Description: A map from 1898 of the United States showing the average annual number of freezing days in North America. "The number of freezing days in a year increases northwardly over the shaded portion of the chart, the first line showing where there are thirty days of freezing weather, the second line sixty days, and so on." —Redway, 1898.
Place Names: Meteorology, temperatur
ISO Topic Categories: climatologyMeteorologyAtmosphere
Keywords: Number of Freezing Days in the United States, meteorological, kClimate, climate, climatologyMeteorologyAtmosphere, Unknown,1898
Source: Jacques W. Redway and Russell Hinman, Natural Advanced Geography (New York, NY: American Book Company , 1898) 54
Map Credit: Courtesy the private collection of Roy Winkelman |
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