456 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



ARICA, CHILE 



Lat. 18°28' S. Long. 70°20' W. Hb 

 PRESSURE AT STATION LEVEL: COR. TO 

 GRAY. AT 45° LAT. 

 Means of J(7''+13''+18'') * 75th meridian W 

 1,000 nab. + 



:29 m. 



C. (32° r.) AND TO 



TEMPERATURE IN DEGREES C. ht = L50 m. 



Means of i(7'' + 18''+Max. + Min.) 



Date Jan. Feb. Mar. Apr. May June July Aug:. Sept. Oct. Nov. Dec. Mean 



1931 21.7 

 1932 



1933 21.2 



1934 22.2 

 1935 



1936 

 1937 

 1938 

 1939 

 1940 



21.8 



21.1 

 22.9 

 22.1 



Mean 21.8 



21.5 

 22.7 

 23.0 

 21.7 



21.9 

 21.5 



22.1 



21.6 

 21.7 

 21.5 

 21.4 



20.8 

 22.1 

 20.4 

 20.9 



19.8 

 19.6 

 19.4 

 19.4 

 19.2 



18.6 

 17.8 

 19.4 

 19.7 



17.2 



18.7 

 17.7 



16.6 



18.1 

 16.8 

 15.7 

 18.5 

 18.3 



16.2 

 17.5 

 16.5 



16.3 

 15.8 

 15.1 

 17.1 

 17.3 



15.3 15.6 16.6 

 16.8 16.3 16.6 

 15.3 15.2 16.2 



15.7 

 15.2 

 14.1 

 16.2 

 16.5 



15.5 

 15.3 

 13.8 

 16.4 

 16.5 



16.5 

 15.6 

 14.7 

 17.0 

 17.3 



18.6 

 17.3 

 17.2 



21.3 19.2 17.5 16.5 15.6 15.6 16.3 



17.9 

 16.6 

 16.5 

 18.2 

 18.9 



17.5 



18.1 

 18.1 



19.2 

 18.7 

 18.6 

 19.3 

 19.7 



20.1 

 20.0 



16.8 18.9 20.7 



21.0 

 21.3 

 19.9 

 20.6 

 21.6 



18.5 



17.6 

 19.0 

 19.2 



18.8 20.6 



TOTAL PRECIPITATION IN MILLIMETERS. hr = 1.50 m. 



