78: 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 79 



1879 

 1880 



1881 

 1882 

 1883 

 1884 

 1885 



1886 

 1887 

 1888 

 1889 

 1890 



1891 

 1892 

 1893 

 1894 

 1896 



1896 

 1897 

 1898 

 1899 

 1900 



1901 

 1902 

 1903 

 1904 

 1905 



1906 

 1907 

 1908 

 1909 

 1910 



1911 

 1912 

 1913 

 1914 



LEON, MEXICO 



Lat. 21° 7' N. Lon«. 101° 41' W. H„ = 1,809 m. 

 TEMPERATURE IN DEGREES C. 

 Means, hours of observation not given 



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



15.8 

 12.7 



14.2 

 14.9 



13.4 

 12.6 

 14.6 

 13.3 



14.0 

 13.8 

 14.0 

 13.0 

 13.7 



14.2 

 13.4 

 11.6 



12.7 



12.8 

 14.4 

 14.5 

 13.8 

 13 2 



14.1 

 14.1 

 14.4 

 13.9 



16.5 19.1 21 8 23.6 21.1 21.5 20.3 19.6 18.9 16.6 15.6 

 14.9 18.4 21.9 22.6 22.8 21.0 21.1 20.2 19.5 18.4 14.8 



17.7 



17.3 

 15.9 



17.0 

 16.5 

 16.1 

 15.1 



14.4 

 15.9 

 14.2 

 14.2 

 15.2 



14.7 

 15.2 

 15.5 



15.6 



13.6 

 15.6 

 17.1 

 15.3 

 15.2 



17.0 

 13.8 

 16.0 

 16.2 



18.1 22.1 



17.0 

 17.7 



17.9 

 18.0 

 17.3 

 18.1 



18.9 

 18.8 

 18.8 

 18.1 

 16.8 



17.2 

 18.1 

 17.7 



18.1 

 19.4 

 20.7 

 19.8 

 17.4 



19.2 

 20.3 

 18.7 



17.S 



21.4 

 21.6 



22.1 

 22.3 

 21.6 

 22.0 



22.5 

 21.9 

 20.6 

 20.6 

 19.7 



21.0 

 22.2 

 22.0 



15.1 19.7 



21.8 

 20.8 

 22.2 

 22.3 

 20.9 



21.3 

 22.5 

 20.5 

 20.1 



>1.8 24.0 



23.9 

 24.0 



24.1 

 22.5 

 23.7 

 22.5 



24.5 

 22.1 

 23.2 

 23.6 



23.3 

 23.5 

 22.4 



M'ns 139 15.6 18.3 21.5 



23.9 

 23.3 

 22.6 

 24.2 

 22.3 



21.6 

 23.4 

 22.5 

 22.0 



23,3 



23.6 



20.7 



23 S 

 21.4 

 23.9 

 22.4 



23 2 

 22.3 

 22.1 

 20.3 

 23.6 



24.4 

 23.8 

 22.1 



24.5 22.0 



23.3 

 23.1 

 22.7 

 23.4 

 22.0 



21.1 

 21.0 

 21.4 



22.1 

 21.1 



21.6 

 19.7 

 20.5 

 20.7 



22.3 



20.2 

 19.7 

 20.5 

 20.7 



21.3 

 19.7 

 20.8 



20.5 



21.7 

 20.8 

 20.0 

 21.5 

 20.0 



20.3 

 20.8 

 20.1 



20.5 



21.2 

 20.4 



20.2 

 20.3 

 20.3 



20.8 



21.2 

 20.5 

 19.2 

 20.2 

 19.4 



20.8 

 21.2 

 19.6 



21.0 



20.4 

 20.6 

 20.3 

 20.4 



20.7 



29.0 

 20.6 

 20.4 

 20.7 



20.4 17.8 



20.6 20.4 



22.4 21.0 20.9 



19.7 

 19.8 



19.1 

 20.0 

 19.9 

 20.4 



20.3 

 18.3 

 18.9 

 18.S 

 19.8 



19. S 

 19.9 

 19.6 



19.5 



19.6 

 19.6 

 20.0 

 19.1 



19.6 



20.5 

 19.6 

 19.7 

 19.5 



19.9 



17.5 

 17.6 



17.7 

 17.1 

 17.2 

 17.7 



18.7 

 18.8 

 16.7 

 18.0 

 18.7 



17.4 

 17.7 

 17.0 



1K.2 

 19.1 

 17.7 

 18.5 

 18.3 



18.9 

 18.8 

 18.1 

 18.9 



15.8 13.9 



17.0 

 14.6 



14.9 

 15.9 

 14.5 

 17.4 



16.5 

 16.2 

 16.0 

 14.8 

 15.9 



15.2 

 16.1 

 15.1 



19.7 18.4 



15.7 

 17.0 

 15.5 

 16.6 

 16.2 



17.7 

 14.7 

 16.2 

 16.4 



13.5 

 13.0 



14.0 

 12.8 

 13.8 

 13.7 



12.5 

 14.6 

 13.5 

 13.6 

 13.0 



12.5 

 13.5 

 13.7 



13.5 



13.6 

 13.2 

 14.9 

 13.9 

 13.4 



14.6 

 15.2 

 14.5 

 15.5 



18.3 162 13.8 



19.2 

 19.0 



19.1 



18.9 



19.0 

 18.4 



18.8 

 18.2 

 18.6 

 18.7 



19.1 

 18.6 

 18.1 

 18.0 

 18.2 



18.5 



18.7 

 18.1 



18.5 



18.6 

 18.9 

 19.0 

 19.1 

 18.3 



19.7 

 18.7 

 18.5 

 18.6 



18.S 



