822 



Rain Falliay at Rothaimted 



Rainfall in incbes • 



Chlorine in lbs. per acre 



SEPT OCT NOV DEC, JAn 



Sept. 1, 1888-Aug. 31, 1892. 



Sept. 1, 1892-Aug. 31, 1896. 



SEPT OCT NOV DEC JAN FEB MAR APftlL MA^ 



JUNE 1 ■-■ '0 4 4 

 " JULV AUG. 



\ /v08 



Sept. 1, 1896^Aug. 31, 1900. Sept. 1, 1900-Aug. 31, 1904. 



Fig. 3. Monthly fluctuations in amounts of chlorine in rainwater: four year periods between 

 Sept. 1, 1888 and Aug. 31, 1916. 



