330 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



OAXACA, MEXICO 



Lat. 16°4' N. Long. 96°43' W. Hb = 1,563 m. 



PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of J (7" +14" +21"), 90th meridian W. 



600 mm. + 



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



1931 33.9 33.0 



1932 34.2 33.6 



1933 33.9 34.0 



1934 34.6 34.9 



1935 34.5 34.5 



1936 33.1 33.0 



1937 S3. 3 33.7 



1938 33.8 34.3 



1939 33.9 33.6 



1940 34.5 33.7 



Mean 34.0 33.8 33.2 32.8 32.9 32.9 33.6 33.3 32.9 33.5 34.2 34.1 33.4 



TEMPERATURE IN DEGREES C. 



Means of J(7'' + 14'^+21'') 



TOTAL PRECIPITATION IN MILLIMETERS 



