The Bulletin 13 



Weather Conditions During 1900-09, Inclusive. 



Besides soil, seed, fertilization, cultivation, and time of planting, 

 weather conditions, mainly the rainfall, iniluence the crop yield. In 

 the tables presented herewith will be found the monthly and annual 

 rainfall during the years covered by the experiments, the mean monthly 

 and annual rainfall, since 1868 and the same data for the months of 

 May to September, inclusive. During the growing months the rainfall 

 was below normal in all years except 1910 in the years 1903-04 and 1906 

 this average was approximately an inch or more per month, but for the 

 other three years 1905-'07 and '09 the deficiency of rainfall during the 

 growing season was only slight. The year 1905 was the only one in 

 the period which had a total rainfall below normal. 



