MICHIGAN ACADIiJMY OF SCIENCE. 



877 



TABLE No. 3 



"Weather Summaries, Douglas Lake. Michigan 

 (°F, precipitation in inches) 



July. 1912 



August. 1912 



July. 1913 



August. 1913 



July. 1914 



August. 1914 



July. 1915 



August. 1915 



July, 1916 102 



August, 1916 



July. 1917 104 



August, 1917 



July. 1918 



August, 1918 



July 



August 



TABLE No. 4 

 Table showing Average Maxima by weekly periods, (degrees F.) 



1912 







1 88 



2 83 



3 75 



4 72 



5 68 



6 72 



7 70 



8 66 



1913 



1914 



1915 



1916 



1917 



1918 



TABLE No. 5 

 Table showing Average Minima by weekly periods, (degrees F.) 



