OBSERVATIONS ON SOILS. 



37 



OBSERVATIONS 



ON THE TEMPERATUKE ON THE SOIL, AT HOOSIC FALLS, RENSSELAER COUNTY, NEW-YORK. 



By L. C. Ball, Esq. 



These observations were made daily during the past summer. I have selected only the extremes of each half 

 month as reported. Temperature of the soil 4 inches below the surface. 



riRST HALF. 



Air. Soil 



SECOND HALF. 



Air. 



Soil. 



May. 



Highett,.. 

 Lowest, . 

 Mean, 



JVHE. 



Highest, . 

 Lowest, . 

 Mean, ... 



JtJLT. 



Highest, . 

 Lowest, . 

 Mean, . . . 



AUOCST. 



Highest, . 

 Lowest, . . 

 Mean, . . . 

 Septehbeb. 

 Highest,. 

 Lowest, . 

 Mean, . .  



85 

 58 

 724 



94 

 72 

 784 



100 

 55 



86 

 51 

 70? 



80 

 55 

 65j 



84 

 66 

 76 



87 

 71 



78i 



89 

 49 

 67 



91 

 54 

 ^^ 



101 

 72 

 85J 



100 

 70 

 80 



109 

 60 

 80| 



72 

 50 

 62 



78 

 52 

 67| 



90 

 72 

 80i 



81 

 63 



75 



82 

 63 

 72i 



64 

 50 



m 



Rots. — The observations were continued through October and a part of November, but being taken at the depth 

 of one foot, and a change also being made as to the position of the air thermometer, they are omitted, as they do 

 not correspond with those made in the preceding months. 



