AGRICULTURAL EXPERIMENT STATION. 



157 



HYGROMETER NO. 3.— IN FOREST. 



1889. 1890. 1S91. 



April, 



7 A.M. 



81 



1 P.M. 



G2 



7 P.M. 



60 



7 A.M. 



78 



1 P.M. 



61 



7 P.M. 



69 



7 A.M. 



90 



1 P.M. 



73 



7 P.M. Mean 



77 7G 



May, 



S3 



63 



73 



87 



74 



81 



SG 



G8 



75 77 



June, 



89 



80 



si 



87 



77 



82 



88 



SI 



84 84 



July, 



94 



86 



91 



93 



85 



S3 



92 



80 



85 90 



August, 



91 



89 



93 



91 



SO 



84 



95 



SI 



88 8S 



September, 



90 



SS 



92 



90 



87 



92 



95 



81 



92 91 



October, 



9G 



90 



90 



96 



8G 



90 



92 



77 



86 89 



Mean results, 90 



SO 



85 



90 



7 'J 



83 



91 



77 



84 



HYGROMETER NO. 4. — IN FOREST. 

 1SS9. 1890. 1S91. 





7 A.M. 



1 P.M. 



7 P.M. 



7 A.M. 



1 P.M. 



7 P.M. 



7 A.M. 



1 P.M. 



7 P.M. 



Mean 



April, 



S3 



G5 



77 



79 



GO 



71 



91 



74 



82 



76 



May, 



89 



CG 



80 



88 



73 



S4 



S7 



G9 



78 



79 



June, 



92 



SI 



SG 



89 



77 



84 



90 



74 



82 



84 



July, 



93 



79 



87 



91 



79 



85 



93 



79 



86 



S6 



August, 



95 



8G 



91 



91 



7S 



85 



96 



78 



90 



8S 



September, 



9G 



83 



90 



97 



86 



92 



9G 



79 



92 



90 



October, 



9G 



80 



90 



94 



SO 



89 



92 



76 



S7 



87 



Mean results, 92 



77 



SG 90 



76 



84 92 



75 85 



84 



i P.M. 



7 P. M. 



Mean 



64 



75 



75 



62 



74 



73 



79 



84 



S4 



76 



85 



84 



Percentages oe Moisture, 

 results for 1889, 1890, and 1891, combined. 



7 A . M . 



Hygrometer No. 1, in open Held, 87 



u 2, " " " S4 



" kt 3, in forest, 90 



" 4, " " 91 



Regarding the mean results from hygrometers Nos. 1 and 2 as 

 indicating percentages for the open field, we have the following 

 summary of results : 



7 A. M. i P. M. 7 P. M. Mean 



Percentages of moisture, open field, S5 63 74 74 



Regarding the mean results from hygrometers No. 3 and 1 as 

 indicating percentages for forests only moderately dense, we have 

 the following summary results : 



7 A.M. i P. M. 7 P.M. Mean 



Percentages of moisture, forest, 90 78 S4 84 



