ECOLOGICAL CROSS SECTION OF THE MISSISSIPPI. 



129 



very general idea of the vegetation. Neithc 



used 



It is 



extremes 



monthly or seasonal averages are concerned, 

 so are of imoortancc. For this reason certain 



the data collected by 



Year 



TABLE A. 



c3 









o3 



7^ 



3 



< 





o 



o 





MONTHLY AND ANNUAL MEAN TEMPERATURES.* 





1873 









51 



65 



78 



78 



78 



67 



52 



42 



36 





1874 



35 



36 



43 



47 



69 



79 



81 



78 



70 



58 



44 



38 



56 



1875 



23 



26 



40 



51 



64 



72 



78 



73 



67 



54 



41 



44 



53 



1876 



41 



41 



40 



58 



67 



73 



79 



78 



67 



56 



42 



25 



66 



1877 



31 



42 



39 



55 



64 



74 



78 



76 



70 



61 



43 



48 



57 



1878 



36 



41 



54 



61 



64 



73 



82 



79 



69 



57 



47 



27 



57 



1879 



28 



34 



48 



55 



69 



74 



81 



76 



66 



64 



48 



35 



56 



1880 



47 



41 



43 



58 



70 



74 



78 



80 



68 



56 



33 



28 



56 



1881 



22 



31 



40 



52 



72 



76 



82 



84 



77 



62 



44 



42 



57 



1882 



34 



45 



47 



59 



60 



74 



75 



76 



70 



62 



45 



33 



57 



1883 



24 



31 



40 



57 



63 



73 



78 



75 



68 



57 



50 



41 



55 



1884 



26 



37 



44 



55 



65 



74 



79 



75 



75 



64 



47 



34 



56 



1885 



26 



27 



41 



57 



65 



75 



82 



76 



69 



57 



48 



39 



55 



1886 



26 



37 



45 



59 



69 



75 



81 



79 



72 



61 



46 



30 



57 



1887 



31 



41 



46 



61 



71 



77 



84 



79 



70 



54 



45 



32 



58 



1888 



25 



33 



41 



59 



63 



74 ' 



80 



75 



67 



55 



45 



38 



55 



1889 



35 



31 



47 



58 



64 



71 



78 



75 



67 



55 



41 



SO 



56 



1890 



39 



40 



39 



57 



64 



79 



80 



75 



65 



57 



49 



38 



57 



1891 



37 



36 



39 



59 



64 



76 



75 



75 



74 



58 



41 



43 



56 



1892 



26 



40 



40 



54 



63 



77 



77 



78 



70 



60 



42 



33 



55 



1893 



25 



31 



44 



57 



64 



75 



80 



76 



73 



59 



44 



36 



55 



1894 



36 



32 



51 



58 



66 



78 



79 



79 



71 



60 



42 



39 



58 



1895 



26 



25 



44 



60 



67 



77 



76 



78 



74 



54 



43 



37 



55 



1896 



35 



37 



41 



65 



73 



74 



79 



79 



68 



57 



46 



41 



58 



1897 



31 



37 



47 



56 



64 



75 



81 



77 



77 



66 



46 



33 



57 



1898 



37 



38 



47 



54 



67 



78 



78 



78 



74 



56 



43 



33 



57 



1899 



33 



24 



40 



58 



69 



77 



79 



81 



70 



64 



52 



33 



57 



1900 



37 



30 



43 



58 



69 



74 



79 



84 



74 



66 



47 



38 



58 



1901 



37 



31 



45 



54 



66 



81 



87 



80 



72 



62 



44 



30 



57 



1902 



32 



26 



47 



55 



72 



74 



80 



76 



66 



62 



53 



34 



57 



1903 



34 



34 



49 



57 



69 



70 



81 



77 



70 



59 



42 



30 



56 



1904 



28 



31 



45 



49 



65 



72 



76 



74 



71 



59 



48 



35 



54 



1905 



24 



23 



50 



56 



67 



76 



75 



78 



71 



56 



47 



35 



55 



1906 



37 



32 



34 



60 



67 



72 



77 



78 



73 



57 



44 



37 



56 



1907 



36 



34 



53 



47 



59 



71 



79 



77 



69 



56 



44 



38 



55 



* U. S. D. A. Weather Bureau. Annual Meteorological Summary, St, 

 Louis, 1907.— In these tables, the Fahrenheit scale is used.— Highest 

 and lowest temperatures in bold-face type. 



9 



