Xll 



Meteorological Observations. 



Abstract of the Hesults of the Hourly Meteorological Observations 



taken at the Surveyor General' 's Office, Calcutta, 



in the month of February, 1857. 



Hourly Means, &c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 



Hour. 



3 

 H 



JO 



03 



> 

 o 



.0 



03 



"S 



Q 



£ 

 Q 



> 



o 



3S 



p 

 O 



to tf 



ight of Va- 

 n a cubic 

 Air. 



I Weight of 



required 



plete satu- 



ree of Hu- 



complete 



on being 





M 



= o 



g a 



ca 



a, 



| 



si 



o 



H S 1 



a? 



03 O 



S § § 



SSf B - 



.2 g. © § 



» >» rt • 



as "5 ctf 2 

 a? a ca S3 





§ 



Q 



o 



Q 



s 



§ 



< 



3 









o 



o 



o 



Inches. 



T.gr. 



T.gr. 





Mid- 

 night. 

 1 



66.6 



4.2 



64.5 



6.3 



0.607 



6.68 



1.52 



0.82 



66.2 



3.9 



64.2 



5.9 



.601 



.61 



.42 



.82 



2 



66.3 



3.4 



64.6 



5.1 



.609 



.71 



.22 



.85 



3 



65.8 



3.2 



64.2 



4.8 



.601 



.62 



.14 



.85 



4 



65.3 



3.1 



63.4 



5.0 



.586 



.46 



.16 



.85 



5 



64.8 



3.2 



62.9 



5.1 



.576 



.37 



.16 



.85 



6 



64.5 



3.0 



62.7 



4.8 



.572 



.33 



.09 



.85 



7 



64.2 



3.2 



62.3 



5.1 



.565 



.25 



.14 



.85 



8 



65.7 



4.3 



63.5 



6.5 



.588 



.46 



.54 



.81 



9 



67.6 



5.9 



64.6 



8.9 



.609 



.66 



2.24 



.75 



10 



68.3 



8.1 



64.2 



12.2 



.601 



.53 



3.19 



.67 



11 



68.4 



10.7 



63.0 



16.1 



.578 



.24 



4.29 



.59 



Noon. 



69.1 



12.4 



62.9 



18.6 



.576 



.19 



5.12 



.55 



1 



69.4 



14.0 



62.4 



21.0 



.567 



.06 



.90 



.51 



2 



69.4 



15.0 



61.9 



22.5 



.557 



5.94 



6.37 



.48 



3 



69.4 



15.3 



61.7 



23.0 



.554 



.91 



.51 



.48 



4 



69.2 



15.0 



61.7 



22.5 



.554 



.91 



.33 



.48 



5 



68.7 



13.9 



617 



20.9 



.554 



.93 



5.75 



.51 



6 



69.0 



10.5 



63.7 



15.8 



.591 



6.38 



4,28 



.60 



7 



68.3 



8.6 



64.0 



12.9 



.597 



.48 



3;38 



.66 



8 



68.1 



7.1 



64.5 



10.7 



.607 



.61 



2.76 



.71 



9 



67.7 



6.2 



64.6 



9.3 



.609 



.66 



.35 



.74 



10 



67.2 



5.4 



64.5 



8.1 



.607 



.65 



.01 



.77 



11 



67.0 



4.6 



64.7 



6.9 



.611 



.70 



1.70 



.80 



All the Hygrometrical elements are computed by the Greenwich constants. 



