#climate #map #January January Isotherms, circa 1920, in degrees Fahrenheit … these may be out of date … Right click, open in new tab … to enlarge. from: The New World Atlas and Gazetteer; 1923; PF Collier and Son, New York. View high resolution

#climate #map #January

January Isotherms, circa 1920, in degrees Fahrenheit

… these may be out of date …

Right click, open in new tab … to enlarge.

from: The New World Atlas and Gazetteer; 1923; PF Collier and Son, New York.

Notes

  1. djgagnon posted this