xxv m 



Meteorological Observations. 



Abstract of the Results of the Sourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April, 1857. 



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

 dependent thereon. 



Hour. 



H 



"3 



CQ ^ 



c o 



"5 



> 

 O 



e3 



"3 



CQ 



"3 

 P 



-a 



a> 



"3 



a. 



Q 



> 

 O 



JS 



o 



o 

 o 



to 3 



03 o 



n Weight of Va- 

 )ur in a cubic 

 ot of Air. 



itional Weight of 

 apour required 

 r complete satu- 

 tion. 



n degree of flu- 

 idity, complete 

 turation being 

 tity. 





g a 



t» 



S 

 o 



&a» 



go 



S H»£ 





hi S uj jr; 





a 



Q 



O 



Q 



s 



S 



< 



S 









o 











Inches. 



T.gr. 



T.gr. 





Mid- 



75.2 



3.6 



73.4 



5.4 



0.811 



8.78 



1.66 



0.84 



night. 



















1 



74.9 



3.5 



73.1 



5.3 



.803 



.70 



.61 



.84 



2 



74.7 



3.4 



73.0 



5.1 



.801 



.67 



.55 



.85 



3 



74.2 



3.3 



72.5 



5.0 



.787 



.54 



.50 



.85 



4 



73.9 



3.0 



72.4 



4.5 



.785 



.51 



.35 



.86 



5 



74.1 



2.8 



72.7 



4.2 



.792 



.61 



.25 



.87 



6 



73.9 



2.8 



72.5 



4.2 



.787 



.56 



.24 



.87 



7 



74.6 



3.1 



73.0 



4.7 



.801 



.67 



,43 



.86 



8 



75.9 



4.7 



73.5 



7.1 



.814 



.78 



2.23 



.80 



9 



76.8 



. 6.8 



73.4 



10.2 



.811 



.69 



3.34 



.72 



10 



77.6 



8.3 



73.4 



12.5 



.811 



.64 



4.23 



.67 



11 



78.1 



10.3 



72.9 



15.5 



.797 



.45 



5.39 



.61 



Noon. 



78.2 



11.7 



72.3 



17.6 



.783 



.27 



6.19 



.57 



1 



79.0 



12.4 



72.8 



18.6 



.795 



.38 



.72 



.56 



2 



79.1 



13.2 



72.5 



19.8 



.787 



.28 



7.22 



.53 



3 



78.5 



13.8 



71.6 



20.7 



.766 



.05 



.45 



.52 



4 



78.3 



13.1 



71.7 



19.7 



.768 



.09 



.01 



.54 



5 



78.3 



11.0 



72.8 



16.5 



.795 



.41 



5.80 



.59 



6 



77.9 



8.0 



73.9 



12.0 



.824 



.79 



4.08 



.68 



7 



76.5 



6.9 



73.0 



10.4 



.801 



.58 



3.38 



.72 



8 



75.9 



5.8 



73.0 



8.7 



.801 



.60 



2.77 



.76 



9 



75.1 



5.0 



72.6 



7.5 



.790 



.52 



.32 



.79 



10 



74.7 



4.4 



*2.5 



6.6 



.787 



.51 



.02 



.81 



11 



74.2 



4.3 



72.0 



6.5 



.776 



.38 



1.97 



.81 



All the Hygrometrical elements are computed by the Greenwich constants. 



