980 
Journal of Agricultural Research 
Vol. XXIII, No. 12 
60 ... 
SMAORA7YOA/ 
CO#l/ALL/S, OREGON 
50 .. 
AFP. -+- A/Ay -+- kJ6W£— 
/OO 
90 
Fig. 5.—Daily records of evaporation, precipitation, and temperature, 
Corvallis, Oreg., summer of 1920. 
