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Found 10 records similar to Air temperature measurement network
Contained within the 4th Edition (1974) of the Atlas of Canada is a set of three maps. The first map shows sea routes traveled by British, French, Russian and Spanish explorers between 1741 and 1794. The second map shows routes taken by explorers in search of the Northwest Passage during the 16th, 17th, 19th and 20th centuries (1576 to 1944). The third map shows routes taken between 1847 and 1879 by expeditions in search of Sir John Franklin, an explorer who perished in 1847 while in search of the Northwest Passage.
Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the typical weather situations by means of four surface weather maps: for February 18th, circa 1954; April 19th, circa 1955; July 3rd, circa 1955; and October 12th, circa 1954. All maps are based on data of 1:30 p.m. Eastern Standard Time for the afore-mentioned dates. There are two small inset maps: one shows air masses and the mean position of fronts in winter, the other shows the same concepts for summer.