142 



MAINE STATE COLLEGE 



3 is located, but near which is a running brook except during the 

 driest part of the summer. 



Each hygrometer is about four feet above the surface of the 

 ground. Readings are taken three times daily, at 7 A. M., at 1 

 P. M-, and at 7 P. M., local time. 



Observations were commenced April 5, 1889 and they hav e 

 been continued through the growing seasons of 1889 and 1890. 



The monthly averages are given in the following tables on the 

 scale of 100. 



Percentage- of Moisture. 



HYGROMETER HO. 1. IX OPEN FIELD. 





155C-. 



1890. 



1589. 



1590. 



1559. 



1590. 







7 A.M. 



7 A.M. 



1P.M. 



1 P. M. 



7 P.M. 



7 P. M. 



Mean 



April. 



81 



74 



53 



50 



66 



58 



04 



May, 



84 



SI 



60 



62 



71 



74 



72 



June, 



88 



S3 



67 



72 



SI 



75 



7S 



July. 



85 



85 



05 



74 



75 



79 



77 



August. 



95 



00 



70 



63 



SO 



It 



79 



September, 



93 



93 



68 



70 



S3 



55 



S3 



October, 



94 



90 



60 



62 



79 



79 



75 



Mean results. 



89 



So 



64 



60 



70 



75 



70 





HYGROMETER HO. 2. — 



■I>~ OPEN 



FIELD. 









1889. 



1890. 



155a. 



1890. 



1559. 



1590. 







7 A.M. 



7 A.M. 



1P.M. 



IP. M. 



7 P. M. 



7P.M. 



Mean. 



April. 



75 



70 



52 



46 



65 



56 



61 



May. 



SO 



7S 



53 



61 



68 



74 



00 



June, 



84 



78 



66 



68 



74 



i a 



74 



July. 



79 



80 



60 



63 



69 



71 



70 



August. 



87 



SS 



67 



62 



75 



73 



75 



September. 



91 



91 



60 



67 



SI 



S3 



70 



October, 



93 



91 



66 



62 



SI 



79 



79 



Mean results. 



85 



82 



61 



61 



72 



73 



72 





HYGROMETER 



NO 3. 



EN FOEE5T. 









1S-S&. 



15&V. 



1889. 



15.:-:. 



1889. 



1890. 







7 A.M. 



"A.M. 



1 P. M. 



1 P. M. 



7 P.M. 



7 P. M. 



Mean. 



April, 



SI 



78 



62 



61 



69 



69 



70 



May. 



83 



87 



63 



74 



73 



51 



77 



June, 



89 



87 



SO 



77 



S4 



52 



S3 



July. 



94 



93 



86 



85 



91 



S3 



S9 



August. 



91 



94 



89 



80 



93 



84 



55 



September. 



96 



96 



88 



87 



92 



92 



92 



October. 



96 



96 



90 



86 



90 



90 



91 



Mean results. 



90 



90 



80 



79 



85 



83 



54 



