Climate of Middle Illinois. 



27 



Table 8. 



NUMBER OF OBSERVATIONS OF STRONG WINDS MORE THAN 



TWENTY-FIVE MILES AN HOUR. 



December, 1855 to November, 1885. 



One Per Cent, of All Observations (32,765). 



Table 9. 

 MEAN TEMPERATURE COINCIDENT WITH CERTAIN WINDS. 



December, 1865 to November, 1885. 



December 22.2 



January 16.6 



February ! 22.7 



March 34.4 



West. 



April 50, 



May ' 59, 



June 72 , 



July 79, 



August 76 , 



September i 66 



Obtober 49, 



November 34, 



Wir.ter 20.3 



Spring 46.9 



Summer 76.3 



Fall 46.9 



Year 



45.4 



East. 



29.8 



24.9 



29.8 



36.5 



50.3 



63.4 



72.4 



77 



74.4 



66.5 



55.7 



42.7 



28.2 

 51.6 

 74.9 

 .56.6 



55.8 



North 

 West. 



25.3 



21.7 



23.6 



33.3 



45.2 



57.1 



67 



75.9 



74.9 



61.9 



48 



34.9 



23.6 

 42.3 



72.8 

 46.2 



42.2 



