53 



Duration of cold in December, 1863, and January, 1864 — Continued. 



Place. 



December, ]863. 



Days of the month on 

 which the thermom- 

 eter was at zero or 

 lower. 





January, 1864. 



Days of the month on 

 which the thermom- 

 eter was at zero or 

 lower. 



NEW YORK — Cont'd. 



Garrison's 



Eochester, (Dewey). . 

 Rochester, (Mathews). 



Skaneateles 



Fort Ann 



South Hartford 



South Trenton 



Theresa 



Bufl[alo* 



Sackett's Harbor* . . . 



Fort Niagara* 



Charlotte* 



White Plains 



Schenectady 



Wilson 



Oneida 



Flatbush 



NEW JERSEY. 



Passaic Valley 



Progress 



Mount Holly . . 



Newark 



Haddonfield . . . 

 Burlington 



PENNSYLVANIA. 



Oil City ...: 



Nazareth 



Tioga 



Fleming 



Philadelphia 



Canonsburg 



Harrisburg, (Heiseley) 

 Harrisburg, (Hickok). 



Pittsburg 



Silver Spring 



Connelsville 



Byberry 



DELAWARE. 



Wilmino'ton 



MARYLAND. 



St. Mary's city. 



Sykesville 



Chestertown... 

 Bladensburg . . . 



None 



None 



None 



23 



2.5... 



10 



18, 25 



10, 23, 24, 25. 



None 



None 



None 



None 



None 



22, 23, 25. 

 None 



None 

 None 

 None 

 None 



None 



None . 



None , 



None , 



None 



None , 



None 



None 



None 



None 



None 



None 



None 

 None 

 None 



23 

 25 

 26 

 26 

 21 

 27 



(« 

 27 

 25 

 25 

 26 

 25 



27 

 27 

 24 



26 

 22 

 20 

 25 



21 

 24 

 24 

 23 

 17 

 21 

 18 

 17 

 21 

 22 



21 



146 



27 



17 



None . . 

 1, 2. .. 



1, 2. .. 



2, 7. .. 



3 



2, 7, 8. 



2, 4, 7, 20, 21 



None 



2, 7, 8, 9. 



1, 2 



None 



None 



None 

 None 

 None 

 None 

 None 



1, 2 



1, 2, 8, 9, 10, 11 



2 



None 



1, 2, 6, 7, 9 .... 



None 



None 



12 



2, 6, 7, 8, 9 



None 



None 

 None 

 None 

 None 



* Stations of the Lake Survey vinder the direction of Colonel Graham. 

 a Only nine days observed. h Last four days omitted. c No observation first three days. 



