-Jan., 1903.] 
Some Climatic Conditions of Ohio. 
345 
Ohio Naturalist. Plate 4. 
Ad A PW 
MapvAF 
Jennings on“ Some Climatic Conditions of Ohio. 
Explanation of Maps. 
Map V. Mean Annual Temperature. 
Lines denote mean temperature for the year ranging from 49 to 55 
degrees Fahrenheit. 
Map VI. Mean Maximum Temperature. 
Lines pass through points having the same average of maximum tem- 
peratures. Lines differ from each other by iVi degrees Fahrenheit. 
Map VII. Mean Minimum Temperature. 
Lines pass through points having the same average of extreme rnini- 
iinum temperature. The lines differ from each other by five degrees 
Fahrenheit. 
Map VIII. Mean Annual Range of Temperature. 
Lines pass through points having the same average range between the 
extreme minimum and extreme maximum temperature of the year. 
