INFLUENCE OF THE SEASONS. 



133 



convenient. The observations were made four times a day, at 

 sunrise, 9 A. M., 8 and 9 P. U. The latitude being 42° 22' 

 48", the longitude 71° 1'. 



The mean temperature and the rain at Amherst, during the 

 growing months of 1850, was as follows : — 



Temperatuve. 



Faiir. 



March, 25°.S8 



April, 4G°.44 



May, 55°.5S 



June, G8°.GG 



July, 72°.93 



August, 66°.19 



September, .... 60°.79 



Amount of Rain. 



Average of 

 18 rears. 



JNlarch, 

 April, . 

 May, . 

 June, . 

 July, . 

 August, 

 September, 



Inches. 



. 1.118 



. 2.510 



. 5.313 



. 1.920 



. 1.955 



. 12.132 



. 3.472 



Inches. 



3.05 

 3.27 

 3.91 

 3.22 

 4.05 

 4.40 

 3.26 



The first of these places represents the eastern section of the 

 State, the second, the western ; and observations made at Boston, 

 at Bradford, at Salem and elsewhere in the eastern part, do not 

 materially aiifcr froxii those at Cambridge, wiiile the observa- 



