spring mean number of days with fog -- Summer mean number of days with fog -- Fall mean number of days with fog. Compiled from information supplied by the Meteorological Division, Department of Transport. (Canada Department of Mines and Technical Surveys.)

• Main Authors: Canada. Department of Mines and Technical Surveys, Nicholson, N. L. (Norman Leon), Comtois, Paul
• Format: Map
• Language: unknown
• Published: Department of Mines and Technical Surveys, Geographical Branch 1950
• Subjects: Climate; Weather; Data Visualization; Canada; Greenwich; Nicholson; Newfoundland
• Online Access: https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~323202~90092304; https://media.davidrumsey.com/MediaManager/srvr?mediafile=/Size4/RUMSEY~8~1/185/14001064.jpg

6 maps showing humidity and fog in Canada during different seasons. Each map 15 x 32 cm. Each includes a legend. Scale 1:20,000,000 or one inch to 315.6 miles. Lambert Conformal Conic Projection Standard Parallels 49˚N and 77˚N. Descriptive text on verso: Humidity data are obtained from the regular...