60 



Humidity 

 70 



90 



White --Non-contagious. 

 United States (1912-1915) 521,000 deaths 



so 



70- 



60 



50- 



2C 



10 



15 10 

 Deaths in Relation to Temperature 

 and Humidity. 



FIG. 35. Climograph of deaths of white people in the eastern United States, 

 1912-1915. Non-contagious diseases. Departures from normal in per- 

 centages of normal. Based on 921,000 deaths in all cities and states for 

 which separate figures for whites and negroes are given in the Census 

 Reports, with the exception of New Orleans. 



