446 



Eighth Annual Report of the 



TABLE 



Extremes of Monthly and 

 Fort Columbus. Record 



Rochester. Record 



Warm months.. 



Cold months 



Warm months. . 



Cold months.... 



Warm months. . 



Cold months.. 



70 

 54 

 58 

 53 

 31, 76 



39 

 42 

 81 

 62 



47 



Potsdam. Record of 21 Years, 1828-1848, 



70 

 38 

 41 

 28 

 31 



S3 

 42 

 62 

 69 

 63 



Biirlinglon, Vt. Record 



84 

 70 

 83 

 88 

 76 



63 



57, 63 



69, 82 



61 



53 



49 



Extreme Ranges of Monthly 



• January, 1857, was the coldest month on record at Philadelphia and at New Bedford, Mass. 

 + The coldest July at Philadelphia since 1771. 



the 



