CLIMATOLOGY OF NEW HAMPSHIRE. 



135 



the rise and fall of the barometer. The correspondence between the two 

 is very striking, especially during periods of great disturbance. 



-^. oj to M o vo oo-^a o\ 



AQUEOUS PRECIPITATION. 



The observations for one year give the amount of aqueous precipitation 

 as 5 5 inches, and it is confined mainly to summer and autumn, the entire 

 precipitation for winter and spring being given as only about eight inches, 

 leaving 47 inches for summer and autumn. There is no means of deter- 

 mining the actual amount of frost-work and snow, but we know that the 



