50% 



60% 



Piclative Humidity 

 70% 



80% 



90% 



1 1 1 1 1 1 1 1 1 



East Central Section of 

 United States (35 -40 IT and E. of 100' ) 19 00- 19 12 

 15 ,^ 739,000 deaths, 



15 ^^^' 



\A.^rr77////// /////////////////////// , . 



Deaths In Relation to Temperature' 

 and Hiamidity, 



Figure 13. Climograph of the East Central United States 



