STATION 72 



OBSERVED 



1 



9 

 18 



90 

 136 

 181 

 362 

 5^3 



O.l 



0.5 



INTERPOLATED 





 10 

 20 

 30 

 50 



75 

 100 



150 



200 

 250 

 300 



1+00 



500 



0.1 



0.5 



143 



